Hi, I am using two MPM3683-7 DC-DC converters in my custom board. They are used in identical manner with same configuration of VOUT and VIN, one of it is working fine but other is not generating output voltage. I have checked its internal LDO voltage, it is also 0V. I tried to give VCC externally with 3.3V supply, even then there is no output.
I am suspecting device fault, Is there any way to make sure it is device failure by checking impedances or probing voltage at other pins.
Any suggestion would be appreciated.