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ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 1 of 16 www.diodes.com march 2012 ? diodes incorporated description the ap78lxx series is a three terminal positive regulator available with fixed output voltages from 5v, 8v and 12v, making them useful in a wi de range of applications. when used as a zener diode/resistor combination replacement, the ap78lxx can improve output impedance by two orders of magnitude, and lower quiescent current. these regulators can provide local on card regulation, eliminating the distribution problems associated with single point regulation. the voltages available allow the ap78lxx's to be used in logic systems. instrumentati on, hifi and other solid state electronic equipment. the ap78lxx is available in the plastic to92, sot89 and so-8 using industrial standard package technology. the regulator can deliver 100ma output current with adequate heat sinking. current limiting is included to limit the peak output current to a safe value. safe area protection for the output transistors is provided to limit internal power dissipation. thermal overload protection is integrated to prevent the ic from overheat due to abnormal condition. features ? output voltages of 5.0v, 8.0v, 12v ? output voltage tolerances of 5% over the operating temperature ranges ? output current in excess of 100ma ? internal thermal overload protection ? output transistor safe area protection ? internal short circuit current limiting ? no external components ? available in plastic to92, sot89 and plastic so-8 low profile packages ? lead free package: to92 (note 1) ? so-8 and sot89: available in ?green? molding compound (no br, sb) (note 2) ? lead free finish / rohs compliant (note 3) pin assignments gnd v out v in to92 (bottom view) so-8 (top view) v in gnd gnd nc gnd gnd v out nc 8 7 6 5 1 2 3 4 gnd ( to p view ) 123 sot8 9 v out v in applications ? communication ? cd-rom ? dvd-player ? set-top box notes: 1. to92 is available in ?lead free? product only. 2. so-8 and sot89 are available in ?green? products only. 3. eu directive 2002/95/ec (rohs) & 2011/65/eu (r ohs 2). all applicable rohs exemptions applied.
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 2 of 16 www.diodes.com march 2012 ? diodes incorporated typical application circuit fixed output regulator ap78lxx out in input output gnd c1 0.33f ? c2 0.1f ? (?) required if the regulator is located more than 3? from the power supply filter (?) see note 5 in the electrical characteristics table pin descriptions pin name description v in operating voltage input v out voltage output pin gnd ground nc no connection functional block diagram introduction the ap78lxx series is a three terminal device with fixed out put voltages from 5v,8v and 12v. the ap78lxx fixed voltage regulator series has built-in thermal overload protection which prevents the device from being damaged due to excessive junction temperature. the regulator also contains internal short-circuit protecti on which limits the maximum output current, an d safe-area protection for the pass transistor which reduces the shor t-circuit current as the voltage across the pass transistor is increased.
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 3 of 16 www.diodes.com march 2012 ? diodes incorporated absolute maximum ratings (t a = 25c) symbol parameter rating unit esd hbm human body model esd protection 3 kv esd mm machine model esd protection 250 v v cc supply voltage 30 v v out output voltage to ground ap78l05 5 v ap78l08 8 ap78l12 12 t st storage temperature -65 to +150 c t op operating junction temperature -20 to +125 c t mj maximum junction temperature 150 c recommended operating conditions (t a = 25 c) symbol parameter min max unit v in input voltage ap78l05 7 20 v ap78l08 10.5 23 ap78l12 14.5 27 i out output current 0 100 ma t a operating ambient te mperature -20 +85 o c
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 4 of 16 www.diodes.com march 2012 ? diodes incorporated ap78lxx electrical characteristics (all output voltage versions) limits in standard typeface are for t a = 25 , bold typeface applies over t j = -20c to +125c for to92, sot89 and so-8 packages. unless otherwise specified: i o = 40ma, c i = 0.33f, c o = 0.1f. ap78l05 unless otherwise specified, v in = 10v symbol parameter conditions min typ. max unit v o output voltage 4.8 5 5.2 v 7v d v in d 20v 1ma d i o d 40ma 4.75 5.25 1ma d i o d 70ma 4.75 5.25 ' v o line regulation 7v d v in d 20v 18 75 mv 8v d v in d 20v 10 54 ' v o load regulation 1ma d i o d 100ma 20 60 mv 1ma d i o d 40ma 5 30 i q quiescent current 3 5 ma ' i q quiescent current change 8v d v in d 20v 1.0 1ma d i o d 40ma 0.1 v n output noise voltage f = 10hz to 100khz (note 4) - 40 v ' v in / ' v out ripple rejection f = 120hz 8v d v in d 16v 47 62 db i pk peak output current 140 ma ' v o / ' t average output voltage tempco i o = 5ma -0.65 mv/ o c v in(min) minimum value of input voltage required to maintain line regulation 6.7 7 v ja thermal resistance junction to ambient to92 (note 5) 176 o c/w so-8 (note 6) 153 sot89 (note 7) 145 jc thermal resistance junction to case to92 (note 5) 33 so-8 (note 6) 18 sot89 (note 7) 25 notes: 4. recommend 0.01f minimum load capacita nce at output to suppress high frequency noise. 5. test conditions for to92: no heat sink, no air flow. 6. test conditions for so-8: device mounted on 2oz copper, minimum recommended pad layout, fr-4 pcb. 7. test conditions for sot89: device mounted on fr-4 substr ate pc board, 2oz copper, with minimum recommended pad layout.
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 5 of 16 www.diodes.com march 2012 ? diodes incorporated ap78lxx electrical characteristics (cont.) ap78l08 unless otherwise specified, v in = 14v symbol parameter conditions min typ. max unit v o output voltage 7.7 8 8.3 v 10.5v v in 23v 1ma i o 40ma 7.6 8.4 1ma i o 70ma 7.6 8.4 v o line regulation 10.5v v in 23v 42 175 mv 11v v in 23v 36 125 v o load regulation 1ma i o 100ma 18 80 mv 1ma i o 40ma 10 40 i q quiescent current 2 5.5 ma i q quiescent current change 11v v in 23v 1.5 1ma i o 40ma 0.1 v n output noise voltage f = 10hz to 100khz (note 4) - 54 v v in / v out ripple rejection f = 120hz 13v v in 23v 37 46 db i pk peak output current 140 ma v o / t average output voltage tempco i o = 5ma -0.8 mv/ o c v in(min) minimum value of input voltage required to maintain line regulation 9.7 v ja thermal resistance junction to ambient to92 (note 5) 176 o c/w so-8 (note 6) 153 sot89 (note 7) 157 jc thermal resistance junction to case to92 (note 5) 33 o c/w so-8 (note 6) 18 sot89 (note 7) 33 notes: 4. recommend 0.01f minimum load capacita nce at output to suppress high frequency noise. 5. test conditions for to92: no heat sink, no air flow. 6. test conditions for so-8: device mounted on 2oz copper, minimum recommended pad layout, fr-4 pcb. 7. test conditions for sot89: device mounted on fr-4 substr ate pc board, 2oz copper, with minimum recommended pad layout.
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 6 of 16 www.diodes.com march 2012 ? diodes incorporated ap78lxx electrical characteristics (cont.) ap78l12 unless otherwise specified, v in = 19v symbol parameter conditions min typ. max unit v o output voltage 11.5 12 12.5 v 14.5v v in 27v 1ma i o 40ma 11.4 12.6 1ma i o 70ma 11.4 12.6 v o line regulation 14.5v v in 27v 30 180 mv 16v v in 27v 20 110 v o load regulation 1ma i o 100ma 30 100 mv 1ma i o 40ma 10 50 i q quiescent current 3 5 ma i q quiescent current change 16v v in 27v 1 1ma i o 40ma 0.1 v n output noise voltage 80 v v in / v out ripple rejection f = 120hz 15v v in 25v 40 54 db i pk peak output current 140 ma v o / t average output voltage tempco i o = 5ma -1.0 mv/ o c v in(min) minimum value of input voltage required to maintain line regulation 13.7 14.5 v ja thermal resistance junction to ambient to92 (note 5) 176 o c/w so-8 (note 6) 153 sot89 (note 7) 145 jc thermal resistance junction to case to92 (note 5) 33 o c/w so-8 (note 6) 18 sot89 (note 7) 25 notes: 5. test conditions for to92: no heat sink, no air flow. 6. test conditions for so-8: device mounted on 2oz copper, minimum recommended pad layout, fr-4 pcb. 7. test conditions for sot89: device mounted on fr-4 substr ate pc board, 2oz copper, with minimum recommended pad layout.
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 7 of 16 www.diodes.com march 2012 ? diodes incorporated typical performance characteristics for ap78l05 51015202530 input-output differential (v) peak output current 350 300 250 200 150 100 50 0 o u t p u t c u r r en t (ma) v = 100mv out t = -25c a t = 25c a t = 150c a 51015202530 input voltage (v) quiescent current 4.0 3.8 3.2 3.0 2.6 2.2 2.0 q u ies c e n t c u r r e n t (ma) 3.6 3.4 2.8 2.4 v = 5v i = 40ma t = 25c out out a -25 0 25 50 75 125 junction temperature (c) quiescent current 100 3.4 3.3 3.0 2.9 2.7 2.5 2.4 q u ies c e n t c u r r e n t (ma) 3.2 3.1 2.8 2.6 v = 10v v = 5v i = 40ma in out out 10 100 1k 100k frequency (hz) ripple rejection 10k 100 60 0 ripple rejection (db) 80 40 20 v = 10v v = 5v i = 40ma t = 25c in out out a
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 8 of 16 www.diodes.com march 2012 ? diodes incorporated typical performance characteristics (cont.) for ap78l05 -25 0 25 50 75 125 junction temperature (c) dropout voltage 100 2.5 1.5 0.0 in p u t - o u t p u t diffe r en t ial (v) 2.0 1.0 0.5 dropout conditions v = 2% of v out out i = 40ma out i = 70ma out i = 1ma out
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 9 of 16 www.diodes.com march 2012 ? diodes incorporated typical performance characteristics for ap78l08 51015202530 input-output differential (v) peak output current 300 250 200 150 100 50 0 o u t p u t c u r r e n t (ma) 10 15 20 25 30 input voltage (v) quiescent current 2.80 2.71 2.62 q u ies c e n t c u r r e n t (ma) 2.75 2.67 -25 0 25 50 75 125 junction temperature (c) quiescent current 100 3. 2 3.1 2.9 2.8 2.5 2.4 q u ies c e n t c u r r e n t (ma) 3.0 2.7 2.6 v = 14v v = 8v i = 40ma in out out -25 0 25 50 75 125 junction temperature (c) dropout voltage 100 2.5 1.5 0.0 i n p u t - o u t p u t (v) 2.0 1.0 0.5
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 10 of 16 www.diodes.com march 2012 ? diodes incorporated typical performance characteristics (cont.) for ap78l12 14 18 22 26 30 input-output differential (v) peak output current 300 250 200 150 100 50 0 o u t p u t c u r r en t (ma) 10 15 20 25 30 input voltage (v) quiescent current 2.960 2.945 2.930 q u ies c e n t c u r r e n t (ma) 2.955 2.935 2.950 2.940 -25 0 25 50 75 125 junction temperature (c) quiescent current 100 3.2 3.1 2.9 2.8 2.5 q u ies c e n t c u r r e n t (ma) 3.0 2.7 2.6 v = 19v v = 12v i = 40ma in out out -25 0 25 50 75 125 junction temperature (c) dropout voltage 100 2.5 1.5 0.0 i n p u t - o u t p u t (v) 2.0 1.0 0.5
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 11 of 16 www.diodes.com march 2012 ? diodes incorporated lead-free ordering information ? ? package packing a : a mmo box lead free l : lead free (note 8) ap78l x x x x - x v : to92 s : so-8 y : sot89 13 : tape & reel g : green (note 9) output version 05 : 5v 08 : 8v 12 : 12v device package code packaging (note 10) ammo box / tube 13? tape and reel quantity part number suffix quantity part number suffix ap78lxxvl-a v to92 2000/box -a na na AP78LXXSG-13 s so-8 na na 2500/tape & reel -13 ap78lxxyg-13 y sot89 na na 2500/tape & reel -13 notes: 8. to92 is available in ?lead free? product only. 9. so-8 and sot89 are available in ?green? products only. 10. pad layout as shown on diodes inc. suggested pad layout document ap 02001, which can be found on our websit e at http://www.diodes.c om/datasheets/ap02001.pdf.
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 12 of 16 www.diodes.com march 2012 ? diodes incorporated marking information (1) to92 year : "7" = 2007 "8" = 2008 xth week: 01~52 ap78l xx internal code y ww x ( top view ) 123 x l : lead free ~ part number 05 : ap78l05 08 : ap78l08 12 : ap78l12 (2) so-8 ( top view ) ap78l xx yy ww x x logo part number 5 8 4 1 ww : week : 01~52; 52 yy : year : 08, 09,10~ g : green x : internal code represents 52 and 53 week 05 : ap78l05 08 : ap78l08 12 : ap78l12 (3) sot89 1 3 2 x x y w xx : identification code ( top view ) x y : year : 0~9 w : week : a~z : 1~26 week; x : internal code a~z : green a~z : 27~52 week; z represents 52 and 53 week device package identification code ap78l05 sot89 v2 ap78l08 sot89 v3 ap78l12 sot89 v4
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 13 of 16 www.diodes.com march 2012 ? diodes incorporated package outline dimensions (all dimensions in mm) (1) package type: to92 (2) to92 for ammo pack to92-3l dim min max typ a 3.45 3.66 - b 4.27 4.78 - b - - 0.38 c - - 0.38 d - - 3.87 e 4.32 4.83 ? e - - 1.27 e2 2.40 2.90 - l 12.98 15.00 - l1 12.80 15.00 - l2 0.80 - - l3 2.00 3.00 - n 1.22 1.37 - all dimensions in mm ejection mark loose product taped product ejection mark b e b e e d n c e2 e2 l1 e l2 l3 a
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 14 of 16 www.diodes.com march 2012 ? diodes incorporated package outline dimensions (cont.) (all dimensions in mm) (3) package type: so-8 (4) package type: sot89 so-8 dim min max a - 1.75 a1 0.10 0.20 a2 1.30 1.50 a3 0.15 0.25 b 0.3 0.5 d 4.85 4.95 e 5.90 6.10 e1 3.85 3.95 e 1.27 typ h - 0.35 l 0.62 0.82 0 8 all dimensions in mm sot89 dim min max a 1.40 1.60 b 0.44 0.62 b1 0.35 0.54 c 0.35 0.43 d 4.40 4.60 d1 1.52 1.83 e 2.29 2.60 e 1.50 typ e1 3.00 typ h 3.94 4.25 l 0.89 1.20 all dimensions in mm e d h l a c e 8 ( 4 x ) b1 b d1 r 0 . 2 0 0 e1 gauge plane seating plane detail ?a? detail ?a? e e1 h l d e b a2 a1 a 45 7 ~ 9 a3 0.254
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 15 of 16 www.diodes.com march 2012 ? diodes incorporated suggested pad layout (all dimensions in mm) (1) package type: so-8 (2) package type: sot89 dimensions value (in mm) x 0.60 y 1.55 c1 5.4 c2 1.27 dimensions value (in mm) x 0.900 x1 1.733 x2 0.416 y 1.300 y1 4.600 y2 1.475 y3 0.950 y4 1.125 c 1.500 x c1 c2 y y1 x1 y2 y c x (3x) y3 y4 x2 (2x)
ap78l05/08/12 ap78lxx series 3-terminal positive regulators ap78l05/08/12 document number: ds31054 rev. 10 - 2 16 of 16 www.diodes.com march 2012 ? diodes incorporated important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or ot her changes without further notice to this document and any product described herein. diodes incorporated does not assume any liabi lity arising out of the application or use of this document or any product described herein; neither does diodes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or user of this document or products desc ribed herein in such applications shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthoriz ed sales channel. should customers purchase or use diodes incorporated products for any unintended or unauthorized application, customers shall indemnify and hold diodes incorporated and its representatives harmless against all claims, damages, expenses, and attorney fee s arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized a pplication. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. life support diodes incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the chief executive officer of diodes incorporated. as used herein: a. life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. b. a critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of diodes incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporated and its representatives against any damages arising out of the use of diodes incorporated products in such safety-critical, life support devices or systems. copyright ? 2012, diodes incorporated www.diodes.com

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