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mp65150/mp65151 precision 60ma1.7a programmable currentlimited power distribution switch mp65150/mp65151 rev. 1.1 www.monolithicpower.com 1 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. the future of analog ic technology description mp65150/mp65151 power distribution switch is designed for precision current limiting and provides up to 1.5a continuous output current. it offers programmable current limit between 60ma and 1.7a (typ) with 10% accuracy by an external resistor. the switch includes an 88m nchannel power mosfet and operates from 2.5v to 5.5v input voltage. the device has builtin protection for both over current and increased thermal stress. for over current, the device will limit the current by changing to a constant current mode. it will shutdown when its internal temperature reaches unsafe levels and recover once the device temperature reduces approx 10 c. it provides builtin softstart which controls the rise and fall times of the output voltage to limit the initial inrush current and voltage surges. the reversevoltage protection feature turns off the mosfet to protect the device. the flag ________ output will report a fail mode (low level) when over current or over temperature is encountered. the flag ________ will not change state when the input uvlo is triggered. the mp65150/mp65151 is available in space saving 6pin tqfn 2x2mm package and tsot236 package. features ? up to 1.5a continuous output current ? 10% currentlimit accuracy ? adjustable currentlimit, 60ma~1700ma (typ) ? fast overcurrent response 2s (typ) ? 2.5v to 5.5v supply range ? 88m mosfet (tqfn package) ? 1.5a maximum standby supply current ? reverse inputoutput voltage protection ? builtin softstart ? thermalshutdown protection ? automaticon after fault removed ? undervoltage lockout ? deglitched fault report ? flag ________ won't change state at input uvlo transition ? bidirectional fault deglitch time ? active low & active high options applications ? smart phone and pda ? portable gps device ? notebook pc ? settopbox ? telecom and network systems ? pc card hot swap ? usb power distribution typical application gnd in ilim en out flag gnd vin en vout gnd mp65151 * * r flag 10k flag + r ilim pad (*en active low for mp65150) for mps green status, please visit mps website unde r quality assurance. mps and the future of analog ic technology are registered trademarks of monolithic power systems, inc.
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev. 1.1 www.monolithicpower.com 2 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. ordering information part number* enable switch maximum continuous load current package top marking free air temperature (t a ) mp65150dgt active low single 1.5a tqfn6 (2x2mm) 5y 40 c to +85 c mp65151dgt** active high tqfn6 (2x2mm) aj mp65150dj active low single 1.5a tsot236 5y 40 c to +85 c mp65151dj active high tsot236 aan *both mp65150/1dgt and mp65150/1dj are available no w ** for tape & reel, add suffix Cz (e.g. mp65151dgtC z). for rohs compliant packaging, add suffix Clf (e.g. mp65151dgtClfCz) package reference absolute maximum ratings (1) in to gnd ................................... 0.3v to +6.5v ilim, en, flag ________ , out to gnd..... 0.3v to +6.5v r ilim range (1%) ..................... 12.4k to 210k continuous power dissipation (t a = +25c) (2) tqfn(2x2)6 ....................................... .... 1.56w tsot236 .......................................... ..... 0.57w lead temperature................................... . 260c storage temperature ............... 65c to +150c operating junct. temp (t j ) ...... 40 c to +150 c thermal resistance (3) ja jc tqfn6 (2x2mm). ............... 80 ....... 16... c/w tsot236. ........................ 220 ..... 110.. c/w notes: 1) exceeding these ratings may damage the device. 2) the maximum allowable power dissipation is a fun ction of the maximum junction temperature t j (max), the junction toambient thermal resistance ja , and the ambient temperature t a . the maximum allowable continuous power dissipation at any ambient temperature is calculated by p d (max)=(t j (max)t a )/ ja . exceeding the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. internal thermal shutdown circuitry protects the device from permanent damage. 3) measured on jesd517, 4layer pcb. out top view ilim flag in gnd en exposed pad on backside 12 3 4 5 6 in gnd en 12 3 65 4 out ilim flag top view tqfn6 (2x2mm) tsot236 mp65150/mp65151 singlechannel (en active low for mp65150)
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev. 1.1 www.monolithicpower.com 3 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. electrical characteristics t a =+25c, 2.5v v in 5.5v, 12.4k r ilim 210k, r flag =10k, unless otherwise noted. parameters symbol test conditions min typ max units in voltage range v in 2.5 5.5 v fet on_resistance r ds(on) v in =5v, i out =100ma 40ct a +85c tqfn2x26 88 135 m tsot236 100 135 supply current i in_on device enabled, v out =float, v in =5.5v 125 145 a shutdown current i in_off device disabled, v out =float, v in =5.5v 1.5 a reverse leakage current i rev v in =0v, v out =5.5v 0.01 1 a current limit (see figure 2) i os r ilim =13k 40ct a 85c, out connected to gnd 1530 1700 1870 ma r ilim =20k 960 1190 1360 r ilim =49.9k 450 510 570 r ilim =210k 105 135 166 ilim shorted to in 45 60 85 short current response time t ios v in =5v (see figure 2) 2 s undervoltage lockout inuv vth v in rising edge 2.25 2.45 v undervoltage hysteresis inuv hys 130 mv en input logic high voltage vih en 1.1 v en input logic low voltage vil en 0.66 v en input leakage current i en v en =0~5.5v 0.5 0.5 a flag ________ output logic low voltage v ol i flag =1ma 180 mv flag ________ output high leakage current i flag_off v flag =5.5v 1 a flag ________ deglitch time t flag_deg delay time for assertion or de assertion due to overcurrent condition 3.5 7.5 10 ms reversevoltage comparator trip point (v out C v in ) v r_trip 135 mv time from reverse voltage to mosfet turn off t r_res v in =5v 5 ms
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev. 1.1 www.monolithicpower.com 4 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. electrical characteristics (4) ( continued ) t a =+25c, 2.5v v in 5.5v, 12.4k r ilim 210k, r flag =10k, unless otherwise noted. parameters symbol test conditions min typ max units thermal shutdown threshold t j 155 c thermal shutdown threshold in current limit condition t j_cl 135 c thermal shutdown hysteresis t j_hys 10 c v out rising time t r (5) r load =100, c load =1f v in =5.5v 0.5 1.5 ms v in =2.5v 0.75 v out falling time t f (6) r load =100, c load =1f v in =5.5v 0.1 0.4 v in =2.5v 0.1 0.4 turn on time t on (7) r load =100, c load =100f 3 ms turn off time t off (8) 30 notes: 4) production test at +25c. specifications over th e temperature range are guaranteed by design and ch aracterization. 5) measured from 10% to 90% output signal. 6) measured from 90% to 10% output signal. 7) measured from 50% en signal to 90% output signal . 8) measured from 50% en signal to 10% output signal .
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev. 1.1 www.monolithicpower.com 5 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. pin functions tqfn6 (9) pin # t sot23 pin # name i/o description 1 6 out o switch output. the v out of the internal power fet and output terminal of th e ic. 2 5 ilim o external resistor used to set currentlimit, recomm ended 12.4k r ilim 210k. 3 4 flag o fault status. logic low when overcurrent, overt emperature. open drain. 4 3 en i enable input. active low: (mp65150), activ e high: (mp65151). 5 2 gnd ground. externally connected to pad. 6 1 in i input voltage. accepts 2.5v to 5.5v input. pad pad internally connected to gnd. used to heat sink the part to the circuit board traces. connect pad to gnd pin externally. notes: 9) the part has thermal pad on the backside and the pad is gnd. parameter measurement information v i(en) v i(en) v o(out) v o(out) v o(out) out r l t on t on t off t off t f t r c l 50% 50% 50% 50% 90% 90% 90% 90% 10% 10% 10% 10% voltage waveforms test circuit figure 1definition of t r , t f , t on , and t off figure 2short circuit response time
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev. 1.1 www.monolithicpower.com 6 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. block diagram in en* gnd out flag uvlo amp logic charge pump current sense thermal sense comp vref deglitch reverse voltage current limit ilim * en is active low for mp65150 figure 3function block diagram
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev. 1.1 www.monolithicpower.com 7 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. typical performance characteristics v in = 5v, r ilim = 20k, r flag =10k, c out =100 f , t a =+25c, unless otherwise noted. supply current, output disabled vs. input voltage v en =0 static drain-source on-state resistance vs. input voltage v en =3.3v, i out =1a, tsot package input to output voltage vs. load current v en =3.3v short circuit response time vs. peak current v en =3.3v supply current, output enabled vs. input voltage v en =3.3v 80 90 100 110 120 130 2 2.5 3 3.5 4 4.5 5 5.5 6 input voltage (v) supply current (ua) -0.2 -0.1 0 0.1 0.2 2 2.5 3 3.5 4 4.5 5 5.5 6 input voltage (v) supply current (ua) 60 80 100 120 140 160 180 200 2 2.5 3 3.5 4 4.5 5 5.5 6 input voltage (v) 0 20 40 60 80 100 120 140 160 180 200 0 0.2 0.4 0.6 0.8 1 1.2 output current (a) input to output voltage (mv) v in =5.5v v in =5v v in =2.5v v in =3.3v v in =4.5v 0 0.5 1 1.5 2 2.5 3 2 2.5 3 3.5 4 4.5 5 5.5 6 input voltage (v) short current (a) 0 0.5 1 1.5 2 2.5 3 2 3 4 5 6 7 8 9 10 peak c u r r en t (a) static drain-source on-state resistance variation vs. ambient temperature v in =5v, i out =0.1a -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 -45 -30 -15 0 15 30 45 60 75 90
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev. 1.1 www.monolithicpower.com 8 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. typical performance characteristics (continued) v in = 5v, r ilim = 20k, r flag =10k, c out =100 f , t a =+25c, unless otherwise noted. v out 2v/div. v en 5v/div. i in 500ma/div. inrush current limit v out 2v/div. v en 5v/div. i in 500ma/div. v en 2v/div. i in 500ma/div. current limit device enabled v out 2v/div. v flag 5v/div. i out 1.00a/div. no load short inrush current current limit fault asserted after deglitch period v out 2v/div. v flag 5v/div. i in 1.00a/div. device turns off and re-enables into current-limit device begins thermal cycling output short circuit applied v out 2v/div. v flag 5v/div. i in 1.00a/div. fault de-asserted after deglitch period output short circuit removed v out 2v/div. v flag 5v/div. i in 1.00a/div. no load device enters current-limit device begins thermal cycling output short circuit applied v out 2v/div. v flag 5v/div. i in 1.00a/div. device thermal cycling when short-circuit presents fault de-asserted after deglitch period output short circuit removed v out 2v/div. v in 2v/div. i in 1.00a/div. reverse current until device turns off v out v in 5.5v applied to vout v in =5v device enabled device disabled fault asserted after deglitch period device thermal cycling when short-circuit presents fault asserted after deglitch period device shutdown due to reverse voltage
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev. 1.1 www.monolithicpower.com 9 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. typical performance characteristics (continued) v in = 5v, r ilim = 20k, r flag =10k, c out =100 f , t a =+25c, unless otherwise noted. v out 2v/div. v in 2v/div. i in 1.00a/div. device shutdown due to reverse voltage reverse-voltage recovery, power switch re-enables v in =5v 5.5v removed from vout v out =5.5v v out 2v/div. v flag 5v/div. i out 1.00a/div. ramp load fault asserted after deglitch period fault de-asserted after deglitch period no load inrush current limit device enabled ramp load removed ramp load applied v out 2v/div. v en 2v/div. i out 500ma/div. current limit
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev. 1.1 www.monolithicpower.com 10 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. detailed description the mp65150/mp65151 is a precision current limit power distribution switch which can provide up to 1.5a continuous output current. it allows the user to program the currentlimit between 60ma and 1.7a (typ) with 10% accuracy via an external resistor connected between ilim and gnd pins. the switch includes an nchannel power mosfet and an internal charge pump to generate the gate driver voltage which is higher than input. the charge pump can work from input as low as 2.5v. the device has builtin protection for both over current and increased thermal stress. for over current, the device will limit the current by changing to a constant current mode. it will shutdown when its internal temperature reaches unsafe levels and recover once the device temperature reduces approx 10 c. it provides builtin softstart which controls the rise and fall times of the output voltage to limit the initial inrush current and voltage surges. the reversevoltage protection feature turns off the mosfet to protect the device. the flag ________ output will report a fail mode (low level) when over current or over temperature is encountered. the flag ________ will not change state when the input uvlo is triggered. over current mp65150/mp65151 switches into to a constant current mode when responding to overcurrent conditions. it ramps the output current to current limit value i os and reduces the output voltage accordingly. mp65150/mp65151 will be thermal cycles only if the over current condition stays long enough to trigger thermal protection. trigger over current protection for different overload conditions occurring in applications: 1) the output has been shorted or overloaded before the device is enabled or input applied. mp65150/mp65151 detects the short or overload and switches into constantcurrent mode immediately. 2) a short or an overload occurs after the device is enabled. the device responds to the over current condition within time t ios . the current sense amplifier is overdriven, so high current may flow during this period of time and the internal currentlimit mosfet is disabled momentarily before the currentlimit circuit can react. then the currentsense amplifier recovers switches into constantcurrent mode. similar to the previous case, the mp65150/mp65151 will limit the current to i os until the overload condition is removed or the device entering thermal cycle. 3 output current has been gradually increased beyond the recommended operating current. the load current rises until the currentlimit threshold is reached or until the thermal limit of the device is exceeded. the mp65150/mp65151 is capable of delivering current up to the currentlimit without damaging the device. reversevoltage protection to prevent damage the device on the input side of mp65150/mp65151, the nchannel mosfet will be turned off immediately whenever the output voltage exceeds the input voltage by 135mv (typ). there is an internal comparator which compares the voltage difference betweens drain and source of nchannel mosfet. the reverse voltage protection circuit only activates when r ds(on) x i reverse >135mv, that means there must be a temporary large reverse current from output to input that can trigger the reverse voltage protection. after the comparator is triggered, the internal driver circuit starts to discharge the gate voltage via a constant current. it needs several milliseconds to fully turn off the nchannel mosfet. this protection could prevent significant current sinking into the input side. the mp65150/mp65151 exist the protection mode and enter to normal state once the reversevoltage condition is removed. no need to recycle the input power or enable logic. there is no reverse current flow through the switch at the condition of 0v input and 5.5v output whatever the enable is high or low.
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev. 1.1 www.monolithicpower.com 11 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. flag response the flag ________ pin is an open drain configuration. when over current or over temperature is encountered, flag ________ will report a fail mode (low level). for over current, 7.5ms deglitch timeout is needed. this is used to ensure that no false fault signal is reported. this internal deglitch circuit eliminates the need for components. for over temperature, the flag ________ pin is not deglitched. the flag ________ will not change state when the input uvlo is triggered. undervoltage lockout (uvlo) this circuit is used to monitor the input voltage t o ensure that the mp65150/mp65151 is operating correctly. this uvlo circuit also ensures that there is no operation until the input voltage reaches the minimum spec. builtin 130mv hysteresis prevents unwanted on/off power cycling due to input voltage drop from large current surges. enable the logic pin disables the chip to reduce the supply current. enable high activate the mp65151 while enable low activate the mp65150. the device will operate once the enable signal reaches the appropriate level. there is no hysteresis for enable pin. the input is compatible with both coms and ttl. thermal protection the purpose of thermal protection is to prevent damage in the ic by allowing exceptive current to flow and heat the junction. the die temperature is internally monitored by two independent thermal sensing circuits until the thermal limit is reached . the first thermal sensor turns off the power switch when the die temperature exceeds 135c (min) and the part is in current limit. the second thermal sensor turns off the powerswitch when the die temperature exceeds 155c (min) regardless of whether the switch is in current limi t. both two thermal sensors have builtin hysteresis. it will turn on the switch once it is cooled down 10c approximately . mp65150/mp65151 continues to cycle off and on until the fault is removed.
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev. 1.1 www.monolithicpower.com 12 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. application information powersupply considerations over 10f capacitor between in and gnd is recommended. this precaution reduces power supply transients that may cause ringing on the input and improves the immunity of the device to shortcircuit transients. in order to achieve smaller output load transient ripple, placing a highvalue electrolytic capacitor on the output pin is recommended when the load is heavy. a 0.01f to 0.1f ceramic bypassing capacitor is recommended to improve the immunity of the device to transient conditions and noise. gnd in ilim en out flag gnd vin en vout gnd mp65151 * * r flag 10k flag + r ilim pad * en is active low for mp65150 figure 4application circuit programming the currentlimit the currentlimit is programmed via an external resistor from ilim to gnd. the recommended 1% resistor range of r ilim is 12.4kr ilim 210k. the ilim pin can be connected to in to set the currentlimit at its minimum level of 60ma (typ). its important to consider the tolerance of current limit when selecting a value for r ilim . some applications require that the minimum current limit is above a certain current level, while some applications require the maximum current limit is below a certain current level. figure 5 can be used to calculate the current limit value for a given ilim resistor and also can be used to select ilim resistor for a certain current limit. r ilim can be selected to provide a current limit that occurs 1) above a minimum load current or 2) below a maximum load current. to determine above a minimum current limit, find the maximum desired load current on the i os(min) curve and choose a value of r ilim below this value. the resulting maximum current limit is the intersection of the selected value of r ilim and the i os(max) curve. to determine below a maximum current limit, find the maximum desired load current on the i os(max) curve and choose a value of r ilim above this value. the resulting minimum current limit is the intersection of the selected value of r ilim and the i os(min) curve. in theory, the result of current limit multiplied b y r ilim is a constant. but the internal amplifier has offset, as a result the current limit vs 1/r ilim is not linear at small programming resistor range. the theoretical current limit calculation formula is given as following: osnom 0.9248 ilim 18.818v i (a) r k = os min 0.9342 ilim 18.489v i (a) r k = os max 0.8944 ilim 18.229v i (a) r k = where: ilim 12.4k r 210k . for better accuracy current limit setting, table1 and figure5 are highly recommended. those curve or data are provided basing on large amount experimental test results.
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev.1.1 www.monolithicpower.com 13 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 10 30 40 50 20 90 100 110 120 130 140 60 70 80 180 190 200 150 160 170 210 current limit (a) i os(max) i os(nom) i os(min) figure 5currentlimit vs r ilim
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev.1.1 www.monolithicpower.com 14 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. table 1 shows the common r ilim vs. current limit data. 1% accuracy resistor is recommended for general applications. if a precision current limit is needed, its better to use more tightly tolerance resistors, e.g. 0.5% or 0.1%. resistor accuracy tolerance is not included in table 1. table1common r ilim resistor selections 1% accuracy resistor (k ) current limit (a) ios min ios nom ios max 12.4 1.690 1.749 1.830 13 1.627 1.700 1.769 15 1.473 1.533 1.603 15.8 1.408 1.467 1.538 16.9 1.311 1.370 1.441 18.2 1.242 1.293 1.352 20 1.099 1.190 1.277 21.5 1.060 1.130 1.220 23.2 1.013 1.053 1.098 26.1 0.908 0.947 0.991 28.7 0.823 0.861 0.938 32.4 0.736 0.772 0.843 37.4 0.619 0.650 0.715 43.2 0.550 0.579 0.637 49.9 0.485 0.510 0.547 52.3 0.470 0.495 0.535 66.5 0.370 0.391 0.433 88.7 0.268 0.286 0.324 133 0.185 0.198 0.226 210 0.126 0.135 0.150 short ilim to in 0.055 0.060 0.072 while the maximum recommended value of r ilim is 210k, there is one additional configuration that allows for a lower current limit . the ilim pin may be connected directly to in to provide a 60 ma (typ) current limit. autoretry function figure 6 shows an autoretry circuit implanted by an external resistor and capacitor. gnd in ilim en out flag input output c load r load power pad figure 6autoretry application v out 2v/div. v en 2v/div. i in 1a/div. figure 7autoretry waveform when overcurrent happens the flag ________ will report a low level, en is pulled down immediately and thus the part is shutdown. during the moment of en shutdown, the flag ________ changes to high impedance allowing c retry to begin charging. after a time delay determined by the rc constant, the en voltage reaches its turnon threshold and reenables the part. the part will continue to cycle in this manner until the fault condition is removed.
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches mp65150/mp65151 rev.1.1 www.monolithicpower.com 15 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. package information tqfn6 (2x2mm) side view top view 1 6 4 3 bottom view 1.90 2.10 0.90 1.10 1.90 2.10 1.50 1.70 0.65 bsc 0.25 0.35 0.70 0.80 0.00 0.05 0.20 ref pin 1 id marking 1.00 0.65 0.25 recommended land pattern 1.90 note: 1) all dimensions are in millimeters. 2) exposed paddle size does not include mold flas h. 3) lead coplanarity shall be 0.10 millimeter max. 4) jedec reference is mo229, variation vccc. 5) drawing is not to scale. pin 1 id chamfer 0.30x45o 1.60 0.60 0.20 0.30 pin 1 id index area
mp65150/mp65151 C60ma1.7a programmable currentlim ited power distribution switches notice: the information in this document is subject to cha nge without notice. users should warrant and guaran tee that third party intellectual property rights are not infringe d upon when integrating mps products into any appli cation. mps will not assume any legal responsibility for any said applic ations. mp65150/mp65151 rev. 1.1 www.monolithicpower.com 16 3/28/2011 mps proprietary information. patent prote cted. unauthorized photocopy and duplication prohib ited. ? 2011 mps. all rights reserved. tsot236 0.30 0.50 seating plane 0.95 bsc 0.84 0.90 1.00 max 0.00 0.10 top view front view side view recommended land pattern 2.80 3.00 1.50 1.70 2.60 3.00 1 3 4 6 0.09 0.20 note: 1) all dimensions are in millimeters. 2) package length does not include mold flash, protrusion or gate burr. 3) package width does not include interlead flash or protrusion. 4) lead coplanarity (bottom of leads after forming) shall be 0.10 millimeters max. 5) drawing conforms to jedec mo193, variation ab. 6) drawing is not to scale. 7) pin 1 is lower left pin when reading top mark fr om left to right, (see example top mark) 0.30 0.50 0 o 8 o 0.25 bsc gauge plane 2.60 typ 1.20 typ 0.95 bsc 0.60 typ see detail "a" detail a aaaa pin 1 see note 7 example top mark

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