Current flow controller for DC Motors

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  1. - 9th October 2008, 11:37 #15
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    sougata
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    Default Reverse Recovery

    Quote Originally Posted by mikebar View Post
    IRFZ44 has an internal avalanche diode. So my one outside is useless.
    The MOSFET body diode is not a soft recovery type. While you can live without an external diode putting one may save trouble. Switch Off ringing + Brush Noise + Reverse Recovery Time may kill your MOSFET.

    You can use SG3525 PWM controller that solves your whole purpose.
    Last edited by sougata; - 9th October 2008 at 11:41.
    Regards

    Sougata
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