A dc to dc buck converter with wide range controlled output voltage

DC-DC Power Converters
1

Hi, I want to create a dc to dc buck converter with an input voltage range from 24 to 36 voltage, and an output voltage range from 12, to close to the input voltage, whatever that may be. The output voltage has to be controllable from a microcontroller output, either via serial comms, or something simpler like an analog output created by a pwm voltage driving an RC filter.
The output current needs to be up to 10 amps, so I’m guessing the converter chip would be driving external mosfets.
Fast transient response, or change in output voltage is not required.

Any advice on a suitable converter chip and circuit design would be appreciated.

Thanks,

Geoff

2

Hello Geoff,

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Thank you,
Eliza