Data Sheet

2
www.fairchildsemi.com
FPF2123-FPF2125 Rev. F
FPF2123-FPF2125 IntelliMAX™ Advanced Load Management Products
Functional Block Diagram
Pin Configuration
Pin Description
Pin Name Function
1 V
IN
Supply Input: Input to the power switch and the supply voltage for the IC
2 GND Ground
3 ON ON Control Input
4 ISET Current Limit Set Input: A resistor from ISET to ground sets the current limit for the switch.
5 V
OUT
Switch Output: Output of the power switch
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
CONTROL
LOGIC
V
IN
ON
V
OUT
ISET
GND
REVERSE
CURRENT
BLOCKING
V
IN
GND
ON
ISET
V
OUT
SOT23-5
1
2
3 4
5