cystech electronics corp. spec. no. : c520l3 issued date : 2007.07.24 revised date :2008.03.19 page no. : 1/6 LM78M05L3 cystek product specification sot-223 three terminal medium current positive voltage regulators LM78M05L3 description these regulators employ internal current-limiting and thermal-sh utdown, making them essentially indestructible. they can deliver up to 500ma output current, if the case temperature can be kept at tc=25 c. they are intended as fixed voltage regulators in a wi de range of applications including local (on-card) regulation for elimination of noise and distribution pr oblems associated with single-point regulation. in addition, they can be used with power pass elemen ts to make high-current voltage regulators. the LM78M05L3 used as a zener diode/resistor combina tion replacement, offers an effective output impedance improvement of typically two orders of magnitude, along with lowe r quiescent current and lower noise. absolute maximum ratings (ta=25 c) ? input voltage??????????????????????????????????. 30 v ? total power dissipation????????????????????????. internally limited ? operating temperature range???????????????????????. 0 c to +125 c ? maximum junction temperature??????????????????????????125 c ? storage temperature range??????????????????????? -55 c to +150 c schematic diagram typical application 576 3.41k 3.89k 1.9k gnd 7.8k 13k 2.84k 5.7k 100 100 vin vout 2.23k 1.5k 5k 5p lm78m05 vout vin c1 c2 note: c1 and c2 are required if regulator is located far from power supply filter and load, or oscillation may induced on the loop.
cystech electronics corp. spec. no. : c520l3 issued date : 2007.07.24 revised date :2008.03.19 page no. : 2/6 LM78M05L3 cystek product specification ordering information device output voltage tolerance output voltage range shipping marking lm78m05al3 3% 4.85v ?5.15v 2500 pcs / tape& reel 7805 lm78m05bl3 5% 4.75v ?5.25v 2500 pcs / tape& reel 7805 electrical characteristics vin=10v, iout=350ma, p d 5w, 0 c tj 125 c, cin=0.33uf, cout=0.1uf (unless otherwise noted) lm78m05a symbol parameter conditions min typ max units tj=25 c 4.85 - 5.15 vo output voltage 5ma io 350ma and 7v vin 20v 4.75 - 5.25 v tj=25 c, 7v vin 25v - 3 100 vo line regulation tj=25 c, 8v vin 25v - - 50 mv tj=25 c, 5ma io 500ma - 15 100 vo load regulation tj=25 c, 5ma io 200ma - - 50 mv i q quiescent current tj=25 c - 3.2 6 ma 5ma io 350ma - - 0.5 i q quiescent current change 8v vin 25v, io=200ma - - 0.8 ma vn output noise voltage ta=25 c, 10hz f 10khz - 40 100 uv rr ripple rejection 8v vin 18v, io=300ma, f=120hz 62 78 - db v d dropout voltage tj=25 c, io=500ma - 2 - v i os output short circuit current tj=25 , vin=30v 300 ma i max peak output current tj=25 700 ma tcvo temperature coefficient of output voltage io=5ma -1.1 mv/
cystech electronics corp. spec. no. : c520l3 issued date : 2007.07.24 revised date :2008.03.19 page no. : 3/6 LM78M05L3 cystek product specification lm78m05b symbol parameter conditions min typ max units tj=25 c 4.75 5.00 5.25 vo output voltage 5ma io 350ma and 7v vin 20v 4.75 - 5.25 v tj=25 c, 7v vin 25v - 3 100 vo line regulation tj=25 c, 8v vin 25v - - 50 mv tj=25 c, 5ma io 500ma - 15 100 vo load regulation tj=25 c, 5ma io 200ma - - 50 mv i q quiescent current tj=25 c - 3.2 6 ma 5ma io 350ma - - 0.5 i q quiescent current change 8v vin 25v, io=200ma - - 0.8 ma vn output noise voltage ta=25 c, 10hz f 10khz - 40 100 uv rr ripple rejection 8v vin 18v, io=300ma, f=120hz 62 78 - db v d dropout voltage tj=25 c, io=500ma - 2 - v i os output short circuit current tj=25 , vin=30v 300 ma i max peak output current tj=25 700 ma tcvo temperature coefficient of output voltage io=5ma -1.1 mv/ moisture sensitivity level : conform to jedec level 3 recommended storage condition: temperature : 30 c humidity : 60% rh
cystech electronics corp. spec. no. : c520l3 issued date : 2007.07.24 revised date :2008.03.19 page no. : 4/6 LM78M05L3 cystek product specification reel dimension carrier tape dimension
cystech electronics corp. spec. no. : c520l3 issued date : 2007.07.24 revised date :2008.03.19 page no. : 5/6 LM78M05L3 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. : c520l3 issued date : 2007.07.24 revised date :2008.03.19 page no. : 6/6 LM78M05L3 cystek product specification sot-223 dimension *: typical 3-lead sot-223 plastic surface mounted package cystek package code: l3 321 f b a c d e g h a1 a2 i style: pin 1.input 2.gnd 3.output marking: date code device name 7805 inches millimeters inches millimeters 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: a194; tin plating ? 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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