cystech electronics corp. spec. no. : c506l3 issued date : 2013.05.03 revised date : 2013.05.07 page no. : 1/8 LM78M05LL3 cystek product specification 1a low dropout positive voltage regulator LM78M05LL3 features description output current of 1a the LM78M05LL3 positive voltage regulator is low dropout, 1.4v max at 1a output cu rrent designed to provide 1a with high efficiency. all good noise rejection internal circuitry is designed to operate down to 1.4v output current limiting input to output differential. built-in thermal shutdown on-chip trimming adjusts the reference voltage to 1%. fast transient response typical current limit value of 1.5a allows to minimize pb-free lead plating package the stre ss on both the regulator and the power so urce can operate using mlccs in the capacitance circuitry under overload conditions. range of 2 f to 10 f applications high efficiency linear regulators post regulators for switching supplies adjustable power supply typical application data v out =5v v in >6.5v package information 1 2 3 pin name 1 input 2 gnd 3 output sot-223
cystech electronics corp. spec. no. : c506l3 issued date : 2013.05.03 revised date : 2013.05.07 page no. : 2/8 LM78M05LL3 cystek product specification absolute maximum ratings symbol parameter maximum units p d power dissipation internally limited w v in input voltage 20 v t opr operating junction temperature range -40 ~ +125 t stg storage temperature -65 ~ +150 t mj maximum junction temperature 150 v esd minimum esd rating (hbm) 3 kv ordering information device output voltage package shipping LM78M05LL3-0-t3-g 5.0v sot-223 (pb-free lead plating and halogen-free package) 2500 pcs/ tape & reel block diagram
cystech electronics corp. spec. no. : c506l3 issued date : 2013.05.03 revised date : 2013.05.07 page no. : 3/8 LM78M05LL3 cystek product specification electrical characteristics @ i o =10ma,t j =25 , unless otherwise specified paramete r s y mbol test conditions min t yp max units output voltage vo 6.5v v in 15v, 0ma v in 1a 4.900 5.000 5.100 v line regulation vo 6.5v v in 15v - - 0.2 % load regulation (note 1, 2) vo v in =6.5v, 10ma i o 1a - 10 20 mv dropout voltage (v in -v out ) v d i o =1a ( v out =1%v out ) - 1.2 1.4 v current limit imax v in =6.5v 1 1.5 2 a quiescent current i q v in =6.5v, 10ma i o 1a - 3.5 10 ma ripple rejection rr f=120hz, v in =7.5v, i o = 1a 60 - - db temperature coefficient of output voltage tcvo v in =6.5v, i o = 10ma - - 0.015 %/ c thermal resistance, junction to ambient( no heat sink, no air flow) ja - 117 - /w thermal resistance, junction to case jc control circuitry/ power transistor - 15 - /w note : 1.see thermal regulation specifications for changes in out put voltage due to heating effect s. line and load regulation are measured at a constant junction temperature by low duty cycle pulse testing. load regulation is measured at the output lead 1/18? from the package. 2. line and load regulation are guaranteed up to the maximum power dissipation of 3w. power dissipation is determi ned by the difference in input and output and the out put current. guaranteed maximum power dissipation will not be availa ble over the full input/output range.
cystech electronics corp. spec. no. : c506l3 issued date : 2013.05.03 revised date : 2013.05.07 page no. : 4/8 LM78M05LL3 cystek product specification characteristic curves
cystech electronics corp. spec. no. : c506l3 issued date : 2013.05.03 revised date : 2013.05.07 page no. : 5/8 LM78M05LL3 cystek product specification recommended soldering footprint
cystech electronics corp. spec. no. : c506l3 issued date : 2013.05.03 revised date : 2013.05.07 page no. : 6/8 LM78M05LL3 cystek product specification reel dimension carrier tape dimension
cystech electronics corp. spec. no. : c506l3 issued date : 2013.05.03 revised date : 2013.05.07 page no. : 7/8 LM78M05LL3 cystek product specification recommended wave soldering condition product peak temperature soldering time pb-free devices 260 +0/-5 c 5 +1/-1 seconds recommended temperature profile for ir reflow profile feature sn-pb eutectic assembly pb-free assembly average ramp-up rate (tsmax to tp) 3 c/second max. 3 c/second max. preheat ? temperature min(t s min) ? temperature max(t s max) ? time(ts min to ts max ) 100 c 150 c 60-120 seconds 150 c 200 c 60-180 seconds time maintained above: ? temperature (t l ) ? time (t l ) 183 c 60-150 seconds 217 c 60-150 seconds peak temperature(t p ) 240 +0/-5 c 260 +0/-5 c time within 5 c of actual peak temperature(tp) 10-30 seconds 20-40 seconds ramp down rate 6 c/second max. 6 c/second max. time 25 c to peak temperature 6 minutes max. 8 minutes max. note : all temperatures refer to topside of t he package, measured on the package body surface.
cystech electronics corp. spec. no. : c506l3 issued date : 2013.05.03 revised date : 2013.05.07 page no. : 8/8 LM78M05LL3 cystek product specification sot-223 dimension *: typical inches millimeters inches millimeters 321 f b a c d e g h a1 a2 i marking: device name 78m05l date code : (from left to right) 1 st code : year code, 1 2011, 2 2012, ?,etc. 2 nd code : month code, referring to the following table 3 rd and 4 th codes : production lot serial style: pin 1.input 2.gnd 3.output number , 01, 02, 03, ? etc month code : month 3-lead sot-223 plastic surface mounted package cystek package code: l3 jan feb mar apr may jun jul aug sep oct nov dec code a b c d e f g h j k l m dim min. max. min. max. dim min. max. min. max. a 0.1142 0.1220 2.90 3.10 g 0.0551 0.0709 1.40 1.80 b 0.2638 0.2874 6.70 7.30 h 0.0098 0.0138 0.25 0.35 c 0.1299 0.1457 3.30 3.70 i 0.0008 0.0039 0.02 0.10 d 0.0236 0.0315 0.60 0.80 a1 *13 o - *13 o - e *0.0906 - *2.30 - a2 0 o 10 o 0 o 10 o f 0.2480 0.2638 6.30 6.70 notes: 1.controlling dimension: millimeters. 2.maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material. 3.if there is any question with packing specification or packing method, please c ontact your local cystek sales office. material: ? lead: pure tin plated. ? mold compound: epoxy resin family, flammability solid burning class: ul94v-0. important notice: ? all rights are reserved. reproduction in whole or in part is prohibited without the prior written approval of cystek. ? cystek reserves the right to make changes to its products without notice. ? cystek semiconductor products are not warranted to be suitable for use in life-support applications, or systems. ? cystek assumes no liability for any consequence of customer pr oduct design, infringement of pat ents, or application assistance .
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