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G914H 参数 Datasheet PDF下载

G914H图片预览
型号: G914H
PDF下载: 下载PDF文件 查看货源
内容描述: 300毫安高PSRR ,低噪声LDO稳压器 [300mA High PSRR, Low-Noise LDO Regulators]
分类和应用: 稳压器电源电路
文件页数/大小: 11 页 / 290 K
品牌: GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
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Global Mixed-mode Technology Inc.
G914X
300mA High PSRR, Low-Noise LDO Regulators
Features
Ultra Low Output Noise⎯30µV (rms)
Ultra Low 55µA No-Load Supply Current
Ultra Low Dropout 70mV @ 50mA Load
Guarantee 300mA Output Current
Over-Temperature and Short-Circuit Protection
Fixed Mode: 2.70V (G914A), 2.80V (G914B)
3.00V (G914C), 3.30V (G914D)
2.50V (G914E), 2.85V (G914F)
1.50V (G914G), 1.80V (G914H)
Adjustable Mode: from 1.25V to 5.50V (G914Z)
PSRR=70dB
Max. Supply Current in Shutdown Mode < 1µA
Stable with low cost ceramic capacitors
General Description
The G914X is a low supply current, high PSRR low
dropout linear regulator that comes in a space saving
SOT-23-5 package. The supply current at no-load is
55µA. In the shutdown mode, the maximum supply
current is less than 1µA. Operating voltage range of
the G914X is from 2.5V to 5.5V. The over-current pro-
tection limit is set at 500mA typical and 400mA mini-
mum. An over- temperature protection circuit is built-in
in the G914X to prevent thermal overload. These
power saving features make the G914X ideal for use
in the battery-powered applications such as notebook
computers, cellular phones, and PDA’s.
Applications
Notebook Computers
Cellular Phones
PDA
Hand-Held Devices
Battery-Powered Application
Ordering Information
ORDER
NUMBER
G914A
G914B
G914C
G914D
G914E
G914F
G914G
G914H
G914Z
ORDER NUMBER
(Pb free)
G914Af
G914Bf
G914Cf
G914Df
G914Ef
G914Ff
G914Gf
G914Hf
G914Zf
MARKING
4Axx
4Bxx
4Cxx
4Dxx
4Exx
4Fxx
4Gxx
4Hxx
4Zxx
VOLTAGE
2.70V
2.80V
3.00V
3.30V
2.50V
2.85V
1.50V
1.80V
Adjustable
TEMP.
RANGE
-40°C~ +85°C
-40°C~ +85°C
-40°C~ +85°C
-40°C~ +85°C
-40°C~ +85°C
-40°C~ +85°C
-40°C~ +85°C
-40°C~ +85°C
-40°C~ +85°C
PACKAGE
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
Pin Configuration
G914A~G914H
IN
1
5
OUT
Typical Application Circuit
G914A~G914H
IN
OUT
OUTPUT
VOLTAGE
GND
2
BATTERY
C
IN
1µF
SHDN
BYP
GND
SHDN
3
4
BYP
C
BYP
10nF
C
OUT
4.7µF
SOT-23-5
G914Z
Fixed mode
G914Z
IN
OUT
R1
C
IN
1µF
BATTERY
SET
SHDN
GND
R2
5
OUT
OUTPUT
VOLTAGE
IN
1
GND
2
C
OUT
4.7µF
SHDN 3
4
SET
SOT-23-5
Adjustable mode
Ver: 1.8
Jul 24, 2007
TEL: 886-3-5788833
http://www.gmt.com.tw
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