G914X_07 Datasheet, PDF (1/11 Pages) Global Mixed-mode Technology Inc – 300mA High PSRR, Low-Noise LDO Regulators

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
ORDER NUMBER
(Pb free)
G914A
G914Af
G914B
G914Bf
G914C
G914Cf
G914D
G914Df
G914E
G914Ef
G914F
G914Ff
G914G
G914Gf
G914H
G914Hf
G914Z
G914Zf
Pin Configuration
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
Typical Application Circuit
G914A~G914H
IN 1
5 OUT
GND 2
SHDN 3
4 BYP
＋
C_IN
－ ^1µF
BATTERY
G914A~G914H
IN
OUT
SHDN
GND
BYP
OUTPUT
VOLTAGE
CBYP
10nF
COUT
4.7µF
IN 1
SOT-23-5
G914Z
5 OUT
GND 2
SHDN 3
4 SET
＋
C_IN
BATTERY ^{－ 1µF}
Fixed mode
G914Z
IN
OUT
SET
SHDN
GND
OUTPUT
VOLTAGE
R1
C_OUT
4.7µF
R2
Ver: 1.8
Jul 24, 2007
SOT-23-5
Adjustable mode
TEL: [phone]
http://www.gmt.com.tw
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