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LM555: 12V, 3A Power switch with timer function.

Part Number: LM555
Other Parts Discussed in Thread: CSD19534KCS

Dear Sir.

I am developing the power module with timer function.

After 12V DC Jack inserted, and 5 minutes later, we want to switch off the 12V power connected to heater.

12V DC JACK --- LM555 --- MOSFET (to switch 12V) --- heater.(12V, 3A)

1. Could you share  a reference schematic ?

2. Could you recommend also TI's MOSFET ?

Best Regards,Yoon