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LP8866S-Q1: How to test loop characteristics？

Meng Liu
Intellectual 1765 points
Part Number: LP8866S-Q1

Hi Expert

How to test device loop characteristics? Does it add 10ohm resistor in FB?

  • 0
    TI__Mastermind 22255 points

    HI, Meng

    For device loop characteristics, customer can add a 50ohm resistor to FB and inject the current. Mostly we test the loop characteristics for the boost part of the device. And for this test, pls confirm that the output current is constant not a PWM duty.