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L7987L Failure

Shivalee
Associate

Hi, we are using L7987L IC top generate -15V from 24V input. However, we see repetitive failure in the IC. I have attached the waveform also (Green- Input Voltage, Pink- Vout). I am also sharing the layout for the same. Switching frequency we have kept around 470 kHz.

Shivalee_0-1740635923190.pngShivalee_1-1740635934131.jpeg

Shivalee_2-1740636171581.png

 

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