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www.murata-ps.com www.murata-ps.com/support for full details go to www.murata-ps.com/rohs $ f1 external dc power source reference and error ampli?er -vout (4) +vout (8) trim (6) on/off control (2) -vin (3) open = on +vin (1) logic) controller and power barrier figure 1. connection diagram typical topology is shown. murata power solutions recommends an external fuse. uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 1 of 35 features ? synchronous recti? cation yields high ef? ciency over 90% ? 36 to 75 vdc input range (48v nominal) ? outstanding thermal performance and derating ? low pro? le 0.42" height with 0.9" x 2.3" outline dimensions ? fully isolated, 2250 vdc (basic) insulation ? industry standard dosa eighth-brick pinout and package and surface mount (smt) option ? extensive self-protection and short circuit features ? on/off control, trim and sense functions ? fully protected against temperature and voltage limits ? rohs-6 compliant ? ul/iec 60950-1 and can/csa c22.2 no. 60950-1, 2nd edition safety approvals ? monotonic startup into normal and pre-biased loads units are offered with a ? xed output voltage and current up to 45 amps. uees operate over a wide temperature range (up to +85 degrees celsius at moderate air? ow) with full rated power. synchro- nous recti? er topology yields excellent ef? ciency. uees achieve these impressive mechanical and environmental specs while delivering excellent electrical performance in an industry standard dosa compatible through-hole package or surface mount option. the unit is fully protected against input undervoltage, output overcurrent and short circuit. an on-board temperature sensor shuts down the converter if thermal limits are reached and automatically restarts the converter when the fault is removed. an on/off control input enables phased startup and shutdown in multi-voltage applications. uees include a sense input to correct for ohmic losses. a trim input may be connected to a users adjustment potentiometer or trim resistors for output voltage calibration. uees include industry-standard safety certi? - cations and basic i/o insulation provides input/ output isolation to 2250v. radiation and conducted emission testing is performed to widely accepted emc standards. product overview typical units for ef? cient, fully isolated dc power in the smallest space, the uee open frame dc-dc converter series ? t in industry-standard eighth brick outline dimensions and mounting pins (on quarter-brick pinout) or surface mount option. output (v) current (a) nominal input (v) 3.3 45 48 53048 12 12.5 48 typical units fo r op e b r i or
www.murata-ps.com/support part number structure ? special quantity order is required; samples available with standard pin length only. ? smt (m) versions not available in sample quantities. ? some model number combinations may not be available. see website or contact your local murata sales representative. uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 2 of 35 maximum rated output current in amps eighth-brick package output con? guration: u = unipolar/single nominal output voltage u ee - / d48 - 3.3 45 input voltage range: d48 = 36-75v, 48v nominal performance specifications summary and ordering guide model family output input ef? ciency dimensions v out (v) i out (a) power (w) ripple & noise (mvp-p) regulation (max.) v in nom. (v) range (v) i in, no load (ma) i in, full load (a) typ. max. line load min. typ. inches millimeters uee-3.3/45-d48 3.3 45.5 150 45 80 0.1% 0.25% 48 36-75 80 3.4 91% 92% 2.3 x 0.9 x 0.42 58.42 x 22.9 x 10.7 uee-5/30-d48 5 30 150 50 80 0.1% 0.1% 48 36-75 100 3.4 91% 92% 2.3 x 0.9 x 0.42 58.42 x 22.9 x 10.7 uee-12/12.5-d48 12 12.5 150 100 150 0.1% 0.25% 48 36-75 120 3.36 92% 93% 2.3 x 0.9 x 0.42 58.42 x 22.9 x 10.7 ? please refer to the model number structure for additional ordering part numbers and options. ? all speci? cations are typical unless noted. general conditions for speci? cations are +25 deg.c, vin=nominal, vout=nominal (no trim installed), full rated load. adequate air? ow must be supplied for extended testing under power. all models are tested and speci? ed with external 1f and 10 f paralleled output capacitors and no external input capacitor. all capacitors are low esr types. caps are layout dependent. these capacitors are necessary to accommodate our test equipment and may not be required in your applications. all models are stable and regulate within spec under no-load conditions. h conformal coating (optional) blank = no coating, standard h = coating added, optional, special quantity order (not available on smt models) c - rohs hazardous materials compliance c = rohs6 (does not claim eu rohs exemption 7bClead in solder), standard n on/off control logic n = negative logic, standard p = positive logic, optional b baseplate (optional, not available on smt models) blank = no baseplate, standard b = baseplate installed, optional, special quantity order lx pin length option (through-hole packages only) blank = standard pin length 0.180 inches (4.6mm) l1 = pin length 0.110 inches (2.79mm) ? l2 = pin length 0.145 inches (3.68mm) ? m surface mount (smt models cannot accept the baseplate) blank = thru-hole pin mount, no smt m = surface mount (msl rating 2a) ?
www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 3 of 35 functional specifications, uee-3.3/45-d48 absolute maximum ratings conditions ? minimum typical/nominal maximum units input voltage, continuous 0 80 vdc input voltage, transient 100 ms max. duration 100 vdc isolation voltage input to output, continuous 2250 vdc on/off remote control power on, referred to -vin 0 15 vdc output power 0 151.65 w output current current-limited, no damage, short-circuit protected 0 45.5 a storage temperature range vin = zero (no power) -55 125 c absolute maximums are stress ratings. exposure of devices to greater than any of these conditions may adversely affect long-ter m reliability. proper operation under conditions other than those listed in the performance/functional speci? cations table is not implied or recommended. input conditions ? ? operating voltage range 36 48 75 vdc recommended external fuse fast blow 10 a start-up threshold rising input voltage 33.5 34.5 35.5 vdc undervoltage shutdown falling input voltage 32 33 34 vdc overvoltage shutdown none vdc internal filter type pi input current full load conditions vin = nominal 3.4 3.51 a low line input current vin = minimum 4.63 4.79 a inrush transient 0.05 0.1 a 2 -sec. short circuit input current 300 500 ma no load iout = minimum, unit = on 80 120 ma shut-down input current (off, uv, ot) 710ma re? ected (back) ripple current ? measured at input with speci? ed ? lter 20 40 ma, p-p pre-biased startup external output voltage < vset monotonic general and safety ef? ciency vin = 48v, full load 91 92 % isolation isolation voltage input to output, continuous 2250 vdc isolation voltage input to baseplate, continuous 1500 vdc isolation voltage output to baseplate, continuous 1500 vdc insulation safety rating basic isolation resistance 10 m isolation capacitance 1000 pf safety certi? ed to ul-60950-1, csa-c22.2 no.60950-1, iec 60950-1, 2nd edition yes calculated mtbf per telcordia sr-332, issue 1, class 1, ground ? xed, tcase = +25c 2.5 hours x 10 6 dynamic characteristics fixed switching frequency 400 khz startup time 610ms rise time 15 25 ms dynamic load response 50-75-50% load step, settling time to within 1% of vout 2500 3000 sec dynamic load peak deviation same as above 250 350 mv features and options remote on/off control ? n suf? x: negative logic, on state on = ground pin or external voltage -0.1 0.8 vdc negative logic, off state off = pin open or external voltage 2.5 15 vdc control current open collector/drain 0.2 1 ma p suf? x: positive logic, on state on = pin open or external voltage 2.5 15 v positive logic, off state off = ground pin or external voltage 0 1 v control current open collector/drain 0.2 1 ma remote sense sense connected to load 10 % base plate "b" suf? x optional smt mounting "m" suf? x optional
www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 4 of 35 output conditions ? minimum typical/nominal maximum units total output power see derating 150.15 151.65 w voltage nominal output voltage no trim 3.267 3.3 3.333 vdc setting accuracy at 50% load, no trim -1 1 % of vnom output voltage range user-adjustable -20 10 % of vnom. overvoltage protection via magnetic feedback 4.3 6.3 vdc current output current range 0 45.5 45.5 a current limit inception 10% of vnom., after warmup 52 60 70 a short circuit short circuit current hiccup technique, autorecovery within 1.25% of vout 48a short circuit duration (remove short for recovery) output shorted to ground, no damage continuous short circuit protection method current limiting yes regulation line regulation vin = min. to max., vout = nom., iout = nom. 0.1 % of vout load regulation iout = min. to max., 0.25 % of vout ripple and noise ? 5 hz- 20 mhz bw 45 80 mv pk-pk temperature coef? cient at all outputs 0.008 0.02 % of vout./c maximum capacitive loading low esr, resistive load only 20000 f mechanical (through hole models) outline dimensions 2.3 x 0.9 x 0.42 inches (please refer to outline drawing) l x w x h 58.42 x 22.9 x 10.7 mm weight no baseplate 0.88 ounces 25 grams with baseplate 1.3 ounces 37 grams through hole pin diameter 0.04 & 0.062 inches 1.016 & 1.575 mm through hole pin material copper alloy th pin plating metal and thickness nickel subplate 100-299 -inches gold overplate 10-31 -inches environmental operating ambient temperature range with derating -40 85 c operating case temperature range no derating. -40 115 c storage temperature vin = zero (no power) -55 125 c thermal protection/shutdown measured in center 115 125 130 c electromagnetic interference external ? lter is required conducted, en55022/cispr22 a class rohs rating rohs-6 functional specifications, uee-3.3/45-d48 (cont.) notes ? unless otherwise noted, all speci? cations are at nominal input voltage, nominal output voltage and full load. general conditions are +25? celsius ambient temperature, near sea level altitude, natural convec- tion air? ow. all models are tested and speci? ed with external parallel 1 f and 10 f multi-layer ceramic output capacitors. a 220f external input capacitor is used. all capacitors are low-esr types wired close to the converter. ? input (back) ripple current is tested and speci? ed over 5 hz to 20 mhz bandwidth. input ? ltering is cbus=220 f, cin=33 f and lbus=12 h. ? all models are stable and regulate to speci? cation under no load. ? the remote on/off control is referred to -vin. for external transistor control, use open collector logic or equivalent. ? noticeplease use only this customer data sheet as product documentation when laying out your printed circuit boards and applying this product into your application. do not use other materials as of? cial documentation such as advertisements, product announcements, or website graphics. we strive to have all technical data in this customer data sheet highly accurate and complete. this cus- tomer data sheet is revision-controlled and dated. the latest customer data sheet revision is normally on our website (www.murata-ps.com) for products which are fully released to manufacturing. please be especially careful using any data sheets labeled preliminary since data may change without notice. the pinout (pxx) and case (cxx) designations (typically p32 or c56) refer to a generic family of closely related information. it may not be a single pinout or unique case outline. please be aware of small details which may affect your application and pc board layouts. study the mechanical outline drawings, input/output connection t able and all footnotes very carefully. please contact murata power solutions if you have any questions.
www.murata-ps.com/support typical performance data and oscillograms, uee-3.3/45-d48 step load transient response (vin=48v, vout=nom, cload= 1uf || 10uf, iout=50 to 75 to 50% of full load, ta=+25c) ch1=vout, ch2=iout. step load transient response (vin=48v, vout=nom, cload=1uf || 10uf, iout=50% to 75% of full load, ta=+25c) ch1=vout, ch2=iout step load transient response (vin=48v, vout=nom, cload=1uf || 10uf, iout=75% to 50% of full load, ta=+25c) ch1=vout, ch2=iout ef? ciency and power dissipation @ 25c 74 78 76 72 82 80 84 86 88 90 94 92 96 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 0 4 8 6 2 10 14 20 18 16 12 24 22 load current (a) ef?ciency (%) loss vin = 36v vin = 48v vin = 75v dissipation @24v uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 5 of 35
www.murata-ps.com/support typical performance data and oscillograms, uee-3.3/45-d48 output ripple and noise (vin=48v, vout=nom, iout=45.5a, cload= 1uf || 10uf, ta=+25c, scopebw=20mhz) output ripple and noise (vin=48v, vout=nom, iout=0a, cload= 1uf || 10uf, ta=+25c, scopebw=20mhz) vin start up delay(vin=48v, vout=nom, iout=45.5a, cload=20000uf, ta=+25c) ch2= vout, ch1=enable. enable start up delay (vin=48v, vout=nom, iout=45.5a, cload=20000uf, ta=+25c) ch2= vout, ch4=enable. uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 6 of 35
www.murata-ps.com/support typical performance data and oscillograms, uee-3.3/45-d48 0 5 10 15 20 25 30 35 40 45 50 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) maximum current temperature derating at sea level (vin = 48v, with baseplate. air? ow direction is longitudinal from vin to vout.) 0 5 10 15 20 25 30 35 40 45 50 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) maximum current temperature derating at sea level (vin = 75v, with baseplate. air? ow direction is longitudinal from vin to vout.) 0 5 10 15 20 25 30 35 40 45 50 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) maximum current temperature derating at sea level (vin = 36v, with baseplate. air? ow direction is longitudinal from vin to vout.) 0 5 10 15 20 25 30 35 40 45 50 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) maximum current temperature derating at sea level (vin = 48v, with baseplate. air? ow direction is transverse from -vin to +vin.) 0 5 10 15 20 25 30 35 40 45 50 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) maximum current temperature derating at sea level (vin = 75v, with baseplate. air? ow direction is transverse from -vin to +vin.) 0 5 10 15 20 25 30 35 40 45 50 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) maximum current temperature derating at sea level (vin = 36v, with baseplate. air? ow direction is transverse from -vin to +vin.) uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 7 of 35
www.murata-ps.com/support typical performance data and oscillograms, uee-3.3/45-d48 0 5 10 15 20 25 30 35 40 45 50 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) maximum current temperature derating at sea level (vin = 48v, without baseplate. air? ow direction is longitudinal from vin to vout.) 0 5 10 15 20 25 30 35 40 45 50 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) maximum current temperature derating at sea level (vin = 75v, without baseplate. air? ow direction is longitudinal from vin to vout.) 0 5 10 15 20 25 30 35 40 45 50 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) maximum current temperature derating at sea level (vin = 36v, without baseplate. air? ow direction is longitudinal from vin to vout.) 0 5 10 15 20 25 30 35 40 45 50 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) maximum current temperature derating at sea level (vin = 48v, without baseplate. air? ow direction is transverse from -vin to +vin.) 0 5 10 15 20 25 30 35 40 45 50 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) maximum current temperature derating at sea level (vin = 75v, without baseplate. air? ow direction is transverse from -vin to +vin.) 0 5 10 15 20 25 30 35 40 45 50 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) maximum current temperature derating at sea level (vin = 36v, without baseplate. air? ow direction is transverse from -vin to +vin.) uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 8 of 35
www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 9 of 35 emissions performance, model uee-3.3/45-d48 murata power solutions measures its products for radio frequency emissions against the en 55022 and cispr 22 standards. passive resistance loads are employed and the output is set to the maximum voltage. if you set up your own emissions testing, make sure the output load is rated at continuous power while doing the tests. the recommended external input and output capacitors (if required) are included. please refer to the fundamental switching frequency. all of this information is listed in the product speci? cations. an external discrete ? lter is installed and the circuit diagram is shown below. [1] conducted emissions parts list [2] conducted emissions test equipment used spectrum analyzer C hewlett packard hp8594l line impedance stabilization network (lisn) C 2 line v-networks ls1-15v, 50 , 50 h [3] conducted emissions test results [4] layout recommendations most applications can use the ? ltering which is already installed inside the converter or with the addition of the recommended external capacitors. for greater emissions suppression, consider additional ? lter components and/or shielding. emissions performance will depend on the users pc board layout, the chassis shielding environment and choice of external components. please refer to application note gean02 for further discussion. since many factors affect both the amplitude and spectra of emissions, we recommend using an engineer who is experienced at emissions suppression. designation value part number description vendor c1 1 f grm32er72a105ka01l smd ceramic, 100v, 1000nf, x7r-1210 murata c2 100 nf grm319r72a104ka01d smd ceramic, 100v, 100nf 10%, x7r-1206 murata l1 1320 h lb16h1324 common mode choke, 1320 h, 25%, 4a, r5k, *21*21*12.5mm high light c4, c5 0.022 f grm32dr73a223kw01l smd ceramic, 1000v, 0.022 f, 10%, x7r-1210 murata c3 220 f uhe2a221mhd alum. electrolytic, 100v, 220 f, 10%, long lead nichicon c6 not used not used for this model c1 l1 c2 c3 c4 c5 dc/dc c6 + + -48v rtn gnd vcc gnd load figure 2. conducted emissions test circuit graph 1. conducted emissions performance, positive line, cispr 22, class a, 48 vin, full load [4 ] ] ] ] la la la la yo yo ut ut ut r r r ec ec c om om me me me nd nd nd at at at io io io ns ns ns o o mo o st st st s a a a a a pp pp pp pp pp li li li l li ca ca ca ca a ti ti ti ti ti on on on n on n s s s s s ca ca ca c ca a n n n n n us us us s e e e th th th th e e e ? ? ? ? lt lt lt er er er in in in g g g wh wh wh ic ic ic h h h is is is a a a lr lr lr r ea ea ea a dy dy dy y i i i ns ns ns ta ta ta ta ll ll ll ed ed ed e i i i ns ns ns id id id e e e th th th e e e c c co nv nv nv nv er er er er ter or o o w it t t h th h h e ad ad ad a a a a ad di d d di di d d ti i i ti ti i t i on on n on on on o n o o o o o o f f f f f f f f f th th th h e e e e re re re e co o co co co mm mm mm mm en en en n de e de de d d d d d d ex e e ex ex e te e e te te e rn n rn rn r n al a a al al al c c c c c c ap ap ap ap ap p ac ac ac a it it it t or or or o s. . . s s f f f f or or or g gr ea te e e e r r r em m m em em m m em is is s is si si s si on o on n on s s s s su s s su u su pp p p p pp p p pp re e e ss s s io o o n, n n consider addi ti t t on al a a ? l te e r co co mp mp mp onents a n n nd /o r s s sh ie ie ie ld ld d d in i in i g. e e e i mi ss s s i io ns s s p er e e f fo fo f rm rm rm an ce c c w il il il l l l de d d de pe d d nd on h th h th t e e e us s s er r s s s p p p p p c c c c b b b bo ar d d d d l a la a yo ut , t t th e e e e ch ch ch ch as as as si si si s s s s sh sh sh ie ie ie e ld ld ld in in in n g g g en en en e vi vi vi v ro ro ro o nm nm nm nm en en en e t t t an an an d d d ch ch ch oi oi oi ce ce ce o o o f f f ex ex ex e x x te te te e rn rn rn al al al c c c om om om om po po po ne ne ne nt nt nt s. s s p p p le le le as as as s e e re re re e e fe fe fe e fe r r r r to to to to a a pp pp pp p li li ca ca ti ti ti t on n n on n n n ot ot ot t e e ge ge ge ge an an an an 02 02 02 0 f f or or f f ur ur th th th er er d d d is is is i cu cu cu ss ss s s s ss s io io io o n. n. n. si si s si nc nc nc e e ma ma m ny ny f f f f ac ac c to to o o to o rs rs a a ff ff ff f ec ec c t t t bo bo bo th th th t t t he he he a a mp mp m m li li li tu u u tu u de de de d a a a a a a nd nd nd nd n nd nd nd s s s s pe pe ct ct ra ra r o o o f f f em em is is is s s s si si si s s si si on o on on on o o s, s s, s, s, w w w w w e e r re co co mm m m m m m m en n n d us in g g g g g g g g an a a a a a e e e ng ng ng g in n n ee ee e e e e e e r r r wh w w h h o i s e xp x x p p er e e e ie e e nc n n nc nc ed ed ed d d d d d a a a t t t t em em em m is i si s s s si s s on on on on on s s s s su su su s s pp pp pp pp pp pp pp re re re e ss ss ss ss io o o n n n n . graph 2. conducted emissions performance, negative line, cispr 22, class a, 48 vin, full load
www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 10 of 35 functional specifications, uee-5/30-d48 absolute maximum ratings conditions ? minimum typical/nominal maximum units input voltage, continuous 0 80 vdc input voltage, transient 100 ms max. duration 100 vdc isolation voltage input to output, continuous 2250 vdc on/off remote control power on, referred to -vin 0 15 vdc output power 0 151.5 w output current current-limited, no damage, short-circuit protected 030a storage temperature range vin = zero (no power) -55 125 c absolute maximums are stress ratings. exposure of devices to greater than any of these conditions may adversely affect long-ter m reliability. proper operation under conditions other than those listed in the performance/functional speci? cations table is not implied or recommended. input conditions ? ? operating voltage range 36 48 75 vdc recommended external fuse fast blow 10 a start-up threshold rising input voltage 33 34 35 vdc undervoltage shutdown falling input voltage 32 33 34 vdc overvoltage shutdown none vdc internal filter type pi input current full load conditions vin = nominal 3.4 3.51 a low line input current vin = minimum 4.58 4.73 a inrush transient 0.5 a 2 -sec. short circuit input current 150 ma no load iout = minimum, unit = on 100 120 ma shut-down input current (off, uv, ot) 610ma re? ected (back) ripple current ? measured at input with speci? ed ? lter 50 ma, p-p pre-biased startup external output voltage < vset monotonic general and safety ef? ciency vin = 48v, full load 91 92 % isolation isolation voltage input to output, continuous 2250 vdc isolation voltage input to baseplate, continuous 1500 vdc isolation voltage output to baseplate, continuous 1500 vdc insulation safety rating basic isolation resistance 10 m isolation capacitance 1000 pf safety certi? ed to ul-60950-1, csa-c22.2 no.60950-1, iec 60950-1, 2nd edition yes calculated mtbf per telcordia sr-332, issue 1, class 1, ground ? xed, tcase = +25c 2.5 hours x 10 6 dynamic characteristics fixed switching frequency 400 khz startup time 510ms rise time 815ms dynamic load response 50-75-50% load step, settling time to within 1% of vout 2000 2500 sec dynamic load peak deviation same as above 300 450 mv features and options remote on/off control ? n suf? x: negative logic, on state on = ground pin or external voltage -0.1 0.8 vdc negative logic, off state off = pin open or external voltage 2.5 15 vdc control current open collector/drain 1 2 ma p suf? x: positive logic, on state on = pin open or external voltage 3.5 15 v positive logic, off state off = ground pin or external voltage 0 1 v control current open collector/drain 1 2 ma remote sense sense connected to load 10 % base plate "b" suf? x optional smt mounting "m" suf? x optional
www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 11 of 35 output conditions ? minimum typical/nominal maximum units total output power see derating 150 151.5 w voltage nominal output voltage no trim 4.95 5 5.05 vdc setting accuracy at 50% load, no trim -1 1 % of vnom output voltage range user-adjustable -20 10 % of vnom. overvoltage protection via magnetic feedback 6.5 7.5 vdc current output current range 03030a current limit inception 10% of vnom., after warmup 35 40 45 a short circuit short circuit current hiccup technique, autorecovery within 1.25% of vout 34a short circuit duration (remove short for recovery) output shorted to ground, no damage continuous short circuit protection method current limiting yes regulation line regulation vin = min. to max., vout = nom., iout = nom. 0.1 % of vout load regulation iout = min. to max., vin = 48v 0.1 % of vout ripple and noise ? 5 hz- 20 mhz bw 50 80 mv pk-pk temperature coef? cient at all outputs 0.02 % of vout./c maximum capacitive loading low esr 220 10000 f mechanical (through hole models) outline dimensions 2.3 x 0.9 x 0.42 inches (please refer to outline drawing) l x w x h 58.42 x 22.9 x 10.7 mm weight no baseplate 1.09 ounces 31 grams with baseplate tbd ounces tbd grams through hole pin diameter 0.04 & 0.062 inches 1.016 & 1.575 mm through hole pin material copper alloy th pin plating metal and thickness nickel subplate 100-299 -inches gold overplate 10-31 -inches environmental operating ambient temperature range with derating -40 85 c operating case temperature range no derating. -40 115 c storage temperature vin = zero (no power) -55 125 c thermal protection/shutdown measured in center 115 125 130 c electromagnetic interference external ? lter is required conducted, en55022/cispr22 a class rohs rating rohs-6 functional specifications, uee-5/30-d48 (cont.) notes ? unless otherwise noted, all speci? cations are at nominal input voltage, nominal output voltage and full load. general conditions are +25? celsius ambient temperature, near sea level altitude, natural convec- tion air? ow. all models are tested and speci? ed with external parallel 1 f and 10 f multi-layer ceramic output capacitors. a 220f external input capacitor is used. all capacitors are low-esr types wired close to the converter. ? input (back) ripple current is tested and speci? ed over 5 hz to 20 mhz bandwidth. input ? ltering is cbus=220 f, cin=33 f and lbus=12 h. ? all models are stable and regulate to speci? cation under no load. ? the remote on/off control is referred to -vin. for external transistor control, use open collector logic or equivalent. ? noticeplease use only this customer data sheet as product documentation when laying out your printed circuit boards and applying this product into your application. do not use other materials as of? cial documentation such as advertisements, product announcements, or website graphics. we strive to have all technical data in this customer data sheet highly accurate and complete. this cus- tomer data sheet is revision-controlled and dated. the latest customer data sheet revision is normally on our website (www.murata-ps.com) for products which are fully released to manufacturing. please be especially careful using any data sheets labeled preliminary since data may change without notice. the pinout (pxx) and case (cxx) designations (typically p32 or c56) refer to a generic family of closely related information. it may not be a single pinout or unique case outline. please be aware of small details which may affect your application and pc board layouts. study the mechanical outline drawings, input/output connection t able and all footnotes very carefully. please contact murata power solutions if you have any questions.
www.murata-ps.com/support typical performance data and oscillograms, uee-5/30-d48 0 10203040 70 75 80 85 90 95 100 load current (a) ef?ciency (%) vin = 75v vin = 48v vin = 36v 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 48v, no baseplate. air? ow direction is longitudinal from -vin to +vin.) 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 36v, no baseplate. air? ow direction is longitudinal from -vin to +vin.) 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 48v, no baseplate. air? ow direction is transverse from -vin to +vin.) 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 36v, no baseplate. air? ow direction is transverse from -vin to +vin.) ef? ciency vs. line voltage and load current @ +25c uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 12 of 35
www.murata-ps.com/support typical performance data and oscillograms, uee-5/30-d48 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 48v, with baseplate. air? ow direction is transverse from -vin to +vin.) 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 75v, with baseplate. air? ow direction is transverse from -vin to +vin.) 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 36v, with baseplate. air? ow direction is transverse from -vin to +vin.) maximum current temperature derating at sea level (vin = 48v, with baseplate. air? ow direction is longitudinal from vin to vout.) maximum current temperature derating at sea level (vin = 75v, with baseplate. air? ow direction is longitudinal from vin to vout.) maximum current temperature derating at sea level (vin = 36v, with baseplate. air? ow direction is longitudinal from vin to vout.) uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 13 of 35
www.murata-ps.com/support typical performance data and oscillograms, uee-5/30-d48 step load transient response (vin = 48v, vout = nom, cload = 1uf || 10uf, iout = 50% to 75% of full load, ta = +25c) ch1 = vout, ch2 = iout step load transient response (vin = 48v, vout = nom, cload = 1uf || 10uf, iout = 75% to 50% of full load, ta = +25c) ch1 = vout, ch2 = iout step load transient response (vin = 48v, vout = nom, cload = 1uf || 10uf, iout = 50 to 75 to 50% of full load, ta = +25c) ch1 = vout, ch2 = iout. uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 14 of 35
www.murata-ps.com/support typical performance data and oscillograms, uee-5/30-d48 vin start up delay(vin = 48v, vout = nom, iout = 30a, cload = 10000uf, ta = +25c) ch2 = vout, ch4 = enable. output ripple and noise (vin = 48v, vout = nom, iout = 30a, cload = 1uf || 10uf, ta = +25c, scopebw = 20mhz) enable start up delay (vin = 48v, vout = nom, iout = 30a, cload = 10000uf, ta = +25c) ch2 = vout, ch4 = enable. output ripple and noise (vin = 48v, vout = nom, iout = 0a, cload = 1uf || 10uf, ta = +25c, scopebw = 20mhz) uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 15 of 35
www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 16 of 35 emissions performance, model uee-5/30-d48 murata power solutions measures its products for radio frequency emissions against the en 55022 and cispr 22 standards. passive resistance loads are employed and the output is set to the maximum voltage. if you set up your own emissions testing, make sure the output load is rated at continuous power while doing the tests. the recommended external input and output capacitors (if required) are included. please refer to the fundamental switching frequency. all of this information is listed in the product speci? cations. an external discrete ? lter is installed and the circuit diagram is shown below. [1] conducted emissions parts list [2] conducted emissions test equipment used spectrum analyzer C hewlett packard hp8594l line impedance stabilization network (lisn) C 2 line v-networks ls1-15v, 50 , 50 h [3] conducted emissions test results [4] layout recommendations most applications can use the ? ltering which is already installed inside the converter or with the addition of the recommended external capacitors. for greater emissions suppression, consider additional ? lter components and/or shielding. emissions performance will depend on the users pc board layout, the chassis shielding environment and choice of external components. please refer to application note gean02 for further discussion. since many factors affect both the amplitude and spectra of emissions, we recommend using an engineer who is experienced at emissions suppression. designation value part number description vendor c1 1 f grm32er72a105ka01l smd ceramic, 100v, 1000nf, x7r-1210 murata c2 100 nf grm319r72a104ka01d smd ceramic, 100v, 100nf 10%, x7r-1206 murata l1 1320 h lb16h1324 common mode choke, 1320 h, 25%, 4a, r5k, *21*21*12.5mm high light c4, c5 0.022 f grm32dr73a223kw01l smd ceramic, 1000v, 0.022 f, 10%, x7r-1210 murata c3 220 f uhe2a221mhd alum. electrolytic, 100v, 220 f, 10%, long lead nichicon c6 not used not used for this model c1 l1 c2 c3 c4 c5 dc/dc c6 + + -48v rtn gnd vcc gnd load figure 3. conducted emissions test circuit graph 3. conducted emissions performance, positive line, cispr 22, class a, 48 vin, full load graph 4. conducted emissions performance, negative line, cispr 22, class a, 48 vin, full load
www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 17 of 35 functional specifications, uee-12/12.5-d48 absolute maximum ratings conditions ? minimum typical/nominal maximum units input voltage, continuous 0 80 vdc input voltage, transient 100 ms max. duration 100 vdc isolation voltage input to output, continuous 2250 vdc input reverse polarity none, install external fuse none vdc on/off remote control power on, referred to -vin 0 15 vdc output power 0 152.25 w output current 0 12.5 a storage temperature range vin = zero (no power) -55 125 c absolute maximums are stress ratings. exposure of devices to greater than any of these conditions may adversely affect long-ter m reliability. proper operation under conditions other than those listed in the performance/functional speci? cations table is not implied or recommended. input conditions ? ? operating voltage range 36 48 75 vdc recommended external fuse fast blow 10 a start-up threshold rising input voltage 33.5 34.5 35.5 vdc undervoltage shutdown falling input voltage 31.5 32.5 33.5 vdc overvoltage shutdown none vdc reverse polarity protection none, install external fuse none vdc internal filter type pi input current full load conditions vin = nominal 3.36 3.45 a low line input current vin = minimum 4.63 4.81 a inrush transient 0.01 0.02 a 2 -sec. short circuit input current 50 ma no load iout = minimum, unit = on 120 150 ma shut-down input current (off, uv, ot) 610ma re? ected (back) ripple current ? measured at input with speci? ed ? lter 100 ma, p-p pre-biased startup external output voltage < vset monotonic general and safety ef? ciency vin = 48v, full load 92 93 % isolation isolation voltage input to output, continuous 2250 vdc isolation voltage input to baseplate, continuous 1500 vdc isolation voltage output to baseplate, continuous 1500 vdc insulation safety rating basic isolation resistance 10 m isolation capacitance 1000 pf safety certi? ed to ul-60950-1, csa-c22.2 no. 60950-1, iec 60950-1, 2nd edition yes calculated mtbf per telcordia sr332, issue 1, class 1, ground ? xed, tambient = +25c 2.5 hours x 10 6 dynamic characteristics fixed switching frequency 400 khz startup time (startup delay) power on to vout regulated 15 20 ms startup time (rise time) remote on to vout regulated 28 30 ms dynamic load response 50-75-50% load step, settling time to within 1% of vout (1 a/us) 1500 sec dynamic load peak deviation same as above 450 mv features and options remote on/off control ? n suf? x: negative logic, on state on = ground pin or external voltage -0.1 0.8 vdc negative logic, off state off = pin open or external voltage 2.5 15 vdc control current open collector/drain 1 2 ma p suf? x: positive logic, on state on = pin open or external voltage 3.5 15 v positive logic, off state off = ground pin or external voltage 0 1 v control current open collector/drain 1 2 ma smt mounting "m" suf? x optional
www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 18 of 35 output total output power 147 150 152.25 w voltage nominal output voltage no trim 11.82 12 12.18 vdc setting accuracy at 50% load, no trim -1.5 1.5 % of vnom output voltage range user-adjustable -20 10 % of vnom. overvoltage protection via magnetic feedback 14.4 16 vdc current output current range 0 12.5 12.5 a minimum load current limit inception 98% of vnom., after warmup 14 16 20 a short circuit short circuit current hiccup technique, autorecovery within 1.25% of vout 12a short circuit duration (remove short for recovery) output shorted to ground, no damage continuous short circuit protection method current limiting regulation line regulation vin = min. to max., vout = nom., iout = nom. 0.1 % of vout load regulation iout = min. to max., vin = 48v 0.25 % of vout ripple and noise ? 5 hz- 20 mhz bw 100 150 mv pk-pk temperature coef? cient at all outputs 0.008 0.02 % of vout./c maximum capacitive loading low esr, resistive load only 220 5000 f mechanical (through hole models) outline dimensions (no baseplate) 2.3 x 0.9 x 0.42 inches (please refer to outline drawing) w x l x h 58.42 x 22.9 x 10.7 mm weight tbd ounces tbd grams through hole pin diameter 0.04 & 0.062 inches 1.016 & 1.575 mm through hole pin material copper alloy th pin plating metal and thickness nickel subplate 50 -inches gold overplate 5 -inches environmental operating ambient temperature range with derating -40 85 c operating case temperature no derating. -40 115 c storage temperature vin = zero (no power) -55 125 c thermal protection/shutdown measured in center 115 125 130 c electromagnetic interference external ? lter is required conducted, en55022/cispr22 a class rohs rating rohs-6 functional specifications, uee-12/12.5-d48 (cont.) notes ? unless otherwise noted, all speci? cations are at nominal input voltage, nominal output voltage and full load. general conditions are +25? celsius ambient temperature, near sea level altitude, natural convec- tion air? ow. all models are tested and speci? ed with external parallel 1 f and 10 f multi-layer ceramic output capacitors. a 220uf external input capacitor is used. all capacitors are low-esr types wired close to the converter. ? input (back) ripple current is tested and speci? ed over 5 hz to 20 mhz bandwidth. input ? ltering is cbus=220 f, cin=33 f and lbus=12 h. ? all models are stable and regulate to speci? cation under no load. ? the remote on/off control is referred to -vin. for external transistor control, use open collector logic or equivalent.
typical performance data and oscillograms, uee-12/12.5-d48 step load transient response (vin = 48v, vout = nom, cload = 1uf || 10uf, iout = 50% to 75% of full load, ta = +25c) ch1 = vout, ch2 = iout step load transient response (vin = 48v, vout = nom, cload = 1uf || 10uf, iout = 75% to 50% of full load, ta = +25c) ch1 = vout, ch2 = iout step load transient response (vin = 48v, vout = nom, cload = 1uf || 10uf, iout = 50 to 75 to 50% of full load, ta = +25c) ch1 = vout, ch2 = iout. www.murata-ps.com/support startup delay (vin=48v, vout=nom, iout=12.5a, cload=5000f, ta=+25c) trace 1=vin, trace 2=vout ef? ciency and power dissipation @ 25c 70 74 78 82 86 90 94 98 1.25 2.50 3.75 5.00 6.25 7.50 8.75 10.00 11.25 12.50 0 4 8 12 16 20 24 28 load current (a) ef?ciency (%) loss vin = 36v vin = 48v vin = 75v dissipation @48v uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 19 of 35
typical performance data and oscillograms, uee-12/12.5-d48 www.murata-ps.com/support on/off enable startup delay (vin=48v, vout=nom, iout=12.5a, cload=5000uf, ta=+25c) trace 2=vout, trace 4=enable output ripple and noise (vin=48v, vout=nom, iout=0a, cload= 1f || 10f, ta=+25c) output ripple and noise (vin=48v, vout=nom, i out=12.5a, cload= 1f || 10f, ta=+25c) uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 20 of 35
typical performance data and oscillograms, uee-12/12.5-d48 0 2 4 6 8 10 12 14 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 48v, no baseplate. air? ow direction is longitudinal from vin to vout.) 0 2 4 6 8 10 12 14 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 75v, no baseplate. air? ow direction is longitudinal from vin to vout.) 0 2 4 6 8 10 12 14 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 36v, no baseplate. air? ow direction is longitudinal from vin to vout.) 0 2 4 6 8 10 12 14 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 48v, no baseplate. air? ow direction is transverse from -vin to +vin.) 0 2 4 6 8 10 12 14 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 75v, no baseplate. air? ow direction is transverse from -vin to +vin.) 0 2 4 6 8 10 12 14 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 36v, no baseplate. air? ow direction is transverse from -vin to +vin.) www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 21 of 35
typical performance data and oscillograms, uee-12/12.5-d48 www.murata-ps.com/support 0 2 4 6 8 10 12 14 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 48v, with baseplate. air? ow direction is longitudinal from vin to vout.) 0 2 4 6 8 10 12 14 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 75v, with baseplate. air? ow direction is longitudinal from vin to vout.) 0 2 4 6 8 10 12 14 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 36v, with baseplate. air? ow direction is longitudinal from vin to vout.) 0 2 4 6 8 10 12 14 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 48v, with baseplate. air? ow direction is transverse from -vin to +vin.) 0 2 4 6 8 10 12 14 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 75v, with baseplate. air? ow direction is transverse from -vin to +vin.) 0 2 4 6 8 10 12 14 30 35 40 45 50 55 60 65 70 75 80 85 ambient temperature (oc) output current (a) 1.0 m/s (200 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) 0.5 m/s (100 lfm) natural convection maximum current temperature derating at sea level (vin = 36v, with baseplate. air? ow direction is transverse from -vin to +vin.) uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 22 of 35
www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 23 of 35 emissions performance, model uee-12/12.5-d48 murata power solutions measures its products for radio frequency emissions against the en 55022 and cispr 22 standards. passive resistance loads are employed and the output is set to the maximum voltage. if you set up your own emissions testing, make sure the output load is rated at continuous power while doing the tests. the recommended external input and output capacitors (if required) are included. please refer to the fundamental switching frequency. all of this information is listed in the product speci? cations. an external discrete ? lter is installed and the circuit diagram is shown below. [1] conducted emissions parts list [2] conducted emissions test equipment used spectrum analyzer C hewlett packard hp8594l line impedance stabilization network (lisn) C 2 line v-networks ls1-15v, 50 , 50 h [3] conducted emissions test results [4] layout recommendations most applications can use the ? ltering which is already installed inside the converter or with the addition of the recommended external capacitors. for greater emissions suppression, consider additional ? lter components and/or shielding. emissions performance will depend on the users pc board layout, the chassis shielding environment and choice of external components. please refer to application note gean02 for further discussion. since many factors affect both the amplitude and spectra of emissions, we recommend using an engineer who is experienced at emissions suppression. designation value part number description vendor c1 1 f grm32er72a105ka01l smd ceramic, 100v, 1000nf, x7r-1210 murata c2 100 nf grm319r72a104ka01d smd ceramic, 100v, 100nf 10%, x7r-1206 murata l1 1320 h lb16h1324 common mode choke, 1320 h, 25%, 4a, r5k, *21*21*12.5mm high light c4, c5 0.022 f grm32dr73a223kw01l smd ceramic, 1000v, 0.022 f, 10%, x7r-1210 murata c3 220 f uhe2a221mhd alum. electrolytic, 100v, 220 f, 10%, long lead nichicon c6 not used not used for this model c1 l1 c2 c3 c4 c5 dc/dc c6 + + -48v rtn gnd vcc gnd load figure 4. conducted emissions test circuit graph 5. conducted emissions performance, positive line, cispr 22, class a, 48 vin, full load graph 6. conducted emissions performance, negative line, cispr 22, class a, 48 vin, full load
www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 24 of 35 mechanical specifications, uee-3.3/45-d48 (through-hole mount) third angle projection dimensions are in inches (mm shown for ref. only). components are shown for reference only and may vary between units. tolerances (unless otherwise speci?ed): .xx 0.02 (0.5) .xxx 0.010 (0.25) angles 2? 2.000 50.80 2.000 7.62 0.300 15.24 0.600 highest component between standoffs and 0.012" minimum clearance pins 1-3,5-7: 0.0400.001(1.0160.025) pins 4,8: 0.0620.001(1.5750.025) max 0.42 10.7 4.57 0.180 7 1 8 15.24 0.600 0.600 15.24 7.62 0.300 0.90 22.9 58.4 2.30 6 2:applied torque per screw should not exceed 5.3in-lb (0.6nm). 4:all tolerances: .in ,0.02in(.mm,0.5mm) .in ,0.01in(.mm,0.25mm). pin side view with baseplate option open frame 2 3 pin side view 5:components will vary between models. 6:standard pin length: 0.180 inch for l2 pin length option please refer to part number structure. 4 3:all dimension are in inches [millimeters]. 5 baseplate. heatsink) must not exceed 0.118''(3.0mm) depth below the surface of 1:m3 screw used to bolt unit's baseplate to other surfaces (such as unless otherwise specified: notes: between standoffs and highest component 0.012 minimum clearance pins 1-3,5-7: 0.0400.001(1.0160.025) pins 4,8: 0.0620.001(1.5750.025) max 12.7 0.50 4.57 0.180 m3 typ 2pl 2.000 50.80 15.24 0.600 3.81 3.81 0.150 0.150 22.9 0.90 58.4 2.30 dosa-compatible input/output connections pin function 1 +vin 2 on/off control 3 -vin 4 -vout 5 sense (-) 6 trim 7 sense (+) 8 +vout
www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 25 of 35 mechanical specifications, uee-5/30-d48 and uee-12/12.5-d48 (through-hole mount) third angle projection dimensions are in inches (mm shown for ref. only). components are shown for reference only and may vary between units. tolerances (unless otherwise speci?ed): .xx 0.02 (0.5) .xxx 0.010 (0.25) angles 2? 2:applied torque per screw should not exceed 5.3in-lb (0.6nm). 4:all tolerances: .in ,0.02in(.mm,0.5mm) .in ,0.01in(.mm,0.25mm). 5:components will vary between models. 6:standard pin length: 0.180 inch for l2 pin length option please refer to part number structure. 3:all dimension are in inches [millimeters]. unless otherwise specified: notes: 50.80 2.000 l 50.80 2.000 l m3 no.4 m3 no.2 m3 no.1 m3 no.3 50.8 2.00 15.2 0.60 see note 6 5 pin side view 1 2 3 4 6 7 8 8 7 5 pin side view 4 open frame 15.24 0.600 15.24 2.30 58.4 0.600 7.62 0.300 22.9 0.90 0.0620.001(1.5750.025) highest component between standoffs and 0.01 minimum clearance pins 1-3,5-7: 0.0400.001(1.0160.025) pins 4,8: see note 6 10.7 12.7 0.42 max 2 3 1 6 2.30 0.300 15.24 0.600 7.62 0.600 15.24 22.9 0.90 with baseplate option between standoffs and highest component 0.01 minimum clearance pins 1-3,5-7: 0.0400.001(1.0160.025) pins 4,8: 0.0620.001(1.5750.025) 0.50 max 1:for m3 thread hole no.1,no3;m3 screw used to bolt unit's baseplate to other surfaces (such as heatsink) must not exceed 0.118''(3.0mm) depth below the surface of baseplate; for screw hole no.2, no.4 not exceed 0.098"(2.5mm) dosa-compatible input/output connections pin function 1 +vin 2 on/off control 3 -vin 4 -vout 5 sense (-) 6 trim 7 sense (+) 8 +vout
www.murata-ps.com/support mechanical specifications, uee-3.3/45-d48 (surface mount, msl rating 2a) third angle projection dimensions are in inches (mm shown for ref. only). components are shown for reference only and may vary between units. tolerances (unless otherwise speci?ed): .xx 0.02 (0.5) .xxx 0.010 (0.25) angles 2? 50.80 2.000 0.38 0.015 min 10.7 0.42 max 4.57 0.180 pins 1-8: 0.0600.001(1.5240.025) 22.9 0.90 0.600 15.24 0.300 7.62 0.600 15.24 58.42 2.300 .in ,0.01in(.mm,0.25mm) pin side view 1 2 3 4 5 6 7 8 all tolerances: .in ,0.02in(.mm,0.5mm) notes: do not place components directly below the converter. uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 26 of 35 dosa-compatible input/output connections pin function 1 +vin 2 on/off control 3 -vin 4 -vout 5 sense (-) 6 trim 7 sense (+) 8 +vout
www.murata-ps.com/support mechanical specifications, , uee-5/30-d48 and uee-12/12.5-d48 (surface mount, msl rating 2a) third angle projection dimensions are in inches (mm shown for ref. only). components are shown for reference only and may vary between units. tolerances (unless otherwise speci?ed): .xx 0.02 (0.5) .xxx 0.010 (0.25) angles 2? max 0.42 10.7 3.81 0.150 0.015 min 2.000 50.80 smt option 7.62 0.300 2.30 58.4 0.90 22.9 0.600 15.24 15.24 0.600 8 pin side view 1 2 3 4 5 6 7 .in ,0.01in(.mm,0.25mm) all tolerances: .in ,0.02in(.mm,0.5mm) notes: pins 1-8: 0.0600.001(1.5240.025) do not place components directly below the converter. uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 27 of 35 dosa-compatible input/output connections pin function 1 +vin 2 on/off control 3 -vin 4 -vout 5 sense (-) 6 trim 7 sense (+) 8 +vout
www.murata-ps.com/support shipping trays and boxes (through-hole mount) shipping tray (through-hole mount) uee through-hole modules are supplied in a 21-piece (3-by-7) shipping tray. the tray is an anti-static closed-cell polyethylene foam. dimensions are shown below. uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 28 of 35 anti-static foam label label for 1C42 pc quantity for 43C84 pc quantity 7.800 (198.1) 1.06 (26.9) 2.400 (61) typ 9.920 (252) 0.625 (15.9) typ -0.062 +0.000 1.300 (33.0) typ 0.25 chamfer typ (4-pl) dimensions in inches (mm) 0.25 r typ 9.920 (252) +0.000 -0.062 0.735 (18.7) 0.455 (11.6) typ 0.910 (23.1) typ
www.murata-ps.com/support tape and reel information (surface mount, msl rating 2a) 2.693 68.40 sprocket centers (ref) 2.00 1.260 32.00 pitch 2.300 58.42 pcb ref 0.900 22.86 pcb ref sprocket holes pin #1 of converter dc-dc on pocket tape 'round' sprocket holes 'oblong' 1.50mm pin #1 indicator at each pocket feed (unwind) direction ------- 0.157 4.00 72.0 2.83 0.069 1.75 a a 2.379 60.43 61.88 2.436 0.199 5.06 ref section a-a scale 2 : 1 0.410 10.42 pocket depth cover tape 0.978 24.85 11.22 0.442 1.043 26.50 2.300 58.42 ref pcb 0.900 22.86 ref pcb 32.00 pitch f e ed ( u n w i n d) di r ec t i o n - - - - - 13.0" x 72mm wide reel (ref) on pocket tape dc-dc converter pin #1 of 'round' sprocket holes 'oblong' sprocket holes pin #1 indicator at each pocket feed (unwind) direction ------- 2.83 72.0 reel information (100 units per reel) 0.77 19.56 0.30 7.62 0.31 8.00 pickup point 1# uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 29 of 35
www.murata-ps.com/support input fusing certain applications and/or safety agencies may require fuses at the inputs of power conversion components. fuses should also be used when there is the possibility of sustained input voltage reversal which is not current-limited. for greatest safety, we recommend a fast blow fuse installed in the ungrounded input supply line with a value which is approximately twice the maximum line current, calculated at the lowest input voltage. the installer must observe all relevant safety standards and regulations. for safety agency approvals, install the converter in compliance with the end-user safety standard. input under-voltage shutdown and start-up threshold under normal start-up conditions, converters will not begin to regulate properly until the rising input voltage exceeds and remains at the start-up threshold voltage (see speci? cations). once operating, converters will not turn off until the input voltage drops below the under-voltage shutdown limit. subsequent restart will not occur until the input voltage rises again above the start-up threshold. this built-in hysteresis prevents any unstable on/off operation at a single input voltage. users should be aware however of input sources near the under-voltage shutdown whose voltage decays as input current is consumed (such as capaci- tor inputs), the converter shuts off and then restarts as the external capacitor recharges. such situations could oscillate. to prevent this, make sure the operating input voltage is well above the uv shutdown voltage at all times. start-up delay assuming that the output current is set at the rated maximum, the vin to vout start-up time (see speci? cations) is the time interval between the point when the rising input voltage crosses the start-up threshold and the fully loaded regulated output voltage enters and remains within its speci? ed regulation band. actual measured times will vary with input source impedance, external input capacitance, input voltage slew rate and ? nal value of the input voltage as it appears at the converter. these converters include a soft start circuit to moderate the duty cycle of the pwm controller at power up, thereby limiting the input inrush current. the on/off remote control interval from inception to vout regulated assumes that the converter already has its input voltage stabilized above the start-up threshold before the on command. the interval is measured from the on command until the output enters and remains within its speci? ed regulation band. the speci? cation assumes that the output is fully loaded at maximum rated current. uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 30 of 35 technical notes through-hole soldering guidelines murata power solutions recommends the speci? cations below when install- ing these converters. these speci? cations vary depending on the solder type. exceeding these speci? cations may cause damage to the product. your production environment may differ; therefore please thoroughly review these guidelines with your process engineers. wave solder operations for through-hole mounted products (thmt) for sn/ag/cu based solders: maximum preheat temperature 115oc. maximum pot temperature 270oc. maximum solder dwell time 7 seconds for sn/pb based solders: maximum preheat temperature 105oc. maximum pot temperature 250oc. maximum solder dwell time 6 seconds smt reflow soldering guidelines the surface-mount re? ow solder pro? le shown below is suitable for sac305 type lead-free solders. this graph should be used only as a guideline . many other factors in? uence the success of smt re? ow soldering. since your pro- duction environment may differ, please thoroughly review these guidelines with your process engineers.
www.murata-ps.com/support figure 6. measuring output ripple and noise (pard) c1 c1 = 1f c2 = 10f load 2-3 inches (51-76mm) from module c2 r load scope +vout +sense ?sense ?vout input source impedance these converters will operate to speci? cations without external components, assuming that the source voltage has very low impedance and reasonable input voltage regulation. since real-world voltage sources have ? nite imped- ance, performance is improved by adding external ? lter components. some- times only a small ceramic capacitor is suf? cient. since it is dif? cult to totally characterize all applications, some experimentation may be needed. note that external input capacitors must accept high speed switching currents. because of the switching nature of dc-dc converters, the input of these converters must be driven from a source with both low ac impedance and adequate dc input regulation. performance will degrade with increasing input inductance. excessive input inductance may inhibit operation. the dc input regulation speci? es that the input voltage, once operating, must never degrade below the shut-down threshold under all load conditions. be sure to use adequate trace sizes and mount components close to the converter. i/o filtering, input ripple current and output noise all models in this converter series are tested and speci? ed for input re? ected ripple current and output noise using designated external input/output compo- nents, circuits and layout as shown in the ? gures below. external input capaci- tors (cin in the ? gure) serve primarily as energy storage elements, minimizing line voltage variations caused by transient ir drops in the input conductors. users should select input capacitors for bulk capacitance (at appropriate frequencies), low esr and high rms ripple current ratings. in the ? gure below, the cbus and lbus components simulate a typical dc voltage bus. your speci? c system con? guration may require additional considerations. please note that the values of cin, lbus and cbus will vary according to the speci? c converter model. in critical applications, output ripple and noise (also referred to as periodic and random deviations or pard) may be reduced by adding ? lter elements such as multiple external capacitors. be sure to calculate component tempera- ture rise from re? ected ac current dissipated inside capacitor esr. floating outputs since these are isolated dc-dc converters, their outputs are ? oating with respect to their input. the essential feature of such isolation is ideal zero current flow between input and output. real-world converters however do exhibit tiny leakage currents between input and output (see speci? cations). these leakages consist of both an ac stray capacitance coupling component and a dc leakage resistance. when using the isolation feature, do not allow the isolation voltage to exceed speci? cations. otherwise the converter may be damaged. designers will normally use the negative output (-output) as the ground return of the load circuit. you can however use the positive output (+output) as the ground return to effectively reverse the output polarity. minimum output loading requirements all models regulate within speci? cation and are stable under no load to full load conditions. operation under no load might however slightly increase output ripple and noise. thermal shutdown to protect against thermal overstress, these converters include thermal shutdown circuitry. if environmental conditions cause the temperature of the dc-dcs to rise above the operating temperature range up to the shutdown temperature, an on-board electronic temperature sensor will power down the unit. when the temperature decreases below the turn-on threshold, the converter will automatically restart. there is a small amount of hysteresis to prevent rapid on/off cycling. the temperature sensor is typically located adja- cent to the switching controller, approximately in the center of the unit. see the performance and functional speci? cations. caution: if you operate too close to the thermal limits, the converter may shut down suddenly without warning. be sure to thoroughly test your applica- tion to avoid unplanned thermal shutdown. temperature derating curves the graphs in this data sheet illustrate typical operation under a variety of conditions. the derating curves show the maximum continuous ambient air temperature and decreasing maximum output current which is acceptable under increasing forced air? ow measured in linear feet per minute (lfm). note that these are average measurements. the converter will accept brief increases in current or reduced air? ow as long as the average is not exceeded. figure 5. measuring input ripple current c in v in c bus l bus c in = 33f, esr < 700m @ 100khz c bus = 220f, esr < 100m @ 100khz l bus = 12h +vin ?vin current probe to oscilloscope + C + C uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 31 of 35
www.murata-ps.com/support note that the temperatures are of the ambient air? ow, not the converter itself which is obviously running at higher temperature than the outside air. also note that very low ? ow rates (below about 25 lfm) are similar to natural convection, that is, not using fan-forced air? ow. murata power solutions makes characterization measurements in a closed cycle wind tunnel with calibrated air? ow. we use both thermocouples and an infrared camera system to observe thermal performance. as a practical matter, it is quite dif? cult to insert an anemometer to precisely measure air? ow in most applications. sometimes it is possible to estimate the effective air? ow if you thoroughly understand the enclosure geometry, entry/exit ori? ce areas and the fan ? owrate speci? cations. caution: if you exceed these derating guidelines, the converter may have an unplanned over temperature shut down. also, these graphs are all collected near sea level altitude. be sure to reduce the derating for higher altitude. output overvoltage protection (ovp) this converter monitors its output voltage for an over-voltage condition. if the output exceeds ovp limits, the sensing circuit will power down the unit, and the output voltage will decrease. after a time-out period, the pwm will automatically attempt to restart, causing the output voltage to ramp up to its rated value. it is not necessary to power down and reset the converter for the automatic ovp-recovery restart. if the fault condition persists and the output voltage climbs to excessive levels, the ovp circuitry will initiate another shutdown cycle. this on/off cycling is referred to as hiccup mode. output fusing the converter is extensively protected against current, voltage and temperature extremes. however your application circuit may need additional protection. in the extremely unlikely event of output circuit failure, excessive voltage could be applied to your circuit. consider using appropriate external protection. output current limiting as soon as the output current increases to approximately 125% to 150% of its maximum rated value, the dc-dc converter will enter a current-limiting mode. the output voltage will decrease proportionally with increases in output current, thereby maintaining a somewhat constant power output. this is also commonly referred to as power limiting. current limiting inception is de? ned as the point at which full power falls below the rated tolerance. see the performance/functional speci? cations. note particularly that the output current may brie? y rise above its rated value in normal operation as long as the average output power is not exceeded. this enhances reliability and continued operation of your application. if the output current is too high, the converter will enter the short circuit condition. output short circuit condition when a converter is in current-limit mode, the output voltage will drop as the output current demand increases. if the output voltage drops too low (approxi- mately 98% of nominal output voltage for most models), the magnetically coupled voltage used to develop the pwm bias voltage will also drop, thereby shutting down the pwm controller. following a time-out period, the pwm will restart, causing the output voltage to begin rising to its appropriate value. if the short-circuit condition persists, another shutdown cycle will initiate. this rapid on/off cycling is called hiccup mode. the hiccup cycling reduces the average output current, thereby preventing excessive internal temperatures and/or component damage. the hiccup system differs from older latching short circuit systems because you do not have to power down the converter to make it restart. the system will automatically restore operation as soon as the short circuit condi- tion is removed. remote sense input use the sense inputs with caution. sense is normally connected at the load . sense inputs compensate for output voltage inaccuracy delivered at the load. this is done by correcting ir voltage drops along the output wiring and the current carrying capacity of pc board etch. this output drop (the difference between sense and vout when measured at the converter) should not exceed 0.5v. consider using heavier wire if this drop is excessive. sense inputs also improve the stability of the converter and load system by optimizing the control loop phase margin. note: the sense input and power vout lines are internally connected through low value resistors to their respective polarities so that the converter can operate without external connection to the sense. nevertheless, if the sense function is not used for remote regulation, the user should connect +sense to +vout and Csense to Cvout at the converter pins. the remote sense lines carry very little current. they are also capacitively coupled to the output lines and therefore are in the feedback control loop to regulate and stabilize the output. as such, they are not low impedance inputs and must be treated with care in pc board layouts. sense lines on the pcb should run adjacent to dc signals, preferably ground. in cables and discrete wiring, use twisted pair, shielded tubing or similar techniques. any long, distributed wiring and/or signi? cant inductance introduced into the sense control loop can adversely affect overall system stability. if in doubt, test your applications by observing the converters output transient response during step loads. there should not be any appreciable ringing or oscillation. you may also adjust the output trim slightly to compensate for voltage loss in any external ? lter elements. do not exceed maximum power ratings. figure 7. remote sense circuit con? guration load contact and pcb resistance losses due to ir drops contact and pcb resistance losses due to ir drops +vout +sense trim ? sense -vout + vin on/off control C vin sense current i out sense return i out return uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 32 of 35
www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 33 of 35 please observe sense inputs tolerance to avoid improper operation: [vout(+) ?vout(-)] ? [sense(+) ?sense(-)] 10% of vout output overvoltage protection is monitored at the output voltage pin, not the sense pin. therefore excessive voltage differences between vout and sense together with trim adjustment of the output can cause the overvoltage protec- tion circuit to activate and shut down the output. power derating of the converter is based on the combination of maximum output current and the highest output voltage. therefore the designer must insure: (vout at pins) x (iout) (max. rated output power) trimming the output voltage the trim input to the converter allows the user to adjust the output voltage over the rated trim range (please refer to the speci? cations). in the trim equa- tions and circuit diagrams that follow, trim adjustments use either a trimpot or a single ? xed resistor connected between the trim input and either the +sense or Csense terminals. trimming resistors should have a low temperature coef- ? cient (100 ppm/deg.c or less) and be mounted close to the converter. keep leads short. if the trim function is not used, leave the trim unconnected. with no trim, the converter will exhibit its speci? ed output voltage accuracy. there are two cautions to observe for the trim input: caution: to avoid unplanned power down cycles, do not exceed either the maximum output voltage or the maximum output power when setting the trim. be particularly careful with a trimpot. if the output voltage is excessive, the ovp circuit may inadvertantly shut down the converter. if the maximum power is exceeded, the converter may enter current limiting. if the power is exceeded for an extended period, the converter may overheat and encounter overtemperature shut down. caution: be careful of external electrical noise. the trim input is a senstive input to the converters feedback control loop. excessive electrical noise may cause instability or oscillation. keep external connections short to the trim input. use shielding if needed. where, = | ( v nom ? v out ) / v nom | v nom is the nominal, untrimmed output voltage. v out is the desired new output voltage. do not exceed the speci?ed trim range or maximum power ratings when adjusting trim. use 1% precision resistors mounted close to the converter on short leads. if sense is not installed, connect the trim resistor to the respective v out pin. trim down connect trim resistor between trim pin and ?sense 5.11 r trimdn (k ) = ? 10.22 trim up connect trim resistor between trim pin and +sense 1.225 5.11 v nom (1+ ) r trimup (k ) = ? 10.22 ? 5.11 figure 8. trim connections using a trimpot load +vout +vin Cvin on/off control trim +sense Cvout Csense trim equations trim circuits figure 9. trim connections to increase output voltages load r trim up +vout +vin Cvin on/off control trim +sense Cvout Csense connect sense to its respective v out pin if sense is not used with a remote load.
www.murata-ps.com/support uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 34 of 35 remote on/off control on the input side, a remote on/off control can be speci? ed with either positive or negative logic logic. positive: models equipped with positive logic are enabled when the on/off pin is left open or is pulled high to +vin with respect to Cvin. an internal bias current causes the open pin to rise to approximately +13.5v. some models will also turn on at lower intermediate voltages (see speci? cations). positive-logic devices are disabled when the on/off is grounded or brought to within a low voltage (see speci? cations) with respect to Cvin. negative: models with negative logic are on (enabled) when the on/off is grounded or brought to within a low voltage (see speci? cations) with respect to Cvin. the device is off (disabled) when the on/off is left open or is pulled high to approximately +13.5v with respect to Cvin. dynamic control of the on/off function should be able to sink the speci- ? ed signal current when brought low and withstand appropriate voltage when brought high. be aware too that there is a ? nite time in milliseconds (see speci? cations) between the time of on/off control activation and stable, regulated output. this time will vary slightly with output load type and current and input conditions. output capacitive load these converters do not require external capacitance added to achieve rated speci? cations. users should only consider adding capacitance to reduce switch- ing noise and/or to handle spike current step loads. install only enough capaci- tance to achieve noise objectives. excess external capacitance may cause regulation problems, slower transient response and possible instability. proper wiring of the sense inputs will improve these factors under capacitive load. the maximum rated output capacitance and esr speci? cation is given for a capacitor installed immediately adjacent to the converter. any extended output wiring or smaller wire gauge or less ground plane may tolerate somewhat higher capacitance. also, capacitors with higher esr may use a larger capacitance. figure 10. trim connections to decrease output voltages load r trim down +vout +vin Cvin on/off control trim +sense Cvout Csense figure 11. driving the on/off control pin (suggested circuit) on/off control -vin +vcc
www.murata-ps.com/support murata power solutions, inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. the descriptions contained her ein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. speci? cations are subject to cha nge without notice. ? 2016 murata power solutions, inc. murata power solutions, inc. 11 cabot boulevard, mans? eld, ma 02048-1151 u.s.a. iso 9001 and 14001 registered this product is subject to the following operating requirements and the life and safety critical application sales policy: refer to: http://www.murata-ps.com/requirements/ uee 150w series isolated, high-density, eighth-brick dosa low pro? le dc-dc converters mdc_uee 150w_series.a02 page 35 of 35 figure 12. vertical wind tunnel ir video camera ir transparent optical window variable speed fan heating element ambient temperature sensor air?ow collimator precision low-rate anemometer 3 below uut unit under test (uut) vertical wind tunnel murata power solutions employs a computer controlled custom-designed closed loop vertical wind tunnel, infrared video camera system, and test instrumentation for accurate air? ow and heat dissipation analysis of power products. the system includes a precision low ? ow-rate anemometer, variable speed fan, power supply input and load controls, temperature gauges, and adjust- able heating element. the ir camera monitors the thermal performance of the unit under test (uut) under static steady-state conditions. a special optical port is used which is transparent to infrared wavelengths. both through-hole and surface mount converters are soldered down to a 10" x 10" host carrier board for realistic heat absorp- tion and spreading. both longitudinal and transverse air? ow studies are possible by rotation of this carrier board since there are often signi? cant differences in the heat dissipation in the two air? ow directions. the combination of adjustable air? ow, adjust- able ambient heat, and adjustable input/output currents and voltages mean that a very wide range of measurement conditions can be studied. the collimator reduces the amount of turbulence adjacent to the uut by minimizing air? ow turbulence. such turbulence in? uences the effective heat transfer characteristics and gives false readings. excess turbulence removes more heat from some surfaces and less heat from others, possibly causing uneven overheating. both sides of the uut are studied since there are different thermal gradients on each side. the adjustable heating element and fan, built-in temperature gauges, and no-contact ir camera mean that power supplies are tested in real-world conditions.

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