hi-sincerity microelectronics corp. spec. no. : ic200915 issued date : 2009.08.12 revised date : page no. : 1/8 H234 hsmc product specification H234 6-lead plastic sot-23-6l tsop-6 package code: n description the H234 is a highly integrated solution for a constant voltage/constant current mode smps application. the H234 contains one 1.21v voltage reference with 0.5% accuracy, one current sensing circuit and two operational amplifiers. combining the voltage reference with one operational amplifier makes H234 an ideal voltage controller for use in adapters and battery chargers. t he other low voltage reference combined with the other operational amplifier makes it an ideal current limiter for output low side current sensing. the H234 is available in sot-23-6l( tsop-6 ) package. features applications constant voltage and constant current control adapters precision internal voltage reference battery chargers few external components easy compensation low supply current operating temperature range: -40 to 105 pin configuration pin number pin name function 1 v ctrl input pin of the voltage control loop 2 gnd ground 3 v out output pin. sinking current only 4 i ctrl input pin of the current control loop 5 v sense input pin of the current control loop 6 v cc power supply
hi-sincerity microelectronics corp. spec. no. : ic200915 issued date : 2009.08.12 revised date : page no. : 2/8 H234 hsmc product specification functional block diagram v cc absolute maximum ratings (note 1) parameter symbol value unit power supply voltage v cc 20 v input voltage v in -0.3 to v cc v junction temperature t j 150 storage temperature t stg -65 to 150 package thermal resistance (junction to case) r jc 92 /w note 1: stresses greater than those listed under "absolute maximum ratings" may c ause permanent damage to the device. these are stress ratings only, and functional operation of the device at thes e or any other conditions beyond those indicated under "recommended operating conditions" is not implied. exposure to "absolute maximum ratings" for extended periods may affect device reliability. recommended operating conditions parameter symbol min max unit power supply voltage v cc 2.5 18 v operating temperature range t a -40 105
hi-sincerity microelectronics corp. spec. no. : ic200915 issued date : 2009.08.12 revised date : page no. : 3/8 H234 hsmc product specification electrical characteristics (v cc =5v, t a =25 , unless otherwise specified.) parameter symbol conditions min type max unit total current consumption t a =25 0.9 1.3 total supply current not including the output sinking current i cc -40 hi-sincerity microelectronics corp. spec. no. : ic200915 issued date : 2009.08.12 revised date : page no. : 4/8 H234 hsmc product specification characteristics curve figure 1. v ref vs. ambient temperature figure 2. v sense vs. ambient temperature figure 3. i ibv vs. ambient temperature figure 4. i ibi vs. ambient temperature figure 5. output short circuit current vs. figure 6. supply current vs. ambient temperature ambient temperature
hi-sincerity microelectronics corp. spec. no. : ic200915 issued date : 2009.08.12 revised date : page no. : 5/8 H234 hsmc product specification typical application H234 figure 7. typical application 1 of H234
hi-sincerity microelectronics corp. spec. no. : ic200915 issued date : 2009.08.12 revised date : page no. : 6/8 H234 hsmc product specification typical application H234 figure 8. typical application 2 of H234
hi-sincerity microelectronics corp. spec. no. : ic200915 issued date : 2009.08.12 revised date : page no. : 7/8 H234 hsmc product specification typical application H234 figure 9. typical application 3 of H234
hi-sincerity microelectronics corp. spec. no. : ic200915 issued date : 2009.08.12 revised date : page no. : 8/8 H234 hsmc product specification sot-23-6l (tsop-6) dimension dim min. max. a 2.70 3.12 b 2.60 3.00 c 1.40 1.80 d 0.30 0.55 e 0.00 0.10 f 0 10 g 1.80 2.00 h - 1.30 i 0.10 0.21 j 0.30 0.60 k 0.6* l 0.95* m 0.25* n 1.00 1.20 *: typical, unit: mm sot-23-6l(tsop-6) surface mounted package hsmc package code: n marking: pin style: 1. vctrl 2. gnd 3. vout 4.ictrl 5. vsense 6. v cc material: ? lead solder plating: pure-tin (pb-free) ? 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 avantic. ? hsmc reserves the right to make changes to its products without notice. ? hsmc semiconductor products are not warranted to be suitable for use in life-support applications, or systems. ? hsmc assumes no liability for any consequence of customer prod uct design, infringement of paten ts, or application assistance. head office: ? 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 ? avantics microelectronics corp: no. 255, cai lun rd. zh angjiang technology industrial park pudong, shanghai, china tel: 86-021-58955599 fh: 86-021-58558038
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