ver: 1.0 mar 23, 2009 tel: 886-3-5788833 http://www.gmt.com.tw 1 G990 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 ? power sop-8 package applications ? notebook computer fan driver ? battery powered systems ? motherboards ? peripheral cards general description the G990 is a high performance positive voltage regulator designed for use in applications requiring very low dropout voltage at up to 0.5 amps. the G990 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 G990 provides excellent regulation over variations in line, load and tempera- ture. the G990 is available in the power sop-8 package. ordering information order number marking temp. range package (green) G990p11u G990 -40 c ~ +85 c sop-8 note: p1: sop-8 1: bonding code u: tape & reel pin configuration typical application circuit vo 8 6 5 1 2 3 4 ven vin vset sop-8 G990 7 gnd gnd gnd gnd vin vo vset ven vin vo gnd G990 vo =1.6 x vset c in 2.2 f c o 2.2 f ven vset vo 8 6 5 1 2 3 4 ven vin vset sop-8 G990 7 gnd gnd gnd gnd vin vo vset ven vin vo gnd G990 vo =1.6 x vset c in 2.2 f c o 2.2 f ven vset
ver: 0.5 dec 22, 2005 tel: 886-3-5788833 http://www.gmt.com.tw 1 g993 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 ? power sop-8,sot-89-5 package applications ? notebook computer fan driver ? battery powered systems ? motherboards ? peripheral cards general description the g993 is a high performance positive voltage regulator designed for use in applications requiring very low dropout voltage at up to 0.5 amps. the g993 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 g993 provides excellent regulation over variations in line, load and tempera- ture. the g993 is available in the power sop-8, sot-89-5 package. ordering information order number order number (pb free) marking temp. range package g993teu g993teuf 993 -40 c ~ +85 c sot-89-5 g993p1u g993p1uf g993 -40 c ~ +85 c sop-8 pin configuration typical application circuit vo 8 6 5 1 2 3 4 ven vin vset sop-8 g993 7 gnd gnd gnd gnd vin vo vset ven vin vo gnd g993 vo =1.6 x vset c in 2.2 f c o 2.2 f ven vset vo sot-89-5 g993 1 23 5 4 gnd ven vin vset vo 8 6 5 1 2 3 4 ven vin vset sop-8 g993 7 gnd gnd gnd gnd vin vo vset ven vin vo gnd g993 vo =1.6 x vset c in 2.2 f c o 2.2 f ven vset vo sot-89-5 g993 1 23 5 4 gnd ven vin vset
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