TPS23753: PMP8803 Unstable at no load

user5006944

Part Number: TPS23753

PMP88803, 12V 1A Unstable at no load. But when the current is 6mA, the output voltage is normal. please help to solve the problem.

over 4 years ago

0 Brett Colteaux over 4 years ago

TI__Expert 3700 points

Hi,

Thank you for your question. Our team is currently out of the office and plan to be back in the office on Monday, 7/1. We will respond as soon as possible. Thank you for considering Texas Instruments PoE products.

Best Regards,

Brett Colteaux

0 Darwin Fernandez over 4 years ago in reply to Brett Colteaux

TI__Mastermind 40100 points

Hi User,

I recommend looking at the below FAQ. Your board is not meeting the MPS spec that is required by the IEEE802.3 PoE Standard.

https://e2e.ti.com/support/power-management/f/196/t/756769?tisearch=e2e-sitesearch&keymatch=mps%20darwin

Please let us know if this helps. Thanks!

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TPS23753: PMP8803 Unstable at no load