Typical Application Circuit
OFF ON
VIN
VOUT
FPF2100 - FPF2107
ON
FLAGB
GND
TO LOAD
Functional Block Diagram
VIN
UVLO
ON
CONTROL
LOGIC
THERMAL
SHUTDOWN
CURRENT
LIMIT
VOUT
FLAGB
Pin Configuration
Pin Description
Pin
Name
1
VIN
2
GND
3
ON
4
FLAGB
5
VOUT
GND
VIN 1
5 VOUT
GND 2
ON 3
4 FLAGB
SOT23-5
Function
Supply Input: Input to the power switch and the supply voltage for the IC
Ground
ON Control Input
Fault Output: Active LO, open drain output which indicates an over current supply,
under voltage or over temperature state.
Switch Output: Output of the power switch
2
FPF2100-FPF2107 Rev. H
www.fairchildsemi.com