ver: 0.5 may 30, 2012 tel: 886-3-5788833 http://www.gmt.com.tw 1 G5997 global mixed-mode technology step-up controller for 12 strings 60ma white led driver features ? 5v~30v input voltage range ? high power current mode dc/dc boost controller ? drives up to 12 strings in parallel ? 100hz~2khz pwm or dc input true pwm dim- ming ? 2.5% current matching accuracy between strings ? programmable switching frequency ? programmable slope compensation ? input under voltage protection ? output short circuit protection ? hiccup mode protection for output over voltage protection and led string short protection ? thermal shutdown ? available in sop-28, tssop-28 (fd) and tqfn5x5-28 package applications ? desktop lcd flat pannel displays ? flat pannel video displays ? lcd tvs and monitors general description the G5997 is current mode dc/dc controller that drives up to 12 strings connected in parallel configura- tion with multiple leds in each string connected in se- ries. external current sense resistor and slope com- pensation resistor make it flexible for various applica- tions. pwm dimming is implemented with external pwm input signal or dc input signal. the dimming fre- quency can be programmed by an external setting ca- pacitor. the G5997 includes hiccup protection from short cir- cuits, with automatic recovery after the fault condition is cleared. the G5997 is available in a sop-28, tssop-28 (fd) and tqfn5x5-28 package. ordering information order number marking temp. range package (green) G5997p61u G5997 -20 c to +85 c sop-28 G5997f41u G5997 -20 c to +85 c tssop-28 (fd) G5997r61u 5997 -20 c to +85 c tqfn 5x5-28 note: p6:sop-28 f4:tssop-28 (fd) r6:tqfn 5x5-28 1 : bonding code u : tape & reel pin configuration G5997 tqfn5x5-28 1 2 3 4 5 6 16 17 18 19 20 21 pgnd cs vfault gate ovp led1 27 22 23 24 26 25 led12 rt led11 8 9 10 11 12 bosc iset thermal pad 7 led9 13 14 led10 15 nc 28 G5997 led1 led2 led3 led4 led5 led6 led7 led8 lgnd vdd comp en dbrt gnd iset bosc led12 cs sop-28 24 23 22 21 20 19 18 17 16 15 5 6 7 8 9 10 11 12 1 4 3 2 vin ovp led11 led10 13 14 led9 lgnd 28 27 26 vfault 25 rt pgnd gate G5997 tssop-28 (fd) 24 23 22 21 20 19 18 17 16 15 5 6 7 8 9 10 11 12 1 4 3 2 note: recommend connecting the thermal pad to the ground for excellent power dissipation. 13 14 28 27 26 25 thermal pad nc vdd comp en dbrt gnd iset bosc led12 vin led11 led10 led9 rt led1 led2 led3 led4 led5 led6 led7 led8 cs ovp nc vfault pgnd gate nc vdd comp en dbrt gnd vin led2 led3 led4 led5 led6 led7 led8 G5997 tqfn5x5-28 1 2 3 4 5 6 16 17 18 19 20 21 pgnd cs vfault gate ovp led1 27 22 23 24 26 25 led12 rt led11 8 9 10 11 12 bosc iset thermal pad 7 led9 13 14 led10 15 nc 28 G5997 led1 led2 led3 led4 led5 led6 led7 led8 lgnd vdd comp en dbrt gnd iset bosc led12 cs sop-28 24 23 22 21 20 19 18 17 16 15 5 6 7 8 9 10 11 12 1 4 3 2 vin ovp led11 led10 13 14 led9 lgnd 28 27 26 vfault 25 rt pgnd gate G5997 tssop-28 (fd) 24 23 22 21 20 19 18 17 16 15 5 6 7 8 9 10 11 12 1 4 3 2 note: recommend connecting the thermal pad to the ground for excellent power dissipation. 13 14 28 27 26 25 thermal pad nc vdd comp en dbrt gnd iset bosc led12 vin led11 led10 led9 rt led1 led2 led3 led4 led5 led6 led7 led8 cs ovp nc vfault pgnd gate nc vdd comp en dbrt gnd vin led2 led3 led4 led5 led6 led7 led8
ver: 0.5 sep 26, 2011 tel: 886-3-5788833 http://www.gmt.com.tw 1 g5999 global mixed-mode technology step-up controller for 12 strings 120ma white led driver features ? 5v~30v input voltage range ? high power current mode dc/dc boost controller ? drives up to 12 strings in parallel ? pwm or dc input true pwm dimming ? 2.5% current matching accuracy between strings ? programmable switching frequency ? programmable slope compensation ? input under voltage protection ? output short circuit protection ? hiccup mode protection for output over voltage protection and led string short protection ? thermal shutdown ? available in sop-28 ,tssop-28 (fd) and hsop-28 package applications ? desktop lcd flat pannel displays ? flat pannel video displays ? lcd tvs and monitors general description the g5999 is current mode dc/dc controller that drives up to 12 strings connected in parallel configura- tion with multiple leds in each string connected in se- ries. external current sense resistor and slope com- pensation resistor make it flexible for various applica- tions. pwm dimming is implemented with external pwm input signal or dc input signal. the dimming fre- quency can be programmed by an external setting ca- pacitor. the g5999 includes hiccup protection from short cir- cuits, with automatic recovery after the fault condition is cleared. the g5999 is available in a sop-28 ,tssop-28 (fd) , and hsop-28 package. ordering information order number marking temp. range package (green) g5999p61u g5999 -20 c to +85 c sop-28 g5999f41u g5999 -20 c to +85 c tssop-28 (fd) g5999p91u g5999 -20 c to +85 c hsop-28 note: p6:sop-28 f4: tssop-28 (fd) p9: hsop-28 1 : bonding code u : tape & reel pin configuration g5999 led1 led2 led3 led4 led5 led6 led7 led8 lgnd vdd comp en dbrt gnd iset bosc led12 cs sop-28 24 23 22 21 20 19 18 17 16 15 5 6 7 8 9 10 11 12 1 4 3 2 vin ovp led11 led10 13 14 led9 lgnd 28 27 26 vfault 25 rt pgnd gate g5999 tssop-28 (fd) 24 23 22 21 20 19 18 17 16 15 5 6 7 8 9 10 11 12 1 4 3 2 note: recommend connecting the thermal pad to the ground for excellent power dissipation. 13 14 28 27 26 25 thermal pad nc vdd comp en dbrt gnd iset bosc led12 vin led11 led10 led9 rt led1 led2 led3 led4 led5 led6 led7 led8 cs ovp nc vfault pgnd gate g5999 24 23 22 21 20 19 18 17 16 15 5 6 7 8 9 10 11 12 1 4 3 2 13 14 28 27 26 25 nc vdd comp en dbrt gnd iset bosc led12 vin led11 led10 led9 rt led1 led2 led3 led4 led5 led6 led7 led8 cs ovp nc vfault pgnd gate hsop-28 ep ep g5999 led1 led2 led3 led4 led5 led6 led7 led8 lgnd vdd comp en dbrt gnd iset bosc led12 cs sop-28 24 23 22 21 20 19 18 17 16 15 5 6 7 8 9 10 11 12 1 4 3 2 vin ovp led11 led10 13 14 led9 lgnd 28 27 26 vfault 25 rt pgnd gate g5999 tssop-28 (fd) 24 23 22 21 20 19 18 17 16 15 5 6 7 8 9 10 11 12 1 4 3 2 note: recommend connecting the thermal pad to the ground for excellent power dissipation. 13 14 28 27 26 25 thermal pad nc vdd comp en dbrt gnd iset bosc led12 vin led11 led10 led9 rt led1 led2 led3 led4 led5 led6 led7 led8 cs ovp nc vfault pgnd gate g5999 24 23 22 21 20 19 18 17 16 15 5 6 7 8 9 10 11 12 1 4 3 2 13 14 28 27 26 25 nc vdd comp en dbrt gnd iset bosc led12 vin led11 led10 led9 rt led1 led2 led3 led4 led5 led6 led7 led8 cs ovp nc vfault pgnd gate hsop-28 ep ep
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