Hello, I am having trouble with TPS62177.
Input voltage 12V, output 3.3V, R12 not soldered. And although the output voltage is 3.309V there is no PG signal. The voltage on the PG (7) leg is 3.3V and the transistor VT1 is closed. This is tested on more than 10 chips and the effect is repeated.
Why could this be?