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  ver: 0.8 dec 26, 2011 tel: 886-3-5788833 http://www.gmt.com.tw 1 G972 global mixed-mode technology 5a low dropout regulator with enable features ? adjustable output low to 0.8v ? input voltage as low as 1.1v and vpp voltage 5v ? 200mv dropout @ 5a, vo 1.2v ? over current and over temperature protection ? enable pin ? low reverse leakage (output to input ) ? power sop-8 (fd) packages with thermal pad ? 2% output voltage ? vo power ok signal ? vo pull low resistance when disable ? vo soft start when enable applications ? motherboards ? peripheral cards ? network cards ? set top boxes ? notebook computers general description the G972 is a high performance positive voltage regulator designed for use in applications requiring very low input voltage and very low dropout voltage at up to 5 amps. it operates with vpp voltage 5v and output voltage programmable as low as 0.8v. the G972 features ultra low dropout, ideal for applications where v out is very close to v in . additionally, the G972 has an enable pin to further reduce power dissipation while shutdown. the G972 provides excellent regula- tion over variations in line, load and temperature. the G972 provides a power ok signal to indicate if the voltage level of vo reaches 92% of its rating value. the G972 is available in the power sop-8 (fd) pack- age. it is adjustable using external resistors. ordering information order number marking temp. range package (green) G972f11u G972 -40 c~+85 c sop-8 (fd) note: f1: sop-8 (fd) 1: bonding code u: tape & reel pin configuration typical application circuit vin vo r1 r2 ven vin vo adj gnd G972 0.8 (r1+r2) 1. vo = r2 volts, c in 22 f c o 22 f r2<120k is recommended vpp vpp (5v) vo 8 6 5 1 2 3 4 gnd adj vo top view sop-8 (fd) G972 7 ven pok vpp vin pok vin 10k c pp 1 f thermal pad * thermal pad can be connected to vin ** connect thermal pad to ground plate will have better thermal performance c 1 (optional) 2. c 1 is not necessary. vo is also stable if c 1 = 22pf~150pf vin vo r1 r2 ven vin vo adj gnd G972 0.8 (r1+r2) 1. vo = r2 volts, c in 22 f c o 22 f r2<120k is recommended vpp vpp (5v) vo 8 6 5 1 2 3 4 gnd adj vo top view sop-8 (fd) G972 7 ven pok vpp vin pok vin 10k c pp 1 f thermal pad * thermal pad can be connected to vin ** connect thermal pad to ground plate will have better thermal performance c 1 (optional) 2. c 1 is not necessary. vo is also stable if c 1 = 22pf~150pf


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Price & Availability of G972
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RS

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