Datasheet
SLVS312A – JULY 2000 – REVISED DECEMBER 2002
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
timing diagram
t
d1
t
b
t
d1
t
d2
t
d1
PG OFF
Delay
Protect
Occur
PSON
Off
PSON
On
AC Off
V
DD
PSON
FPO
PGI
3.3 V, 5 V
12 V
PGO
PSON
On
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME NO.
I/O
DESCRIPTION
FPO 3 O Inverted fault protection output, open drain output stage
GND 2 Ground
PGI 1 I Power good input
PGO 8 O Power good output, open drain output stage
PSON 4 I ON/OFF control
V
DD
7 I Supply voltage/12 V overvoltage protection input pin
VS33 5 I 3.3 V over/undervoltage protection
VS5 6 I 5 V over/undervoltage protection