TPD1037BS
Pin Description
Pin No.
1
2
3
Symbol
IN
OUT
GND
Pin Description
Input pin.
This pin is connected to a pull-down resistor internally, so that even when input wiring is open-circuited,
output can never be turned on inadvertently.
Output pin.
If an inrush current flows (e.g., from a lamp), the current is clamped at 10 A (typ.) by an overcurrent
protective circuit. Also, a 150 μs (typ.) mask circuit is included internally, so that if VDS ≥ 12 V (typ.) after
this mask time, the current is clamped at 3 A (typ.)
Ground pin.
Timing Chart
Input signal
Overcurrent
detection
VDS
(VDS ≥ 12 V)
Overheat
detection
Output signal
(output current)
Current limiting Current limiting
2
2007-03-28