ver: 0.2 oct 02, 2008 tel: 886-3-5788833 http://www.gmt.com.tw 1 G996 global mixed-mode technology inc. 1.6x linear fan driver features ? vo follows 1.6 times of vset ? 150mv dropout @ 0.5a ? over current and over temperature protection ? enable pin ? 10 a quiescent current in shutdown ? soft start to decrease inrush current ? power sop-8 and tdfn3x3-8 package applications ? notebook computer fan driver ? battery powered systems ? motherboards ? peripheral cards general description the G996 is a high performance positive voltage regulator designed for use in applications requiring very low dropout voltage at up to 0.5 amps. the G996 vo output voltage follows the 1.6 times of vset volt- age until it reaches vin voltage. the vset voltage must be larger than 1v to guarantee vo 1.6 times of vset. an enable pin further reduces power dissipa- tion while shut down. the G996 provides excellent regulation over variations in line, load and tempera- ture. the G996 is available in the power sop-8 and tdfn3x3-8 package. ordering information order number marking temp. range package (pb free) G996p11u G996 -40 c ~ +85 c sop-8 G996rd1u 996 -40 c ~ +85 c tdfn3x3-8 note: p1: sop-8 rd: tdfn3x3-8 1: bonding code u: tape & reel pin configuration typical application circuit vo 8 6 5 1 2 3 4 ven vin vs et sop-8 G996 7 gnd gnd gnd gnd vin vo vset ve n vin vo gnd G996 vo =1.6 vs et c in 2.2 f c o 2.2 f ven vset tdfn3x3-8 1 2 3 4 8 7 6 5 ve n thermal pa d vin nc / hs-gnd gnd note: recomme nd con nectin g th e the rmal p ad & 5 ,7 ,8 to the g nd fo r powe r dissipa tion. G996 vo vset nc / hs-gnd nc / hs-gnd vo 8 6 5 1 2 3 4 ven vin vs et sop-8 G996 7 gnd gnd gnd gnd vin vo vset ve n vin vo gnd G996 vo =1.6 vs et c in 2.2 f c o 2.2 f ven vset tdfn3x3-8 1 2 3 4 8 7 6 5 ve n thermal pa d vin nc / hs-gnd gnd note: recomme nd con nectin g th e the rmal p ad & 5 ,7 ,8 to the g nd fo r powe r dissipa tion. G996 vo vset nc / hs-gnd nc / hs-gnd
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