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G990 Datasheet(PDF) 2 Page - Global Mixed-mode Technology Inc

Part # G990
Description  1.6X Linear Fan Driver
PDF  2 Pages
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Manufacturer  GMT [Global Mixed-mode Technology Inc]
Direct Link  http://www.gmt.com.tw
Logo GMT - Global Mixed-mode Technology Inc

G990 Datasheet(HTML) 2 Page - Global Mixed-mode Technology Inc

  G990 Datasheet HTML 1Page - Global Mixed-mode Technology Inc G990 Datasheet HTML 2Page - Global Mixed-mode Technology Inc  
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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
10µA 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
2.2µF
C
O
2.2µF
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
2.2µF
C
O
2.2µF
VEN
VSET
VO
SOT-89-5
G993
1
23
5
4
GND
VEN
VIN
VSET



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