Description of Operation cont.
State Diagram for the part options with Blanking and Auto-Restart (FPF2024/5)
OFF
ON
(V OR T)
FAULT
START UP &
BLANKING
(F u ll -fe atu r e
for 10ms)
Notes:
All States return to OFF when ON is removed.
Typical timing values are shown .
Key: I=Load Switch current, V=Input Voltage, T= Die Temperature
I FAULT
(I AND V AND T)
OK
SLEEP
(Monitor SW
current only
for 257ms)
END 70ms
I FAULT
I FAULT
END 257ms
(I AND V AND T)
OK
A U T O-
RESTART
70ms
WAKEUP
( F u ll- featur e
for 1ms)
(V OR T)
FAULT
Figure 21. Representative State Diagram of FPF2024/5
©2008 Fairchild Semiconductor Corporation
11
FPF2024/5/6/7 Final. B
www.fairchildsemi.com