DC buck converters for 300watts drive

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vimalkhanna

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I need a simple /economic buck converter for 50VDc-90VDC input and output ratings are 24VDC/12Amps /300watts.
The same is for DC motor loads of 24VDC/250watts .
The load regulation /ripple are not very important but input range has a window for limiting ..
 

I shall try this and give a feedback on success .What IC /PWM driver did you use ? 3845 or some other ?
 

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