mint1275 275w single output medical series www.slpower.com mint1275 rev 1.2, 15-jan-13 2 general specifications (continued) inrush current 264vac, cold start: will not exceed 50a signals ac power fail, dc ok, inhibit, current share input fuses f1, f2: 5a, 275vac fuses provided on all models overload protection 120%-150% of rating, hiccup mode earth leakage current < 2 7 5 a @ 2 6 4 v a c , 6 0 h z , n c ; < 4 0 0 a s f c short circuit protection provided - no damage will occur if the output is shorted. hiccup mode. efficiency 92% typical overvoltage protection ovp latch at 110%-130% of rated output voltage. output power 275w continuous, with 200 lfm airflow, 180w convection cooled ? see chart for specific voltage model ratings. switching frequency pfc: variable, 30khz - 400khz main converter: variable 30-250khz, 65-70khz at full load. transient response 5 0 0 s t y p . f o r r e t u r n t o w i t h i n 0 . 5 % o f nominal, 50% load step. ? i/ ? t <0.2a/s. max volt deviation = 3% isolation input-output: 4000vac, 2 x mopp input-ground: 1800vac, 1 x mopp output-ground: 1500vac ripple and noise see chart operating temperature -10c to +70c start up at -40c, full load output voltage see chart temperature derating derate output power linearly above 50c to 50% at 70c voltage adjustability +/- 5% from nominal storage temperature -40c to +85c minimum load not required altitude operating: -500 to 10,000 ft. non-operating: -500 to 40,000 ft. total regulation +/- 3%. see chart relative humidity 5% to 95%, non-condensing vibration operating: 0.003g 2 /hz, 1.5grms overall, 3 axes, 10 min/axis non-operating: 0.026g 2 /hz, 5.0grms overall, 3 axes, 1 hr/axis shock operating: half-sine, 20gpk, 10ms, 3 axes, 6 shocks total non-operating: half-sine, 40 gpk, 10 ms, 3 axes, 6 shocks total dimensions w: 3.0? x l: 5.0? x h: 1.38? safety standards en/csa/ul/iec 60601-1, 3 rd edition weight 325g mtbf 465,000 hours, 275w load, 25 c ambient, 110vac input auxiliary signals ac power fail: goes low with 5ms warning before loss of dc output after loss of ac power. dc ok: open collector logic signal goes and stays high 100ms to 500ms after main output reaches regulation. inhibit: connect to inhibit pin (j201 pin 5) to output common to inhibit the dc output. fan output: 12v @ 1a remote sense: compensates for up to 250mv drop in load lines. current share: forced current sharing provided for up to 5 units connected in parallel.
emi/emc compliance conducted emissions en55011/22 class b, fcc part 15, subpart b, class b radiated emissions en55011/22 class a; fcc part 15, subpart a, class a w/6db margin static discharge immunity en61000-4-2, 6kv contact discharge, 8kv air discharge radiated rf immunity en61000-4-3, 3v/m. eft/burst immunity en61000-4-4, 2kv/5khz line surge immunity en61000-4-5, 1kv differential, 2kv common-mode conducted rf immunity en61000-4-6, 3vrms power frequency magnetic field immunity en61000-4-8, 3a/m voltage dip immunity en61000-4-11, 0% vin, 0.5cycle; 40% vin, 5 cycles; 70% vin, 25 cycles line harmonic emissions en61000-3-2, class a, b, c, & d flicker test en61000-3-3, complies (dmax<6%) mechanical drawing notes: 1. all dimensions in inches (mm), tolerance is +/-0.02?. 2. mounting holes should be grounded for emi purposes. 3. fg is safety ground connection. 4. the power supply requires mounting on metal standoffs 0.20? (5mm) in height, min. connector information input connector ground dc output connector fan output connector signal connector pin 1) ac line pin 2) empty pin 3) ac neutral 0.250? faston tab term. 1: +vout term. 2: -vout pin 1) +12vfan rtn pin 2) +12v fan pin 1) remote sense (+) pin 6) common pin 2) common pin 7) power good pin 3) remote sense (-) pin 8) +5vsb pin 4) current share pin 9) dc ok pin 5) inhibit pin 10) +5vsb rtn mating connector: molex 09-50-3031 pins= 08-52-0072 mating connector: molex 01- 90020001 mating connector: molex 19141- 0058/0063/0083 mating connector: molex 22-01-3027 pins: 08-50-0114 mating connector: molex 90119-0010 or amp 87977-3 pins: 90119-2110 pins: 87309-8
j302 j303 j201 pin 1 s+ j201 pin 3 s- j201 pin 4 j302 j303 j201 pin 1 s+ load + j201 pin 3 s- j201 pin 4 j302 j303 j201 pin 1 s+ j201 pin 3 s- j201 pin 4 power supply 1 power supply 2 power supply 3 vo+ vo- current sharing bus load - fan output ? j301 j301 provides a 12v@1a output to support a system cooling fan. the fan output is always available when ac input is present, so it also can be used for a 12v standby output is so desired. ac power failure/dc ok, current shaare and inhibit signals ? j201 2. inhibit remote inhibit control of the dc output. j201 pin 5 open = on j201 pin 5 low or gnd = off 3. current sharing/remote sense the outputs of n+1 (n=1,2?5) models can be shared. it is shown in figure 3, one load-share controller is required for each model and circuits are identical when n+ 1 identical models are used. terminals j302 and j303 are connected to the vo+ and vo-, respectively, of the first power model. the vo+ and vo- correspond to the other models positive and negative output pins. the vo+ connects to positive output bus to the load and vo- connects the negative output bus to the load. the j201 pin1 and pin3 connects to the s+ and s-, respectively, of the first power models. the s+ and s- correspond to the other models j201 pin1 and pin3. the s+ connects to positive output bus and s- connects to negative output bus. remote sense < 250mv drop compensation: the j201 pin4 connects to current sharing bus that it connects to other models j201 pin4. figure 3: current share method
timing sequence isolation specifications parameter conditions/description min nom max units insulation safety rating input/ground input/output output/ground basic (1 mopp) reinforced (2 mopp) operational electric strength test voltage input/ground input/output output/ground 1800 4000 1500 - - vac vac vac input specifications all specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted. parameter conditions/description min nom max units input voltage 90 115/230 264 vac turn-on input voltage ramping up 80 vac turn-off input voltage ramping down 75 vac input frequency 47 50/60 63 hz inrush current limitation 264vac, cold start - - 50 a power factor v i nom , i o nom 0.9 - - efficiency v i nom , i o nom MINT1275A1214K01 mint1275a1514k01 mint1275a2414k01 mint1275a4814k01 mint1275a5614k01 - 92% - %
mint1275 275w single output medical series www.slpower.com mint1275 rev 1.2, 15-jan-13 6 output specifications parameter conditions/description min nom max units output voltage setpoint accuracy MINT1275A1214K01 v i nom , , i o1 @ adc, t c = 25 c -3 - 3 % v o nom output voltage setpoint accuracy mint1275a1514k01 v i nom , , i o1 @ adc, t c = 25 c -3 - 3 % v o nom output voltage setpoint accuracy mint1275a2414k01 v i nom , , i o1 @ adc, t c = 25 c -3 - 3 % v o nom output voltage setpoint accuracy mint1275a4814k01 v i nom , , i o1 @ adc, t c = 25 c -3 - 3 % vo nom output voltage setpoint accuracy mint1275a5614k01 v i nom , , io1 @ adc, tc = 25 c -3 - 3 % vo nom output current v1 output current v2 MINT1275A1214K01 0 0 15.0 - 21.8 1.0 adc adc output current v1 output current v2 mint1275a1514k01 0 0 12.0 - 17.47 1.0 adc adc output current v1 output current v2 mint1275a2414k01 0 0 7.5 - 10.9 1.0 adc adc output current v1 output current v2 mint1275a4814k01 0 0 3.75 - 5.46 1.0 adc adc output current v1 output current v2 mint1275a5614k01 0 0 3.21 - 4.68 1.0 adc adc static line regulation v1 v i min- v i max, v i nom , 0-100% i o nom -1 - 1 % v o nom static load regulation v1 (droop characteristic) v i min- v i max, v i nom , 0-100% i o nom -3 - 3 % v o nom hold-up time starting at v i = 230 vac, p o nom - 16 - ms dynamic load regulation l o a d c h a n g e = 5 0 % , d i / d t = 0 . 2 a / s voltage deviation 3% 0 3 % v o nom start-up time v i nom , i o nom 0 - 2 s start-up time v i nom , i o nom 0 - 2 s protection all specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted. parameter conditions/description min nom max units input fuse not user accessible input transient protection 2kv(cm) and 1kv(dm) surge 2 kv (cm) output no-load and short circuit proof hiccup short circuit proof hiccup overload (latch style) hiccup overvoltage protection latch style latch over temperature protection automatic power shutdown at t c =135c
characteristic curves output vs. temperature 180w convection cooled and 275w continuous with 200 lfm airflow. derate output power to 50% at 70 ? c. efficiency vs. loading the high efficiency is achieved by using llc technology, pfc topology minimizing switching losses. synchronous schottky or ultra-fast diode is used as rectifier in mint1175 family because of high output voltage level.
ripple & noise to verify that the output ripple and noise does not exceed the level specified in the product specification. measured using a scope probe socket with 0.1f ceramic and a 10f electrolytic capacitor connected in parallel across it, bw limit with 20mhz. 12v out , n o l oad , 115v ac , 60h z 12v out , f ull l oad , 115v ac , 60h z 12v out , n o l oad , 230v ac , 60h z 12v out , f ull l oad , 230v ac , 60h z output transient response 5 0 % l o a d s t e p w i t h i n t h e r e g u l a t i o n l i m i t s o f m i n i m u m a n d m a x i m u m l o a d , d i / d t < 0 . 2 a / s e c . r e c o v e r y t i m e n o t s p e c i f i e d a s t h e r e i s n o l a p s i n r e g u l a t i o n with a 50% load step. maximum voltage deviation is 3%. 12 v out , 115v ac , 25% to 75% l oad s tep 12v out , 230v ac , 25% to 75% l oad s tep
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