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PDF G994 Data sheet ( Hoja de datos )
| Número de pieza | G994 | |
| Descripción | 4X Linear Fan Driver | |
| Fabricantes | Global Mixed-mode Technology | |
| Logotipo |  |
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Global Mixed-mode Technology Inc.
G994
4X Linear Fan Driver for 12V DC Fan
Features
VO Follows 4.0 Times of VSET
0.5V Dropout @ 0.5A
Over Current and Over Temperature Protection
Enable Pin
100µA Quiescent Current in Shutdown
Power TO-252-5, SOP-8, SOP-8 with power pad
Package
Applications
Notebook Computer Fan Driver
Projector Cooling Fan
Battery Powered Systems
Motherboards
Peripheral Cards
Ordering Information
ORDER
NUMBER
G994TJU
G994P1U
G994F1U
Note: TJ: TO-252-5
U: Tape & Reel
P1: SOP-8
MARKING
994
G994
G994
F1:SOP (FD)
General Description
The G994 is a high performance positive voltage regu-
lator designed for use in applications requiring very
low dropout voltage at up to 0.5 Amps. The G994 VO
output voltage follows the 4.0 times of VSET voltage
until it reaches VIN voltage. The VSET voltage must
be larger than 1V to guarantee VO 4.0 times of VSET.
An enable pin further reduces power dissipation while
shut down. The G994 provides excellent regulation
over variations in line, load and temperature.
The G994 is available in the power TO-252-5, SOP-8
and SOP-8 with power pad package.
TEMP.
RANGE
-40°C ~ +85°C
-40°C ~ +85°C
-40°C ~ +85°C
PACKAGE
(Pb free)
TO-252-5
SOP-8
SOP-8 (FD)
Pin Configuration
Typical Application Circuit
G994
GND
Top View
123 4 5
VO VIN GND VEN VSET
TO-252-5
Ver: 1.0
Jan 25, 2006
VO 1
VIN 2
VEN 3
VSET 4
G994
SOP-8
8 GND
7 GND
6 GND
5 GND
VO 1
G994
8 NC/GND
VIN 2
7 NC/GND
VEN 3
6 GND
VSET 4
5 NC/GND
SOP-8 (FD)
1
VSET
VEN
VIN
VO
G994
VSET
VEN
VIN
VO
GND
1C0OµF
C2.I2NµF
VO =4 X VSET
VSET
VIN
VO
G994
* VSET
VEN
VIN
VO
GND
1C0OµF
C2.I2NµF
VO =4 X VSET
* : VSET < 0.3V Disable; VSET >1V Enable
TEL: 886-3-5788833
http://www.gmt.com.tw
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet G994.PDF ] | |
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