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LM25117 Current Control mode with Diode emulation function

Kuramochi Tadahiko
Guru 28715 points
Other Parts Discussed in Thread: LM25117

Hi,

My customer is referring the circuit of LM25117 on datasheet fig 37.

On this circuit, is it possible to operate  diode emulation function?

I think that it is impossible.

Because the current control mode fails when the low-side NMOS is diabled by diode emulation function .

(And on fig 37. DEMB terminal is connected with VCC.)

Thanks and Regards,

Kuramochi