cystech electronics corp. spec. no. : c194q8 issued date : 2013.05.31 revised date : page no. : 1/7 HV9910Q8 preliminary cystek product specification universal high brightness led driver HV9910Q8 features ? >90% efficiency ? 10v to 600v input range ? constant current led driver ? applications from a few ma to more than 1a output ? led string from one to hundreds of diodes ? linear and pwm dimming capability ? input voltage surge ratings up to 600v ? over temperature protection applications ? dc/dc or ac/dc led driver applications ? rgb backlighting led driver ? backlighting of flat panel displays ? general-purpose constant current source ? signage and decorative led lighting ? automotive ? chargers description the HV9910Q8 is a pwm high-efficiency led driver contro l ic. it allows efficient operation of high-brightness (hb) leds from voltage sources ranging from 10vdc up to 600v dc. the HV9910Q8 controls an external mosfet at fixed switching frequencies up to 300khz. the frequency can be programmed using a single resistor. the led string is driven at a constant current rather than a constant voltage, thus provi ding a constant light output and an enhanced reliability. the output current can be programmed between a few milliamps and up to more than 1a. the HV9910Q8 uses a rugged high-voltage junction isolated process that can withstand an input voltage surge up to 600v. the output current to a led stri ng can be programmed to any value between zero and its maximum value by applying an external control voltag e at the linear dimming control input of the HV9910Q8. the HV9910Q8 provides a low-frequency pwm dimming input th at can accept an external control signal with a duty ratio of 0-100% and a frequency of up to a few kilohertz. ordering information device package shipping HV9910Q8-0-t3-g sop-8 (pb-free lead plating an d halogen-free package) 2500 pcs / tape & reel
cystech electronics corp. spec. no. : c194q8 issued date : 2013.05.31 revised date : page no. : 2/7 HV9910Q8 preliminary cystek product specification typical application circuit pin description pin1: vin pin5: pwm_d pin2: cs pin6: vdd pin3: ground pin7: ld 1234 5678 pin4: gate pin8: rosc absolute maximum ratings vin to gn..????????????????????????????????-0.5~+600v cs, ld, pwm_d, gate to gnd ??????????????????? -0.3 v ~ vdd+0.3v continuous power dissipation (t a =25 c)?????????????????????..630mw operating temperature range ?????????????????????????- 40~+85 c junction temperature ?????????????????????????????...+125 c storage temperature range ?????????????????????????.-65 ~ +150 c *stress beyond those listed under ?absolute maximum ratings? may cause permanent da mage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of t he specifications is not imp lied. exposure to absolute maximum rating conditions for extended periods may affect device reliabili ty.
cystech electronics corp. spec. no. : c194q8 issued date : 2013.05.31 revised date : page no. : 3/7 HV9910Q8 preliminary cystek product specification electrical characteristics (t a =25 c, unless otherwise noted) parameter test condition symbol min. typ. max. unit input dc supply voltage range dc input voltage v indc * 10 - 600 v shut down mode supply current pin pwm_d to gnd, v in =8v i insd 0.5 - 1 ma internally regulated voltage v in =10 to 600v, i dd(ext) =0, pin gate open v dd 7 7.5 8 v load regulation of v dd i dd(ext) =0 to 1ma, 500pf at gate, r osc =226k ,pwm_d=v dd v dd, load 0 - 100 mv maximum pin v dd voltage when an external voltage is applied to pin v dd v dd, max - - 10 v v dd current available for external circuitry v in =10 to 100v i dd(ext) - - 0.7 ma v dd under voltage lockout threshold v in rising uvlo 6.45 6.7 6.95 v v dd under voltage lockout hysteresis v in falling uvlo - 500 - mv pin pwm_d input low voltage v in =10 to 600v v en(lo) - - 0.8 v pin pwm_d input high voltage v in =10 to 600v v en(hi) 2 - - v pin pwm_d pull down resistance v en =5v r en 50 100 150 k current sense pull-in threshold voltage t a =-40 c ~ +85 c v cs(hi) 225 250 275 mv gate high output voltage i out =10ma v gate(hi) v dd -0.3 - v dd v gate low output voltage i out =-10ma v gate(lo) 0 - 0.3 v oscillator frequency r osc =1m r osc =226k f osc 20 80 25 100 30 120 khz maximum oscillator pwm duty cycle f pwmhf =25khz, at gate, cs to gnd d maxhf - - 100 % pin ld(linear dimming) voltage range t a <85 c, v in =12v v ld 0 - 250 mv current sense blanking interval v cs =0.55v ld, v ld =v dd t blank 150 215 280 ns delay from cs to gate lo v in =12v, v ld =0.15v, v cs =0 to 0.22v after t blank t delay - - 300 ns gate output rise time c gate =500pf, v dd =7.5v t rise 30 - 50 ns gate output fall time c gate =500pf, v dd =7.5v t fall 30 - 50 ns * also limited by package power dissipation limit, whichever is lower.
cystech electronics corp. spec. no. : c194q8 issued date : 2013.05.31 revised date : page no. : 4/7 HV9910Q8 preliminary cystek product specification block diagram
cystech electronics corp. spec. no. : c194q8 issued date : 2013.05.31 revised date : page no. : 5/7 HV9910Q8 preliminary cystek product specification reel dimension carrier tape dimension
cystech electronics corp. spec. no. : c194q8 issued date : 2013.05.31 revised date : page no. : 6/7 HV9910Q8 preliminary cystek product specification recommended wave soldering condition product peak temperature soldering time pb-free devices 260 +0/-5 c 5 +1/-1 seconds recommended temperature profile for ir reflow profile feature sn-pb eutectic assembly pb-free assembly average ramp-up rate (tsmax to tp) 3 c/second max. 3 c/second max. preheat ? temperature min(t s min) ? temperature max(t s max) ? time(ts min to ts max ) 100 c 150 c 60-120 seconds 150 c 200 c 60-180 seconds time maintained above: ? temperature (t l ) ? time (t l ) 183 c 60-150 seconds 217 c 60-150 seconds peak temperature(t p ) 240 +0/-5 c 260 +0/-5 c time within 5 c of actual peak temperature(tp) 10-30 seconds 20-40 seconds ramp down rate 6 c/second max. 6 c/second max. time 25 c to peak temperature 6 minutes max. 8 minutes max. note : all temperatures refer to topside of t he package, measured on the package body surface.
cystech electronics corp. spec. no. : c194q8 issued date : 2013.05.31 revised date : page no. : 7/7 HV9910Q8 preliminary cystek product specification so-8 dimension *: typical inches millimeters inches millimeters dim min. max. min. max. 8-lead so-8 plastic package cystek packa g e code: q8 marking: top view a b front view f c d e g part a i h j k o m l n right side view part a 9910 date code dim min. max. min. max. a 0.1909 0.2007 4.85 5.10 i 0.0019 0.0078 0.05 0.20 b 0.1515 0.1555 3.85 3.95 j 0.0118 0.0275 0.30 0.70 c 0.2283 0.2441 5.80 6.20 k 0.0074 0.0098 0.19 0.25 d 0.0480 0.0519 1.22 1.32 l 0.0145 0.0204 0.37 0.52 e 0.0145 0.0185 0.37 0.47 m 0.0118 0.0197 0.30 0.50 f 0.1472 0.1527 3.74 3.88 n 0.0031 0.0051 0.08 0.13 g 0.0570 0.0649 1.45 1.65 o 0.0000 0.0059 0.00 0.15 h 0.1889 0.2007 4.80 5.10 notes: 1.controlling dimension: millimeters. 2.maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material. 3.if there is any question with packing specification or packing method, please c ontact your local cystek sales office. material: ? lead: pure tin plated. ? 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 cystek. ? cystek reserves the right to make changes to its products without notice. ? cystek semiconductor products are not warranted to be suitable for use in life-support applications, or systems. ? cystek assumes no liability for any consequence of customer pr oduct design, infringement of pat ents, or application assistance .
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