TPS2660: TPS26600 IF_FLT pin abnormal

Hermes Lin1

Part Number: TPS2660

hi sir:

TPS26600 IF_FLT pin abnormal has oscillation. (the oscillation time around 19ms~20ms)

0 Lokesh Ghulyani over 6 years ago

Hello,

Is there any ripple on the Input voltage? or are there transients on the load?

0 Hermes Lin1 over 6 years ago in reply to Lokesh Ghulyani

hi sir:

see below waveform (Vout / FL / Io), no ripple & transients.

0 Lokesh Ghulyani over 6 years ago in reply to Hermes Lin1

Hello,

Can you check if FLT pin goes low with lower output current (~1A) or with higher capacitance (10uF) at the input (C114)?

0 Lokesh Ghulyani over 6 years ago in reply to Lokesh Ghulyani

Hello Hermes,

I am closing this thread. If you have any further query please feel free to post here or on a new thread.

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