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G990P11U データシート PDF ( 特性, スペック, ピン接続図 )

部品番号 G990P11U
部品説明 1.6X Linear Fan Driver
メーカ Global Mixed-mode Technology
ロゴ Global Mixed-mode Technology ロゴ 
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G990P11U Datasheet, G990P11U PDF,ピン配置, 機能
Global Mixed-mode Technology Inc.
1.6X Linear Fan Driver
G990
Features
„ VO Follows 1.6 Times of VSET
„ 150mV Dropout @ 0.5A
„ Over Current and Over Temperature Protection
„ Enable Pin
„ 10µA 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
G990P11U
Note: P1: SOP-8
1: Bonding Code
U: Tape & Reel
MARKING
G990
TEMP. RANGE
-40°C ~ +85°C
PACKAGE
(Green)
SOP-8
Pin Configuration
Typical Application Circuit
VEN 1
VIN 2
VO 3
VSET 4
G990
SOP-8
8 GND
7 GND
6 GND
5 GND
VSET
VEN
VIN
VO
VO =1.6 X VSET
G990
VSET
VEN
VIN
VO
GND
CO
2.2µF
C2.I2NµF
Ver: 1.0
Mar 23, 2009
TEL: 886-3-5788833
http://www.gmt.com.tw
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