Datasheet

SN105125
150-mA LOW DROPOUT REGULATOR WITH POK
SLVS418 – JANUARY 2002
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
functional block diagram
Enable/Disable
Control
Voltage
Reference
Thermal
Sensor
Undervoltage
Lockout
Error
Amplifier
Gate Drive Control
and
Current Amplifier
Active
Shutdown
Voltage Supervisor
With
Delay Timer
Power Okay
Control
Overcurrent
Detection and
Dropout Voltage
Detection
Fault
Fault
V
I
EN
V
O
POK
GND
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME NO.
I/O
DESCRIPTION
EN 3 I Enable/shutdown input (active high)
GND 2 I Ground
POK 4 I Power okay indicator
V
I
1 I Input supply voltage
V
O
5 O Output voltage