Hi, everyone:
The board I designed refers to the Buck topology of JW1130, when I use a PWM wave to control the EN / DIM pin. Everything works, but the inductor screams.
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Hi, everyone:
The board I designed refers to the Buck topology of JW1130, when I use a PWM wave to control the EN / DIM pin. Everything works, but the inductor screams.
Dear Sir,
What is your dimming frequency?