TPPM0303_15 Datasheet, PDF (2/13 Pages) Texas Instruments – 250-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT

TPPM0303
250-mA LOW-DROPOUT REGULATOR
WITH AUXILIARY POWER MANAGEMENT
SLVS364 – FEBRUARY 2001
functional block diagram
5VCC
Linear Regulator
With LDO
5-V
Detection
Gate Drive
and Control
Current
Sensor
3.3VOUT
Over
Temperature
5VAUX
5VAUX
Detection
Linear Regulator
With LDO
Gate Drive
and Control
Current
Sensor
3.3VAUX 3VAUX
Detection
Low ON
Resistance
Switch
Current
Sensor
5-V Detection
and Control
Gate Drive
TERMINAL
NAME
NO.
3.3VAUX
4
3.3VOUT
3
5VAUX
1
5VCC
2
GND
7
NC
5,6,8
Terminal Functions
I/O
DESCRIPTION
I 3.3-V auxiliary input
O 3.3-V output with a typical capacitance load of 4.7 µF
I 5-V auxiliary input
I 5-V main input
I Ground
No internal connection
GND
2
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