G9052

G9052
Global Mixed-mode Technology Inc.
Dual, 300mA Low-Dropout Linear Regulators
Features
General Description
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The G9052 is a dual, low supply current, low dropout
linear regulator that comes in a space saving
TDFN2X2-8 package. The supply current at no-load is
100µA. In the shutdown mode, the maximum supply
current is less than 1µA. The over-current protection
limit is set at 430mA typical. An over-temperature protection circuit is built-in in the G9052 to prevent thermal overload. These power saving features make the
G9052 ideal for use in the battery-powered applications such as notebook computers, cellular phones,
and PDA’s.
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Two Low-Dropout-Voltage Regulators
Pin-Programmable Output Voltages
300mA Output Current for Each LDO
Independent Enable Control
Dropout Voltage is 90mV@ 100mA Load
Over-Temperature Protection and Short-Circuit
Protection
Max. Supply Current in Shutdown Mode < 1µA
Small Ceramic Output Capacitors
Applications
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The G9052 have two logic inputs that select one of
nine preset output-voltage combinations, eliminating
external 1% resistors. The G9052 configures output
voltages at VOUT1 and VOUT2 based on the state of
P1 and P2 at power-on. Subsequent changes to P1
and P2 do not change the output voltages unless the
supply power is cycled, or all EN inputs are simultaneously driven low to shut down the device. These
devices feature a shutdown function and are offered in
active low with auto discharge. The G9052 comes in a
space saving TDFN2X2-8 package.
Notebook Computers
Cellular Phones
PDAs
Digital still Camera and Video Recorders
Hand-Held Devices
Bar Code Scanners
Output-Voltage Programming
P1
P2
VOUT1
VOUT2
OPEN
OPEN
3.00
1.80
OPEN
OPEN
GND
GND
VIN
OPEN
3.30
1.50
2.85
3.00
1.50
1.85
GND
GND
GND
VIN
2.85
2.80
1.80
3.30
VIN
VIN
OPEN
GND
1.20
2.80
1.30
2.80
VIN
VIN
2.80
2.85
Ordering Information
ORDER
NUMBER
MARKING
TEMP.
RANGE
PACKAGE
(Pb free)
G9052RC1U
9052
-40°C to +85°C
TDFN2X2-8
Note: RC: TDFN2X2-8
1: Bonding Code
U: Tape & Reel
Pin Configuration
Typical Application Circuit
VIN
G9052
G9052
VIN
IN
VIN
1
EN1
2
P2
3
P1
4
8
Thermal
Pad
7
VOUT2
6
GND
5
EN2
VOUT1
OUT1
COUT1
1µF
CIN
2.2µF
VOUT1
P1
P2
TDFN2X2-8
VOUT2
OUT2
VIN
EN1
SHDN1
VIN
EN2
SHDN2
COUT2
1µF
GND
Note: Recommend connecting the
Thermal Pad to the GND for
excellent power dissipation.
TEL: 886-3-5788833
http://www.gmt.com.tw
Ver: 0.4
Jan 11, 2008
1