hi-sincerity microelectronics corp. spec. no. : hj200210 issued date : 1998.08.01 revised date : 2002.08.09 page no. : 1/3 h7812aj, H7812BJ hsmc product specification h7812aj H7812BJ 3-terminal positive voltage regulator description the h7812_j series of three-terminal positive regulators are available in the to-252 package. these regulators can provide local on-card regulation, eliminating the distribution problems associated with single point regulation. each employs internal current limiting, thermal shut-down and safe operating area protection, making it essen-tially indestructible. if adequate heat sinking is provided, they can deliver over 1a output current. although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents. h7812_j is characterized for operation from 0 c to +125 c, and if operating temperature is always high, please refer to the power dissipation curve. absolute maximum ratings (ta=25 c) ? input voltage ................................................................................................................. ...... 35 v ? total power dissipation (tc=25 c) .................................................................. internally limited ? operating junction temperature ....................................................................... 0 c to +125 c ? storage temperat ure range .......................................................................... -55 c to +150 c ? output current (tc=25 c) .................................................................................................... 1 a ? lead temperature (sol dering 10s) ................................................................................. 230 c typical application schematic diagram 6.3v 3.4k 200 10k 200 1k 2k 0.3 26 4k 20pf 4k 1k 12.1k 1.2 26 1.9k 30k vref input output gnd h7812_j vout vin 3 1 2 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. to-252
hi-sincerity microelectronics corp. spec. no. : hj200210 issued date : 1998.08.01 revised date : 2002.08.09 page no. : 2/3 h7812aj, H7812BJ hsmc product specification electrical characteristics vin=19v, io=500ma, 0 c tj 125 c (unless otherwise noted) h7812aj symbol parameter conditions min typ max units tj=25 c 11.64 12 12.36 vo output voltage 14.5v vin 27v 11.64 12 12.36 v tj=25 c, 14.5v vin 30v - 20 120 ? vo line regulation tj=25 c, 16v vin 22v -1660 mv 5ma io 1a - - 120 ? vo load regulation 250ma io 750ma --60 mv iq quiescent current io 1a, tj=25 c -5.58 ma 5ma io 1a --0.5 ? iq quiescent current change 14.5v vin 30v --1.3 ma vn output noise voltage ta =25 c, 10hz f 100khz - - 200 uv rr ripple rejection 15v vin 25v, f=120hz -68- db vd dropout voltage tj=25 c, io=1a -2- v isc short circuit current tj=25 c -1.5- a ipk peak output current tj=25 c 1.7 - - a ? vo / ? t average tc of vout 0 c tj +125 c, io=5ma --0.8- mv/ c H7812BJ symbol parameter conditions min typ max units tj=25 c 11.5 12 12.5 vo output voltage 14.5v vin 27v 11.4 12 12.6 v tj=25 c, 14.5v vin 30v - 44 240 ? vo line regulation tj=25 c, 16v vin 22v - 16 120 mv 5ma io 1a - 45 240 ? vo load regulation 250ma io 750ma - 16 120 mv iq quiescent current io 1a, tj=25 c -5.58 ma 5ma io 1a --0.5 ? iq quiescent current change 14.5v vin 30v --1.3 ma vn output noise voltage ta =25 c, 10hz f 100khz - - 300 uv rr ripple rejection 15v vin 25v, f=120hz 62 73 - db vd dropout voltage tj=25 c, io=1a -2.5- v isc short circuit current tj=25 c -1.5- a ipk peak output current tj=25 c 1.7 - - a ? vo / ? t average tc of vout 0 c tj +125 c, io=5ma --0.8- mv/ c
hi-sincerity microelectronics corp. spec. no. : hj200210 issued date : 1998.08.01 revised date : 2002.08.09 page no. : 3/3 h7812aj, H7812BJ hsmc product specification to-252 dimension *: typical inches millimeters inches millimeters dim min. max. min. max. dim min. max. min. max. a 0.0177 0.0217 0.45 0.55 g 0.0866 0.1102 2.20 2.80 b 0.0650 0.0768 1.65 1.95 h - *0.0906 - *2.30 c 0.0354 0.0591 0.90 1.50 i - 0.0354 - 0.90 d 0.0177 0.0236 0.45 0.60 j - 0.0315 - 0.80 e 0.2520 0.2677 6.40 6.80 k 0.2047 0.2165 5.20 5.50 f 0.2125 0.2283 5.40 5.80 l 0.0551 0.0630 1.40 1.60 notes: 1.dimension and tolerance based on our spec. dated may. 05,1996. 2.controlling dimension: millimeters. 3.maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material. 4.if there is any question with packing specification or packing method, please contact your local hsmc 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 hsmc. ? hsmc reserves the right to make changes to its products without notice. ? hsmc semiconductor products are not warranted to be su itable for use in life-support applications, or systems. ? hsmc assumes no liability for any consequence of customer product design, infringement of patents, or application assistance. head office and factory: ? head office (hi-sincerity microelectronics corp.): 10f.,no. 61, sec. 2, chung-shan n. rd. taipei taiwan r.o.c. tel: 886-2-25212056 fax: 886-2-25632712, 25368454 ? factory 1: no. 38, kuang fu s. rd., fu-kou hsin-chu industrial park hsin-chu taiwan. r.o.c tel: 886-3-5983621~5 fax: 886-3-5982931 b a c e h i j k 3 2 1 d f g l style: pin 1.vin 2.ground 3.vout 3-lead to-252 plastic surface mount package hsmc package code: j marking: date code 8 71 hj control code 2
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