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[FAQ] TPS61220: The output voltage drop and can't maintain after adding load

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Replies: 1

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Part Number: TPS61220

The device can output setting value at no loading, but when adding load, such as 5mA or 10mA, the output voltage drops down and can't maintain.

Best Regards

Jasper Li
Boost Converter Solution 

  • The issue is probably caused by no good layout. maybe the routing between the output capacitor and the IC pins is too long, which introduces lots of noise into the control circuit of the IC. please following the application note   to reveiw the layout. if find something not good, just expriment in current PCB to confirm the issue.

    Best Regards

    Jasper Li
    Boost Converter Solution 

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