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G917 fiches techniques PDF

Global Mixed-mode Technology - LDO Regulators

Numéro de référence G917
Description LDO Regulators
Fabricant Global Mixed-mode Technology 
Logo Global Mixed-mode Technology 





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G917 fiche technique
Global Mixed-mode Technology
G917
300mA High PSRR, Low Noise, LDO Regulators
Features
„ Low, 100µA No-Load Supply Current
„ Guaranteed 300mA Output Current
„ Dropout Voltage is 200mV @ 150mA Load
„ PSRR=65dB
„ Over-Temperature Protection and Short-Circuit
Protection
„ Adjustable Mode: from 1.2V to 5.5V
„ Max. Supply Current in Shutdown Mode < 1µA
„ Stable with low cost ceramic capacitors
Applications
„ Notebook Computers
„ Cellular Phones
„ PDAs
„ Digital still Camera and Video Recorders
„ Hand-Held Devices
„ Audio Codec
General Description
The G917 series is a low supply current, high PSRR,
low noise, and low dropout linear regulator that comes
in a space saving SOT-23-5 package. The supply
current at no-load is 100µA. In the shutdown mode,
the maximum supply current is less than 1µA. Operat-
ing voltage range is from 2.5V to 6.0V. The
over-current protection limit is set at 750mA typical. An
over- temperature protection circuit is built-in in the
Device to prevent thermal overload. These power
saving features make the G917 series ideal for use in
the battery-powered applications such as notebook
computers, cellular phones, and PDAs.
The G917 has two modes of operation. When the SET
pin is connected to ground, its output is a pre-set value:
3.3V. There is no external component needed. When an
output other than the preset value is needed, two ex-
ternal resistors should be used as a voltage divider. The
output voltage is then adjusted by the resistor ratio.
Ordering Information
ORDER
NUMBER
MARKING
VOLTAGE
G917T11U
917xx
Adjustable
For other output voltage, please contact us at sales@gmt.com.tw
Note:T1: SOT-23-5
1: Bonding Code
U: Tape & Reel
TEMP.
RANGE
-40°C~ +85°C
PACKAGE
(Green)
SOT-23-5
Pin Configuration
Typical Application Circuit
IN 1
G917
5 OUT
GND 2
SHDN 3
SOT-23-5
4 SET
BATTERY C1µINF
IN OUT
G917
SET
SHDN
GND
OUTPUT
VOLTAGE
R1
R2 C4.O7UµTF
Adjustable mode
Ver: 0.3
Jun 19, 2013
TEL: 886-3-5788833
http://www.gmt.com.tw
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