Block Diagram
TPD1033F
Pin Description
Pin No. Symbol
Function
1
2
3
4
5, 6, 7
IN
DIAG
GND
VDD
OUT
Input pin.
Input is CMOS-compatible, with pull-down resistor connected.
Even if the input is open, output will not accidentally turn on.
Self-diagnosis detection pin. Goes low when overheating is detected or when output is short-circuited with
input on (high).
n-channel open drain.
Ground pin.
Power pin.
Output pin.
When the load is short-circuited and current in excess of the detection current (8 A typ.) flows to the
output pin, the output automatically turns on or off.
2
2006-10-31