cystech electronics corp. spec. no. : c508m3 issued date : 2006.07.12 revised date : 2013.08.12 page no. : 1/8 lm79lxxm3 cystek product specification low current negative voltage regulator lm79lxxm3 description the lm79lxxm3 series of negative regulators are available in the sot-89 package and with -5v, -6v, -8v,-9v, -12v, -15v, -18v and -24v fixed output voltages, making it useful in a wide range of applications. these regulators can provide local on-card regulation, eliminating the distribution problems associated with single point regulation. each type employs internal current limiting, thermal shut-down and safe operating area protection, making it essentially indestructible. if adequate heat sinking is provided, they can deliver over 100ma output current. although designed primarily as fixed voltage regulators, th ese devices can be used with external components to obtain adjustable voltages and currents. lm79lxxm3 is characterized for operation from 0 to 125 . features: ? internal short-circuit current limiting ? internal thermal overload protection ? no external components required ? pb-free lead plating package typical application representative schematic diagram lm79lxx vout vin 1 3 2 c1 0 .33f c2 0.1f a common ground is required between the input and the output voltages. the input voltage must remain typically 2.0v above the output voltage even during the low point 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. g i o sot-89
cystech electronics corp. spec. no. : c508m3 issued date : 2006.07.12 revised date : 2013.08.12 page no. : 2/8 lm79lxxm3 cystek product specification absolute maximum ratings parameter ratings unit lm79l05 ~ 09 -30 lm79l12 ~18 -35 input voltage lm79l24 -40 v output current 100 ma operating junction temperature range 0 ~ 125 storage temperature range -65 ~ 150 power dissipation 350 (note) mw note : when tested in free air condition, without heat sinking. electrical characteristics lm79l05 (vin=-10v, io=40ma, tj=0~125 c, cin=0.33 f, cout=0.1 f ,unless otherwise noted) (note 1) symbol parameter min typ max conditions units a-rank(3%) -4.85 -5 -5.15 vo b-rank(5%) output voltage -4.75 - -5.25 vin=-10v, io=40ma,tj=25 c -7v vin -20v, 1ma io 40ma vin=-10v, 1ma io 70ma (note 2) v vo line regulation - 15 150 -7v vin -20v, tj=25 c mv vo load regulation - 20 60 1ma io 100ma, tj=25 c mv iq quiescent current - - 6 vin=-10v, io=40ma, tj=25 c ma - - 1.5 -8v vin -20v iq quiescent current change - - 0.1 1ma io 40ma ma vn output noise voltage - 40 - 10hz f 100khz v vin / vout ripple rejection 41 49 - -8v vin -18v, f=120hz, tj=25 c db vd dropout voltage - 1.7 - io=100ma, tj=25 c v lm79l06 (vin=-11v, io=40ma, tj=0~125 c, cin=0.33 f, cout=0.1 f, unless otherwise noted) (note 1) symbol parameter min typ max conditions units a-rank(3%) -5.82 -6 -6.18 vo b-rank(5%) output voltage -5.70 - -6.30 vin=-11v, io=40ma,tj=25 c -8v vin -20v, 1ma io 40ma vin=-11v, 1ma io 70ma (note 2) v vo line regulation - 20 150 -8v vin -20v, tj=25 c mv vo load regulation - 21 60 vin=-11v, 1ma io 100ma, tj=25 c mv iq quiescent current - - 6 vin=-11v, io=40ma, tj=25 c ma - - 1.5 -9v vin -20v iq quiescent current change - - 0.1 1ma io 40ma ma vn output noise voltage - 44 - 10hz f 100khz v vin / vout ripple rejection 40 48 - -9v vin -19v, f=120hz, tj=25 c db vd dropout voltage - 1.7 - io=100ma, tj=25 c v
cystech electronics corp. spec. no. : c508m3 issued date : 2006.07.12 revised date : 2013.08.12 page no. : 3/8 lm79lxxm3 cystek product specification lm79l08 (vin=-14v, io=40ma, tj=0~125 c, cin=0.33 f, cout=0.1 f, unless otherwise noted) (note 1) symbol parameter min typ max conditions units a-rank(3%) -7.76 -8 -8.24 vo b-rank(5%) output voltage -7.60 - -8.40 vin=-14v, io=40ma,tj=25 c -10.5v vin -23v, 1ma io 40ma vin=-14v,1ma io 70ma (note 2) v vo line regulation - 42 175 -10.5v vin -23v, tj=25 c mv vo load regulation - 30 80 1ma io 100ma, tj=25 c mv iq quiescent current - - 6 vin=-14v, io=40ma, tj=25 c ma - - 1.5 -11v vin -23v iq quiescent current change - - 0.1 1ma io 40ma ma vn output noise voltage - 54 - 10hz f 100khz v vin / vout ripple rejection 37 46 - -11v vin -21v, f=120hz, tj=25 c db vd dropout voltage - 1.7 - io=100ma, tj=25 c v lm79l09 (vin=-15v, io=40ma, tj=0~125 c, cin=0.33 f, cout=0.1 f, unless otherwise noted) (note 1) symbol parameter min typ max conditions units a-rank(3%) -8.73 -9 -9.27 vo b-rank(5%) output voltage -8.55 - -9.45 vin=-15v, io=40ma,tj=25 c -11.5v vin -24v, 1ma io 40ma vin=-15v,1ma io 70ma (note 2) v vo line regulation - 42 200 -11.5v vin -24v, tj=25 c mv vo load regulation - 30 90 1ma io 100ma, tj=25 c mv iq quiescent current - - 6.0 vin=-15v, io=40ma, tj=25 c ma - - 1.5 -12v vin -24v iq quiescent current change - - 0.1 1ma io 40ma ma vn output noise voltage - 54 - 10hz f 100khz v vin / vout ripple rejection 37 46 - -12v vin -22v, f=120hz, tj=25 c db vd dropout voltage - 1.7 - io=100ma, tj=25 c v lm79l12 (vin=-19v, io=40ma, tj=0~125 c, cin=0.33 f, cout=0.1 f, unless otherwise noted) (note 1) symbol parameter min typ max conditions units a-rank(3%) -11.64 -12 -12.36 vo b-rank(5%) output voltage -11.40 - -12.60 vin=-19v, io=40ma,tj=25 c -14.5v vin -27v, 1ma io 40ma vin=-19v,1ma io 70ma (note 2) v vo line regulation - 50 250 -14.5v vin -27v, tj=25 c mv vo load regulation - 24 100 1ma io 100ma, tj=25 c mv iq quiescent current - - 6.5 vin=-19v, io=40ma, tj=25 c ma - - 1.5 -16v vin -27v iq quiescent current change - - 0.1 1ma io 40ma ma vn output noise voltage - 80 - 10hz f 100khz v vin / vout ripple rejection 37 42 - -15v vin -25v, f=120hz, tj=25 c db vd dropout voltage - 1.7 - io=100ma, tj=25 c v
cystech electronics corp. spec. no. : c508m3 issued date : 2006.07.12 revised date : 2013.08.12 page no. : 4/8 lm79lxxm3 cystek product specification lm79l15 (vin=-23v, io=40ma, tj=0~125 c, cin=0.33 f, cout=0.1 f, unless otherwise noted) (note 1) symbol parameter min typ max conditions units a-rank(3%) -14.55 -15 -15.45 vo b-rank(5%) output voltage -14.25 - -15.75 vin=-23v, io=40ma,tj=25 c -17.5v vin -30v, 1ma io 40ma vin=-23v,1ma io 70ma (note 2) v vo line regulation - 65 300 -17.5v vin -30v, tj=25 c mv vo load regulation - 25 150 1ma io 100ma, tj=25 c mv i q quiescent current - - 6.5 vin=-23v, io=40ma, tj=25 c ma - - 1.5 -20v vin -30v i q quiescent current change - - 0.1 1ma io 40ma ma vn output noise voltage - 90 - 10hz f 100khz v vin / vout ripple rejection 34 39 - -18.5v vin -28.5v, f=120hz, tj=25 c db v d dropout voltage - 1.7 - io=100ma, tj=25 c v lm79l18 (vin=-27v, io=40ma, tj=0~125 c, cin=0.33 f, cout=0.1 f, unless otherwise noted) (note 1) symbol parameter min typ max conditions units a-rank(3%) -17.46 -18 -18.54 vo b-rank(5%) output voltage -17.10 - -18.90 vin=-27v, io=40ma,tj=25 c -20.5v vin -33v, 1ma io 40ma vin=-27v,1ma io 70ma (note 2) v vo line regulation - 70 300 -20.5v vin -33v, tj=25 c mv vo load regulation - 27 170 1ma io 100ma, tj=25 c mv i q quiescent current - - 6.5 vin=-27v, io=40ma, tj=25 c ma - - 1.5 -21v vin -33v i q quiescent current change - - 0.1 1ma io 40ma ma vn output noise voltage - 150 - 10hz f 100khz v vin / vout ripple rejection 33 48 - -23v vin -33v, f=120hz, tj=25 c db v d dropout voltage - 1.7 - io=100ma, tj=25 c v lm79l24 (vin=-33v, io=40ma, tj=0~125 c, cin=0.33 f, cout=0.1 f, unless otherwise noted) (note 1) symbol parameter min typ max conditions units a-rank(3%) -23.28 -24 -24.72 vo b-rank(5%) output voltage -22.80 -25.20 vin=-33v, io=40ma,tj=25 c -27v vin -38v, 1ma io 40ma vin=-33v,1ma io 70ma (note 2) v vo line regulation - 90 350 -27v vin -38v, tj=25 c mv vo load regulation - 40 200 1ma io 100ma, tj=25 c mv iq quiescent current - - 6.5 vin=-33v, io=40ma ,tj=25 c ma - - 1.5 -28v vin -38v iq quiescent current change - - 0.1 1ma io 40ma ma vn output noise voltage - 200 - 10hz f 100khz v vin / vout ripple rejection 31 47 - -29v vin -35v, f=120hz, tj=25 c db vd dropout voltage - 1.7 - io=100ma, tj=25 c v note : 1. the maximum steady state usable output current is dependent on input voltage, heat sinking, lead length of the packag e and copper of pcb. the data above represent pulse test conditions with junction temperatures specified at the initial of test. 2. power dissipation<0.5w
cystech electronics corp. spec. no. : c508m3 issued date : 2006.07.12 revised date : 2013.08.12 page no. : 5/8 lm79lxxm3 cystek product specification ordering information device output voltage tolerance package shipping marking lm79lxxm3 a-rank 3% sot-89 (pb-free) 1000 pcs / tape & reel 79lxx lm79lxxm3 b-rank 5% sot-89 (pb-free) 1000 pcs / tape & reel 79lxx
cystech electronics corp. spec. no. : c508m3 issued date : 2006.07.12 revised date : 2013.08.12 page no. : 6/8 lm79lxxm3 cystek product specification typical characteristics
cystech electronics corp. spec. no. : c508m3 issued date : 2006.07.12 revised date : 2013.08.12 page no. : 7/8 lm79lxxm3 cystek product specification reel dimension carrier tape dimension
cystech electronics corp. spec. no. : c508m3 issued date : 2006.07.12 revised date : 2013.08.12 page no. : 8/8 lm79lxxm3 cystek product specification 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 0.0591 typ 1.50 typ b 0.1551 0.1673 3.94 4.25 g 0.1181 typ 3.00 typ c 0.0610 ref 1.55 ref h 0.0551 0.0630 1.40 1.60 d 0.0906 0.1024 2.30 2.60 i 0.0138 0.0173 0.35 0.44 e 0.0126 0.0205 0.32 0.52 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 . 3-lead sot-89 plastic surface mounted package cystek package code: m3 e f g c b a i d h 3 2 1 marking: style: pin 1. gnd 2. vin 3. vout 79l date code vout: 5v 05 6v 06 8v 08 9v 09 12v 12 15v 15 18v 18 24v 24
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