hi-sincerity microelectronics corp. spec. no. : ic200916 issued date : 2009.09.12 revised date : page no. : 1/5 H960 hsmc product specification H960 high efficiency current mode pwm controller description H960 is a high performance pwm controller ic specially designed for low power ac/dc application. implemented with avantics patented proprietary technology, H960 can provide a ?no y-cap? ac/dc solution with distinguished advantages in low standby power, high efficiency and better ovp performance package : dip-8 package code : p features z over-load and saturation protection wi th patent design technology, which can prevent over-load, switching transformer saturation, output short circuit and other faults in time. z built-in bipolar power transistor for switching, achi eves start-up uses its magni fication function as well, which can reduce the power of the st art-up resistance to less than 1/10. z built-in slope compensation circuit; over temperature protection circui t; slope current driving circuit. z 5.5w of wide voltage output; 8w of 220vac output; less than 0.25w when there is no load. application z adaptor, charger z lcd standby power z home appliance power z low power ac/dc switch mode power supply( up to 8w) pin descriptions pin no. symbol description 1 ob base of power transisto r; start-up current control 2 ct oscillator input c 3 gnd ground 4 fb feedback input 5 vcc power supply 6 oe emitter of power transistor; start-up current input 7 oc collector of power transistor 8 oc collector of power transistor built-in test pin vr 2.5v reference voltage built-in test pin is current of power transistor 8 7 6 5 1 2 3 4
hi-sincerity microelectronics corp. spec. no. : ic200916 issued date : 2009.09.12 revised date : page no. : 2/5 H960 hsmc product specification absolute maximum ratings parameter value unit supply voltage vcc 16 v input voltage 16 v switch current 300 ma power dissipation 1000 mw operating junction temperature 0 125 c storage temperature 55 150 c block diagram recommend operation condition parameter min typ max unit supply voltage vcc 4.8 5.5 9.0 v pin input voltage 0.3 - vcc v peak reverse voltage - - 500 v peak switch current - - 250 ma timing capacitance 270 330 680 pf frequency 32 61 81 khz operation temperature 0 70 c
hi-sincerity microelectronics corp. spec. no. : ic200916 issued date : 2009.09.12 revised date : page no. : 3/5 H960 hsmc product specification electrical characteristics t a =25 c,vcc 5.5-7.5v ct 330pf parameter test condition min typ max unit output breakdown voltage of switch tr ioc=10ma 700 - - v vsat of switch tr ioc=250ma - - 1 v rise time of output cl 1nf - - 75 ns fall time of output cl 1nf - - 75 ns output limited current D 250 270 290 ma oe clamp voltage oe 0.001-0.29a - 1.5 - v vref vref io 1.0ma 2.4 2.5 2.6 v line regulation vcc5.5-9v - 2 20 mv load regulation io 0.1-1.2ma - - 3 temperature stability - 0.2 - mv/ output noise voltage f 10hz-10khz - - 50 v long term stability t85 ,1000hour operation - 5 - mv osc oscillator frequency ct 330pf 59 66 73 khz frequency variation with vcc vcc5.5-9v - - 1 frequency variation with tem. ta 0-85 - - 1 vp-p of oscillator output - 2.2 - v fall time of oscillator output ct 330pf - 800 - ns fb pull up current - 0.50 0.60 ma input impedance pull down resistor - 30 - k ? psrr vcc5.5-9v - 60 70 db current sample (is) is threshold 0.55 0.60 0.65 v limited current 0.25 0.27 0.29 a psrr - 60 70 db delay - 150 250 ns pwm maximum duty cycle 53 57 61 minimum duty cycle - - 3.5 supply current startup oc current 1.6 2.4 3.2 ma startup supply current - 55 80 a supply current vcc8v - 2.8 - ma startup voltage 8.6 8.8 9.0 v under voltage threshold 4.0 4.2 4.5 v re-startup voltage - 3.6 - v over voltage threshold 9.5 10 10.5 v
hi-sincerity microelectronics corp. spec. no. : ic200916 issued date : 2009.09.12 revised date : page no. : 4/5 H960 hsmc product specification typical application input :85-265v output:5v 1a H960 h431
hi-sincerity microelectronics corp. spec. no. : ic200916 issued date : 2009.09.12 revised date : page no. : 5/5 H960 hsmc product specification dip- 8 package dimension a b 87 65 432 1 h i f g j k m l 1 e d c dim min. max. marking: date code control code pb fr ee mar k pb- free: " . " (note) normal: none hp 960 pin style: 1.ob 2.ct 3.gnd 4.fb 5.vcc 6.oe 7.oc 8.oc material: ? lead solder plating: pure-tin (pb-free) ? mold compound: epoxy resin family, flammability solid bu rning class: ul94v-0 a 6.29 6.40 b 9.22 9.32 c - *1.52 d - *1.27 e - *0.99 f 3.25 3.35 g 3.17 3.55 h 0.38 0.53 i 2.28 2.79 j 7.49 7.74 k - *3.00 l 8.56 8.81 m 0.229 0.381 1 94 o 97 o *: typical, unit: mm 8-lead dip-8 plastic package hsmc package code: p important notice: ? all rights are reserved. reproduction in whole or in part is prohibited without the prio r written approval of hsmc. ? hsmc reserves the right to make c hanges 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 cons equence of customer product design, infringement of patents, or application assistance. head office ? head office (hi-sincerity microelectronics corp.): 5/f., golden harv est building 15 wang chiu road, kowloon bay, hong kong tel: +852-2755-7162 fax: +852-2755- 7795 avantics : shanghai address: no.399, cai lum rd. zhangji ang technology industrial park pudong, shanghai 201210, china tel: +86(21) 61637118 fax: +86(21)61637006
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