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1a 3-terminal positive voltage regulator as78xxa 1 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet figure 1. package types of as78xxa to-220-3 general description the as78xxa series are three terminal positive voltage regulators designed for a wide variety of appli- cations including local, on-card regulation. the as78xxa are complete with internal current lim- iting, thermal shutdown protection, and safe-area com- pensation which make them virtually immune from output overload. if adequate heat sinking are provided, these regulators can deliver output currents up to 1a. the as78xxa are available in to-252-2 (1), to- 252-2 (3), to-252-2 (4), to-220-3 and to-220f-3 packages. features output current up to 1a fixed output voltages of 5v, 6v, 8v, 9v, 12v, 15v and 18v output voltage accuracy of 4% over the full temperature range internal short circuit current limiting internal thermal ov erload protection output transistor safe-area protection low load regulation stable performance in high temperature applications high efficiency linear regulator post regulation for switching supply microprocessor power supply mother board to-252-2 (1) to-220f-3 to-252-2 (4) to-252-2 (3)
1a 3-terminal positive voltage regulator as78xxa 2 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet pin configuration pin description pin number pin name function 1 input voltage input 2 gnd ground 3 output voltage output figure 2. pin configurat ion of as78xxa (top view) t package (to-220-3) d package (to-252-2 (1)) 1 2 3 input output gnd input output 1 2 3 gnd tf package (to-220f-3) 1 2 3 output gnd input (to-252-2 (4)) 1 2 3 output input gnd (to-252-2 (3)) 1 2 3 input output gnd
1a 3-terminal positive voltage regulator as78xxa 3 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet functional block diagram figure 3. functional block diagram of as78xxa r9 r7 r4 r3 r5 c1 r11 r19 r18 r14 r15 d1 zener r16 r17 r20 r23 r21 r2 2 output input r12 r2 r1 q23 q6 q3 q9 q14 q18 q21 q22 q24 q16 q2 q1 q4 q11 q7 q10 q8 q5 r8 r10 r6 r13 c2 q12 q15 q13 q17 q19 q20 gnd 3 2 1
1a 3-terminal positive voltage regulator as78xxa 4 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet output voltage package tempera- ture range part number marking id packing type lead free green lead free green to-220-3 -40 to 125 o c as7805at-e1 as7805at-g1 as7805at-e1 as7805at-g1 tube AS7806AT-E1 as7806at-g1 AS7806AT-E1 as7806at-g1 tube as7808at-e1 as7808at-g1 as7808at-e1 as7808at-g1 tube as7809at-e1 as7809at-g1 as7809at-e1 as7809at-g1 tube as7812at-e1 as7812at-g1 as7812at-e1 as7812at-g1 tube as7815at-e1 as7815at-g1 as7815at-e1 as7815at-g1 tube as7818at-e1 as7818at-g1 as7818at-e1 as7818at-g1 tube to-220f-3 -40 to 125 o c as7805atf-e1 as7805atf-g1 as7805atf-e1 as7805atf-g1 tube as7806atf-e1 as7806atf-g1 as7806atf-e1 as7806atf-g1 tube as7808atf-e1 as7808atf-g1 as7808atf-e1 as7808atf-g1 tube as7809atf-e1 as7809atf-g1 as7809atf-e1 as7809atf-g1 tube as7812atf-e1 as7812atf-g1 as7812atf-e1 as7812atf-g1 tube as7815atf-e1 as7815atf-g1 as7815atf-e1 as7815atf-g1 tube as7818atf-e1 as7818atf-g1 as7818atf-e1 as7818atf-g1 tube ordering information circuit type package as78xxa t: to-220-3 - e1: lead free d: to-252-2 (1)/to-252-2 (3) tr: tape and reel blank: tube 05: 5v 12: 12v 15: 15v 08: 8v 09: 9v 18: 18v g1: green tf: to-220f-3 06: 6v /to-252-2 (4)
1a 3-terminal positive voltage regulator as78xxa 5 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet ordering information (continued) package tempera- ture range part number marking id packing type lead free green lead free green to-252-2 (1)/ to-252-2 (3)/ to-252-2 (4) -40 to 125 o c as7805ad-e1 as7805ad-g1 as7805ad-e1 as7805ad-g1 tube as7805adtr-e1 as7805adtr-g1 as7805ad-e1 as7805ad-g1 tape & reel as7806ad-e1 as7806ad-g1 as7806ad-e1 as7806ad-g1 tube as7806adtr-e1 as7806adtr-g1 as7806ad-e1 as7806ad-g1 tape & reel as7808ad-e1 as7808ad-g1 as7808ad-e1 as7808ad-g1 tube as7808adtr-e1 as7808adtr-g1 as7808ad-e1 as7808ad-g1 tape & reel as7809ad-e1 as7809ad-g1 as7809ad-e1 as7809ad-g1 tube as7809adtr-e1 as7809adtr-g1 as7809ad-e1 as7809ad-g1 tape & reel as7812ad-e1 as7812ad-g1 as7812ad-e1 as7812ad-g1 tube as7812adtr-e1 as7812adtr-g1 as7812ad-e1 as7812ad-g1 tape & reel as7815ad-e1 as7815ad-g1 as7815ad-e1 as7815ad-g1 tube as7815adtr-e1 as7815adtr-g1 as7815ad-e1 as7815ad-g1 tape & reel as7818ad-e1 as7818ad-g1 as7818ad-e1 as7818ad-g1 tube as7818adtr-e1 as7818adtr-g1 as7818ad-e1 as7818ad-g1 tape & reel bcd semiconductor's pb-free products, as designated with "e1" suffix in the part number, are rohs compliant. products with "g1" suffix are available in green packages.
1a 3-terminal positive voltage regulator as78xxa 6 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet recommended operating conditions parameter symbol min max unit input voltage as7805a v in 25 v as7806a 26 as7808a 28 as7809a 29 as7812a 32 as7815a 32 as7818a 32 operating junction temperature range t j -40 125 o c absolute maximum ratings (note 1) parameter symbol value unit input voltage v in 36 v lead temperature (soldering, 10sec) t lead 260 o c power dissipation p d internally limited w operating junction temperature t j 150 o c storage temperature range t stg -65 to 150 o c thermal resistance ja to-220-3 60 o c/w to-252-2 (1)/to-252-2 (3)/to-252-2 (4) 100 to-220f-3 60 esd (human body model) esd 6000 v esd (machine model) esd 500 v note 1: stresses greater than those listed under "absolute maximum ratings" may cause permanent damage to the device. these are stress ratings only, and functional op eration of the device at these or any other conditions beyond those indicated under "recomme nded operating conditions" is not im plied. exposure to "absolute max- imum ratings" for extended periods may affect device reliability.
1a 3-terminal positive voltage regulator as78xxa 7 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet parameter symbol conditions min typ max unit output voltage v out t j =25 o c 4.9 5 5.1 v i out =5ma to 1a, v in =7.5v to 20v, p d 15w 4.8 5.2 line regulation v rline v in =7.5v to 20v, i out =500ma, t j =25 o c 25 50 mv load regulation v rload v in =10v, i out =5ma to 1a, t j =25 o c 20 50 mv quiescent current i q v in =10v, i out =0 3.2 6 ma quiescent current change i q v in =8v to 25v, i out =500ma, t j =25 o c 0.3 0.8 ma i out =5ma to 1a, t j =25 o c 0.08 0.5 ripple rejection psrr v in =8v to 18v, f=120hz, i out =500ma 70 db dropout voltage v drop v out =1%, i out =1a, t j =25 o c 2v output noise voltage n o f=10hz to 100khz, t a =25 o c 10 v/v o output resistance r o f=1khz 10 m short circuit current i sc v in =35v, t a =25 o c 0.05 a peak output current i pk v in =10v, t j =25 o c 2.2 a output voltage temperature coefficient v out / t 0.4 mv/ o c ( v out /v out )/ t 80 ppm/ o c thermal resistance jc to-220-3 9 o c/w to-252-2 (1)/to-252-2 (3)/to-252-2 (4) 16 to-220f-3 9 electrical characteristics as7805a ( v in =10v, i out =1a, t j =-40 to 125 o c, unless otherwise specified.)
1a 3-terminal positive voltage regulator as78xxa 8 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet parameter symbol conditions min typ max unit output voltage v out t j =25 o c 5.88 6 6.12 v i out =5ma to 1a, v in =8.6v to 21v, p d 15w 5.76 6.24 line regulation v rline v in =8.6v to 21v, i out =500ma, t j =25 o c 25 60 mv load regulation v rload v in =11v, i out =5ma to 1a, t j =25 o c 20 60 mv quiescent current i q v in =11v, i out =0 3.2 6 ma quiescent current change i q v in =8.6v to 21v, i out =500ma, t j =25 o c 0.3 0.8 ma i out =5ma to 1a, t j =25 o c 0.08 0.5 ripple rejection psrr v in =9.5v to 19.5v, f=120hz, i out =500ma 65 db dropout voltage v drop v out =1%, i out =1a, t j =25 o c 2v output noise voltage n o f=10hz to 100khz, t a =25 o c 10 v/v o output resistance r o f=1khz 10 m short circuit current i sc v in =35v, t a =25 o c 0.2 a peak output current i pk v in =11v, t j =25 o c 2.2 a output voltage temperature coefficient v out / t 0.5 mv/ o c ( v out /v out )/ t 80 ppm/ o c thermal resistance jc to-220-3 9 o c/w to-252-2 (1)/to-252-2 (3)/to-252-2 (4) 16 to-220f-3 9 electrical characteristics (continued) as7806a ( v in =11v, i out =1a, t j =-40 to 125 o c, unless otherw ise specified.)
1a 3-terminal positive voltage regulator as78xxa 9 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet electrical characteristics (continued) parameter symbol conditions min typ max unit output voltage v out t j =25 o c 7.84 8 8.16 v i out =5ma to 1a, v in =10.6v to 23v, p d 15w 7.7 8.3 line regulation v rline v in =10.6v to 23v, i out =500ma, t j =25 o c 25 75 mv load regulation v rload v in =14v, i out =5ma to 1a, t j =25 o c 25 75 mv quiescent current i q v in =14v, i out =0 3.2 6 ma quiescent current change i q v in =10.6v to 23v, i out =500ma, t j =25 o c 0.3 0.8 ma i out =5ma to 1a, t j =25 o c 0.08 0.5 ripple rejection psrr v in =11.5v to 21.5v, f=120hz, i out =500ma 62 db dropout voltage v drop v out =1%, i out =1a, t j =25 o c 2v output noise voltage n o f=10hz to 100khz, t a =25 o c 10 v/v o output resistance r o f=1khz 10 m short circuit current i sc v in =35v, t a =25 o c 0.2 a peak output current i pk v in =14v, t j =25 o c 2.2 a output voltage temperature coefficient v out / t 0.64 mv/ o c ( v out /v out )/ t 80 ppm/ o c thermal resistance jc to-220-3 9 o c/w to-252-2 (1)/to-252-2 (3)/to-252-2 (4) 16 to-220f-3 9 as7808a ( v in =14v, i out =1a, t j =-40 to 125 o c, unless otherwise specified.)
1a 3-terminal positive voltage regulator as78xxa 10 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet electrical characteristics (continued) parameter symbol conditions min typ max unit output voltage v out t j =25 o c 8.82 9 9.18 v i out =5ma to 1a, v in =11.5v to 23v, p d 15w 8.65 9.35 line regulation v rline v in =11.5v to 23v, i out =500ma, t j =25 o c 25 90 mv load regulation v rload v in =14v, i out =5ma to 1a, t j =25 o c 25 100 mv quiescent current i q v in =15v, i out =0 3.2 6 ma quiescent current change i q v in =11.5v to 23v, i out =500ma, t j =25 o c 0.3 0.8 ma i out =5ma to 1a, t j =25 o c 0.08 0.5 ripple rejection psrr v in =11.5v to 21.5v, f=120hz, i out =500ma 61 db dropout voltage v drop v out =1%, i out =1a, t j =25 o c 2v output noise voltage n o f=10hz to 100khz, t a =25 o c 10 v/v o output resistance r o f=1khz 10 m short circuit current i sc v in =35v, t a =25 o c 0.2 a peak output current i pk v in =15v, t j =25 o c 2.2 a output voltage temperature coefficient v out / t 0.72 mv/ o c ( v out /v out )/ t 80 ppm/ o c thermal resistance jc to-220-3 9 o c/w to-252-2 (1)/to-252-2 (3)/to-252-2 (4) 16 to-220f-3 9 as7809a ( v in =15v, i out =1a, t j =-40 to 125 o c, unless otherwise specified.)
1a 3-terminal positive voltage regulator as78xxa 11 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet electrical characteristics (continued) parameter symbol conditions min typ max unit output voltage v out t j =25 o c 11.75 12 12.25 v i out =5ma to 1a, v in =14.8v to 27v, p d 15w 11.5 12.5 line regulation v rline v in =14.8v to 27v, i out =500ma, t j =25 o c 25 120 mv load regulation v rload v in =19v, i out =5ma to 1a, t j =25 o c 40 120 mv quiescent current i q v in =19v, i out =0 3.4 6 ma quiescent current change i q v in =14.8v to 30v, i out =500ma, t j =25 o c 0.3 0.8 ma i out =5ma to 1a, t j =25 o c 0.08 0.5 ripple rejection psrr v in =15v to 25v, f=120hz, i out =500ma 60 db dropout voltage v drop v out =1%, i out =1a, t j =25 o c 2v output noise voltage n o f=10hz to 100khz, t a =25 o c 10 v/v o output resistance r o f=1khz 11 m short circuit current i sc v in =35v, t a =25 o c 0.2 a peak output current i pk v in =18v, t j =25 o c 2.2 a output voltage temperature coefficient v out / t 0.96 mv/ o c ( v out /v out )/ t 80 ppm/ o c thermal resistance jc to-220-3 9 o c/w to-252-2 (1)/to-252-2 (3)/to-252-2 (4) 16 to-220f-3 9 as7812a ( v in =19v, i out =1a, t j =-40 to 125 o c, unless otherwise specified.)
1a 3-terminal positive voltage regulator as78xxa 12 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet electrical characteristics (continued) parameter symbol conditions min typ max unit output voltage v out t j =25 o c 14.7 15 15.3 v i out =5ma to 1a, v in =17.9v to 30v, p d 15w 14.4 15.6 line regulation v rline v in =17.9v to 30v, i out =500ma, t j =25 o c 35 150 mv load regulation v rload v in =23v, i out =5ma to 1a, t j =25 o c 70 150 mv quiescent current i q v in =23v, i out =0 3.4 6 ma quiescent current change i q v in =17.9v to 30v, i out =500ma, t j =25 o c 0.3 0.8 ma i out =5ma to 1a, t j =25 o c 0.08 0.5 ripple rejection psrr v in =18.5v to 28.5v, f=120hz, i out =500ma 58 db dropout voltage v drop v out =1%, i out =1a, t j =25 o c 2v output noise voltage n o f=10hz to 100khz, t a =25 o c 10 v/v o output resistance r o f=1khz 11 m short circuit current i sc v in =35v, t a =25 o c 0.2 a peak output current i pk v in =21v, t j =25 o c 2.2 a output voltage temperature coefficient v out / t 1.2 mv/ o c ( v out /v out )/ t 80 ppm/ o c thermal resistance jc to-220-3 9 o c/w to-252-2 (1)/to-252-2 (3)/to-252-2 (4) 16 to-220f-3 9 as7815a ( v in =23v, i out =1a, t j =-40 to 125 o c, unless otherwise specified.)
1a 3-terminal positive voltage regulator as78xxa 13 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet electrical characteristics (continued) parameter symbol conditions min typ max unit output voltage v out t j =25 o c 17.64 18 18.36 v i out =5ma to 1a, v in =21v to 33v, p d 15w 17.3 18.7 line regulation v rline v in =21v to 33v, i out =500ma, t j =25 o c 45 180 mv load regulation v rload v in =27v, i out =5ma to 1a, t j =25 o c 85 180 mv quiescent current i q v in =27v, i out =0 3.6 6 ma quiescent current change i q v in =21v to 33v, i out =500ma, t j =25 o c 0.3 0.8 ma i out =5ma to 1a, t j =25 o c 0.08 0.5 ripple rejection psrr v in =22v to 32v, f=120hz, i out =500ma 57 db dropout voltage v drop v out =1%, i out =1a, t j =25 o c 2v output noise voltage n o f=10hz to 100khz, t a =25 o c 10 v/v o output resistance r o f=1khz 11 m short circuit current i sc v in =35v, t a =25 o c 0.2 a peak output current i pk v in =24v, t j =25 o c 2.2 a output voltage temperature coefficient v out / t 1.44 mv/ o c ( v out /v out )/ t 80 ppm/ o c thermal resistance jc to-220-3 9 o c/w to-252-2 (1)/to-252-2 (3)/to-252-2 (4) 16 to-220f-3 9 as7818a ( v in =27v, i out =1a, t j =-40 to 125 o c, unless otherwise specified.)
1a 3-terminal positive voltage regulator as78xxa 14 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet typical performance characteristics figure 4. peak output current vs. input/output differential voltage figure 5. output voltage vs. junction temperature 3 6 9 1215182124 0.0 0.5 1.0 1.5 2.0 2.5 t j =-40 o c t j =25 o c t j =125 o c peak output current (a) v in -v out (v) as7805a -40 -20 0 20 40 60 80 100 120 4.850 4.875 4.900 4.925 4.950 4.975 5.000 5.025 5.050 as7805a v in =10v i out =10ma i out =1a output voltage (v) junction temperature ( o c) 0 200 400 600 800 1000 1200 1400 4.850 4.875 4.900 4.925 4.950 4.975 5.000 5.025 5.050 as7805a v in =10v, t j =25 o c output voltage (v) output current (ma) figure 6. output voltage vs. output current figure 7. output voltage vs. input voltage 8 1012141618202224 4.850 4.875 4.900 4.925 4.950 4.975 5.000 5.025 5.050 as7805a i out =500ma, t j =25 o c i out =500ma, t j =75 o c i out =1a, t j =25 o c output voltage (v) input voltage (v)
1a 3-terminal positive voltage regulator as78xxa 15 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet typical performance ch aracteristics (continued) figure 8. quiescent current vs. junction temperature figure 9. ripple rejection vs. frequency -40-20 0 20406080100120 0 1 2 3 4 5 6 as7805a v in =10v, i out =0 quiescent current (ma) junction temperature ( o c) 10 100 1k 10k 100k 1m 0 20 40 60 80 100 ripple rejection (db) frequency (hz) as7805a figure 10. dropout voltage vs. junction temperature figure 11. power dissipation vs. junction temperature -40 -20 0 20 40 60 80 100 120 0.0 0.5 1.0 1.5 2.0 2.5 as7805a i out =100ma i out =500ma i out =1a dropout voltage (v) junction temperature ( o c) -40-20 0 20406080100120 0 5 10 15 20 25 30 as7805a package: to-220-3 heatsink: 60*43mm 2 power dissipation (w) junction temperature ( o c)
1a 3-terminal positive voltage regulator as78xxa 16 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet typical performance ch aracteristics (continued) i out (1a/div) 100 0 v out (100mv/div) 0 1 figure 13. load transient time (40 s/div) (conditions: v in =10v, c in =0.33 f, c out =0.1 f) as7805a 0.005a 2 -1 -100 -200 v out (50mv/div) 0 -50 figure 12. line transient v in (5v/div) time (100 s/div) (conditions: i out =500ma, c out =0.1 f) as7805a 10 15 -100 -150 20 25
1a 3-terminal positive voltage regulator as78xxa 17 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet typical application figure 14. typical application of as78xxa 0.1 f 0.33 f as78xxa gnd input output v in v out
1a 3-terminal positive voltage regulator as78xxa 18 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet mechanical dimensions to-220-3 unit: mm(inch) 3.560(0.140) 1 4 . 2 3 0 ( 0 . 5 6 0 ) 1.160(0.046) 0. 813(0.032) 8 . 7 6 3 ( 0 . 3 4 5 ) 2. 540(0.100) 0.356 (0.014) 2.080(0. 082) 3 7 3. 560(0.140) 7 9. 660(0.380) 0. 550(0. 022) 60 0. 381(0.015) 2 . 5 8 0 ( 0 . 1 0 2 ) 6 0 8 . 5 2 0 ( 0 . 3 3 5 ) 1. 500(0.059) 0.200(0. 008) 1 . 8 5 0 ( 0 . 0 7 3 ) 2. 540(0. 100) 0. 381(0. 015) 0.610 (0.024) 3 . 3 8 0 ( 0 . 1 3 3 ) 10.660(0.420) 4.060(0.160) 1. 350(0. 053) 2 7 . 8 8 0 ( 1 . 0 9 8 ) 3 0 . 2 8 0 ( 1 . 1 9 2 ) 9 . 5 2 0 ( 0 . 3 7 5 ) 1 6 . 5 1 0 ( 0 . 6 5 0 ) 4. 820(0.190) 2.880(0. 113) 1.760(0.069)
1a 3-terminal positive voltage regulator as78xxa 19 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet 4. 300(0.169) 0. 450(0. 018) 0. 600(0. 024) 2. 540(0.100) 9.700(0. 382) 10.300(0. 406) 6.900(0. 272) 7.100(0. 280) 3. 000(0. 119) 3. 400(0. 134) 14. 700(0. 579) 16. 000(0. 630) 1.000(0. 039) 1.400(0. 055) 1. 100(0.043) 1. 500(0.059) 2.790(0.110) 4.500(0.177) 12. 500(0.492) 13. 500(0.531) 0.550(0. 022) 0.900(0. 035) 2. 540(0. 100) 3.000(0.119) 3.550(0.140) 3. 370(0. 133) 3. 900(0. 154) 2. 350(0. 093) 2. 900(0. 114) 4. 900(0.193) 2.520(0.099) 2.920(0.115) [ mechanical dimens ions (continued) to-220f-3 unit: mm(inch)
1a 3-terminal positive voltage regulator as78xxa 20 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet mechanical dimens ions (continued) to-252-2 (1) unit: mm(inch) 1.350(0.053) 1.650(0.065) 0.600(0.024) 0.900(0.035) 4.500(0.177) 4.700(0.185) 3 4 3.800ref(0.150ref) 4.800(0.189) 6.500(0.256) 4.300(0.169) 5.400(0.213) 1.400(0.055) 1.780(0.070) 0.000(0.000) 0.127(0.005) 0.450(0.018) 0.580(0.023) 2.300typ 9.500(0.374) 9.900(0.390) 0.700(0.028) 0.900(0.035) 0.500(0.020) 0.700(0.028) 5.200(0.205) 5.400(0.213) 6.450(0.254) 6.650(0.262) 2.550(0.100) 2.900(0.114) 5.450(0.215) 6.250(0.246) 2.200(0.087) 2.400(0.094) 5 5 8 0.450(0.018) 0.580(0.023)
1a 3-terminal positive voltage regulator as78xxa 21 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet mechanical dimens ions (continued) to-252-2 (3) unit: mm(inch) 1.290.1 2.900ref 1 .400(0.05 5 ) 1 .700(0.06 7 ) 0.470(0.019) 0.600(0.024) 5 9 0 8 9.800(0.386) 10.400(0.409) 2.200(0.087) 2.380(0. 094) 0.900(0.035) 1.100(0. 043) 4.700ref 6.500(0. 256) 6.700(0. 264) 5.130(0.202) 5.460(0.215) 0.150(0.006) 0.750(0.030) 6.000(0.236 ) 6.200(0.244 ) 0.720(0.028) 0.850(0.033) 2.286(0. 090) bsc 0.720(0.028) 0.900(0. 035) 0.900(0.035) 1.250(0.049) 1.800ref 8 0 0.600(0. 0 24) 1.000(0.039) 7 3 9 5 5.250ref option 1 option 2
1a 3-terminal positive voltage regulator as78xxa 22 dec. 2012 rev. 2. 3 bcd semiconductor manufacturing limited data sheet mechanical dimens ions (continued) to-252-2 (4) unit: mm(inch) 5.460(0.215) 4.960(0.195) 6.350(0.250) 6.730(0.265) 1.200.05 1.900(0.075) 1.700(0.067) 6.220(0.245) 5.970(0.235) 1.270(0.050) 0.890(0.035) 1.492(0.059) 1.145(0.045) 1.010(0.040) 1.124(0.044) 0.765(0.030) 2.290(0.090) 0.640(0.025) 0.884(0.035) max bsc 10.340(0.407) 9.940(0.391) 0.600(0.024) 0.460(0.018) 2.380(0.094) 2.180(0.086) 4.320(0.170) min min 5.210(0.205) 15 0 3 3 0.780(0.031) 0.650(0.026) 0.884(0.035) 0.640(0.025) 0.460(0.018) 0.610(0.024) 0.410(0.016) 0.560(0.022) detail a 2.160(0.085) min base metal plating section b-b 0.020(0.001) 0.120(0.005) 2.740(0.108) 1.500(0.059) ref 1.780(0.070) 0 10 seating plane gauge plane b b
important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing co., ltd. 800 yi shan road, shanghai 200233, china tel: +86-21-6485 1491, fax: +86-21-5450 0008 main site regional sales office shenzhen office shanghai sim-bcd semiconductor manuf acturing co., ltd., shenzhen office unit a room 1203, skyworth bldg., gaoxin ave.1.s., nanshan district, shenzhen, china tel: +86-755-8826 7951 fax: +86-755-8826 7865 taiwan office bcd semiconductor (taiwan) company limited 4f, 298-1, rui guang road, nei-hu district, taipei, taiwan tel: +886-2-2656 2808 fax: +886-2-2656 2806 usa office bcd semiconductor corp. 30920 huntwood ave. hayward, ca 94544, usa tel : +1-510-324-2988 fax: +1-510-324-2788 - headquarters bcd semiconductor manufacturing limited no. 1600, zi xing road, shanghai zizhu sc ience-based industrial park, 200241, china tel: +86-21-24162266, fax: +86-21-24162277 bcd semiconductor manufacturing limited important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing limited 800, yi shan road, shanghai 200233, china tel: +86-21-6485 1491, fax: +86-21-5450 0008 bcd semiconductor manufacturing limited main site regional sales office shenzhen office shanghai sim-bcd semiconductor manuf acturing co., ltd. shenzhen office advanced analog circuits (shanghai) corporation shenzhen office room e, 5f, noble center, no.1006, 3rd fuzhong road, futian district, shenzhen 518026, china tel: +86-755-8826 7951 fax: +86-755-8826 7865 taiwan office bcd semiconductor (taiwan) company limited 4f, 298-1, rui guang road, nei-hu district, taipei, taiwan tel: +886-2-2656 2808 fax: +886-2-2656 2806 usa office bcd semiconductor corporation 30920 huntwood ave. hayward, ca 94544, u.s.a tel : +1-510-324-2988 fax: +1-510-324-2788 - ic design group advanced analog circuits (shanghai) corporation 8f, zone b, 900, yi shan road, shanghai 200233, china tel: +86-21-6495 9539, fax: +86-21-6485 9673 bcd semiconductor manufacturing limited http://www.bcdsemi.com bcd semiconductor manufacturing limited

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