NO LOAD CURRENT , chip be damaged with PH shorting to GND when the TPS54335A is kept being enabled？

user4621694

Part Number: TPS54335A

When our product is in sleep mode, the waveform of PH pin is showed below. please help confirm if the status is permitted.

over 6 years ago

0 Milo Zhu over 6 years ago

TI__Intellectual 2795 points

How about the VIN/VOUT? Also could please help share your schematic?

0 Jason Wang (BSR-MV) over 6 years ago

TI__Genius 9550 points

Hi Junqing,
it works under DCM mode, so the waveform which you present is normal.
the issue should be other reason.
Connect Milo Zhu via email for deep support. email address: peisheng-zhu@ti.com

0 user4621694 over 6 years ago in reply to Milo Zhu

Prodigy 140 points

Vin is 12V, Vout is 8.8V.

Power management

Power management forum

NO LOAD CURRENT , chip be damaged with PH shorting to GND when the TPS54335A is kept being enabled？