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MC33063A: Schematic Review And Ipk Sense Pin Consult

Part Number: MC33063A

Hi Team,

Can you please review the schematic of MC33063A? Thanks.

The detailed system design specifications are list below.

Vin = 7 - 25V, Vout=4V, Iout_max = 150mA.

  

Another thing is that Ipk pin is not working normally when Vin>15V under above schematic. Do you have any clues for that?

Best Regards,

Stanley