cystech electronics corp. spec. no. : c518m3 issued date : 2003.04.02 revised date :2007.11.19 page no. : 1/5 LM78L09M3 cystek product specification low current positive voltage regulator LM78L09M3 sot-89 description the LM78L09M3 series of surface mount regulat ors are easy-to-use devices suitable for multitude of applications t hat require a regulated supply of up to 100ma. these regulators feature internal current limiting and t hermal shutdown, making them re markably rugged. no external components are required with the lm78l09m 3 devices in many applications. these devices offer a substantial performance advant age over the traditional zener diode resistor combination, as output impedance and quiescent current are substantially reduced. features: ? wide range of available, fixed output voltages ? internal short-circuit current limiting ? internal thermal overload protection ? no external components required absolute maximum ratings (ta=25 c) ? input volt age ................................................................................................................. ...... 30 v ? total power dissipation .................................................................................... interna lly limited ? operating temper ature r ange .......................................................................... 0 c to +125 c ? maximum junction temperatur e ..................................................................................... 125 c ? storage temperat ure range .......................................................................... -55 c to +150 c ? lead temperature (s oldering 10 s).................................................................................. 260 c typical application schematic diagram 1 2 a common ground is required between the input and the output voltages. the inpu t voltage must remain typically 2.0v above the output voltage even during the low poin t on the input ripple voltage. note : c1 and c2 are required if regulator is located far from power supply filter and load, or oscillation may induced on the loop. 576 3.41k 3.89k 7.8k 2.84k 13k 5pf 2.23k gnd 1.5k 1.9k 100 100 5k 5.7k vout vin lm78l09 vout vin 1 3 c1 c2
cystech electronics corp. spec. no. : c518m3 issued date : 2003.04.02 revised date :2007.11.19 page no. : 2/5 LM78L09M3 cystek product specification ordering information device rank output voltage tolerance LM78L09M3 a 3% LM78L09M3 b 5% electrical characteristics vin=15v, io=40ma, tj=25 c cin=0.33uf, cout=0.1uf (unless otherwise noted) lm78l09 a-rank symbol parameter conditions min typ max units tj=25 c 8.73 9 9.27 11.5v vin 24v 1ma io 40ma 8.55 9 9.45 vo output voltage 1ma io 70ma 8.55 9 9.45 v 11.5v vin 24v - - 200 vo line regulation 13v vin 24v - - 150 mv 1ma io 100ma - - 90 vo load regulation 1ma io 40ma - - 45 mv iq quiescent current ta = 2 5 c - - 5.5 ma 11.5v vin 24v - - 1.5 iq quiescent current change 1ma io 40ma - 0.1 ma vn output noise voltage ta = 2 5 c - 70 - uv vin / vout ripple rejection 15v vin 25v, f=120hz 38 44 - db ipk peak output current ta = 2 5 c - 140 - ma vd dropout voltage ta = 2 5 c - 1.7 - v lm78l09 b-rank symbol parameter conditions min typ max units tj=25 c 8.55 9 9.45 11.5v vin 24v 1ma io 40ma 8.55 9 9.45 vo output voltage 1ma io 70ma 8.55 9 9.45 v 11.5v vin 24v - - 200 vo line regulation 13v vin 24v - - 150 mv 1ma io 100ma - - 90 vo load regulation 1ma io 40ma - - 45 mv iq quiescent current ta = 2 5 c - - 5.5 ma 11.5v vin 24v - - 1.5 iq quiescent current change 1ma io 40ma - 0.1 ma vn output noise voltage ta = 2 5 c - 70 - uv vin / vout ripple rejection 15v vin 25v, f=120hz 38 44 - db ipk peak output current ta = 2 5 c - 140 - ma vd dropout voltage ta = 2 5 c - 1.7 - v
cystech electronics corp. spec. no. : c518m3 issued date : 2003.04.02 revised date :2007.11.19 page no. : 3/5 LM78L09M3 cystek product specification characteristic curves maximum average power dissipation 100 1000 10000 25 50 75 100 125 150 ambient temperature ( c) power dissipation (mw) quiescent current 0 0.5 1 1.5 2 2.5 3 3.5 4 0 5 10 15 20 25 30 35 input voltage(v) quiescent current(ma) quiescent current 2.6 2.8 3 3.2 3.4 05 01 0 01 ambient temperature( c) quiescent current(ma) 5 0
cystech electronics corp. spec. no. : c518m3 issued date : 2003.04.02 revised date :2007.11.19 page no. : 4/5 LM78L09M3 cystek product specification reel dimension carrier tape dimension
cystech electronics corp. spec. no. : c518m3 issued date : 2003.04.02 revised date :2007.11.19 page no. : 5/5 LM78L09M3 cystek product specification 78l05 sot-89 dimension *: typical inches millimeters inches millimeters dim min. max. min. max. dim min. max. min. max. a 0.1732 0.1811 4.40 4.60 f 0.0583 0.0598 1.48 1.527 b 0.1594 0.1673 4.05 4.25 g 0. 1165 0.1197 2.96 3.04 c 0.0591 0.0663 1.50 1.70 h 3-lead sot-89 plastic surface mounted package cystek package code: m3 e f g c b a i d h 3 2 1 style: pin 1. vout 2. gnd 3. vin 78l09 date code: year + month year : 6 (2006, 7 ( 2007, ?etc month : 1 (jan, 2 (feb,?, 9 ( sep, a (oct, b ( n ov , c ( dec lot code: 01~99 device n ame marking: 0.0551 0.0630 1.40 1.60 d 0.0945 0.1024 2.40 2.60 i 0.0138 0.0161 0.35 0.41 e 0.01417 0.0201 0.36 0.51 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 spec ification or packing method, please cont act your local cystek sales office. material: ? lead: 42 alloy ; solder 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 suitab le 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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