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G916-475TOUF Datasheet

  • G916-475TOUF

  • 300mA High PSRR, Low Noise, LDO Regulators

  • 480.97KB

  • 13页

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Global Mixed-mode Technology Inc.
G916
300mA High PSRR, Low Noise, LDO Regulators
Features
Low, 90碌A No-Load Supply Current
Guaranteed 300mA Output Current
Dropout Voltage is 200mV @ 150mA Load
PSRR=65dB @ 120Hz; 55dB @ 1kHz
Over-Temperature Protection and Short-Circuit
Protection
Fixed Mode: 1.20V~5.00V (G916-XXX)
Adjustable Mode: from 1.25V to 5.50V (G916)
Max. Supply Current in Shutdown Mode < 1碌A
Low Output Noise at 28碌V
RMS
with bypass Ca-
pacitor
Stable with low cost ceramic capacitors
General Description
The G916 series is a low supply current, high PSRR,
low noise, and low dropout linear regulator that comes
in a space saving TSOT-23-5, SOT-23-5 package.
The supply current at no-load is 90碌A. In the shutdown
mode, the maximum supply current is less than 1碌A.
Operating voltage range is from 2.5V to 6.0V. The
over-current protection limit is set at 550mA typical. An
over- temperature protection circuit is built-in in the
Device to prevent thermal overload. These power
saving features make the G916 series ideal for use in
the battery-powered applications such as notebook
computers, cellular phones, and PDA鈥檚.
The G916 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.
G916-XXX is with fixed-mode output. The output voltage
range is from 1.2V to 5.0V.
Applications
Notebook Computers
Cellular Phones
PDAs
Digital still Camera and Video Recorders
Hand-Held Devices
Audio Codec
Pin Configuration
IN
1
5
OUT
锛?/div>
IN
OUT
R1
OUTPUT
VOLTAGE
G916
SHDN
GND
GND
2
G916
4
SET
SET
R2
C
OUT
1碌F
锛?/div>
BATTERY C
IN
1碌F
SHDN
3
SOT-23-5銆乀SOT-23-5
Adjustable mode
IN
1
5
OUT
IN
OUT
OUTPUT
VOLTAGE
GND
2
G916-XXX
BATTERY
4
BYP
锛?/div>
C
G916-XXX
IN
_
1碌F
SHDN
BYP
GND
C
OUT
1
碌F
C
BYP
10nF
SHDN
3
SOT-23-5銆乀SOT-23-5
Fixed mode
Ver: 1.7
Jan 25, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
1

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