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LM3414HV: PWM duty as 0% but LED does not completely turned off

Part Number: LM3414HV
Other Parts Discussed in Thread: LM3414

Hello,

- Direction : MCU(PWM Generate) -> PWM0 -> DIM0 -> LM3414 -> J7(Output to LED)

- Input to device from SMPS : 36V

- LED : 12(Serial) * 12(Parallel)

1~100% dimming control is working well as expected but when I set PWM duty as 0%

LED goes dimmed down but not completely turned off.

guess it's hardware dependant problem and help needed.

Regards,

Jay