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MAXIM frequency limiting circuit in Hysteresis Buck dc dc

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Y

ynhe

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Hi all
How to design a MAXIM frequency limiting circuit.
You know the switching frequency varied with load and input voltage in Hysteresis Buck .
I holp limit the frequency not to over 500kHZ.
Do you have any good ideas?

Thanks!
 

Re: MAXIM frequency limiting circuit in Hysteresis Buck dc d

In myself viewpoint,u can change oscillator current when input and load are varying,so the oscillator frequency may change .
 

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