Block Diagram
TPD1011S
Pin Description
Pin No.
1
2
3
4
5
Symbol
Function
IN
DIAG
GND
OUT
VDD
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 overtemperature is detected or when output is short
circuited with input on (high).
n−channel open drain.
Ground pin.
Output pin.
When the load is short circuited and current in excess of the detection current flows to the output pin,
the output automatically turns on or off.
Power pin.
2
2002-10-24