Tag: A4447

42V Input – 3.3V @ 2A Output High Voltage Step Down Regulator
Power supply

42V Input – 3.3V @ 2A Output High Voltage Step Down Regulator

The project described here is a high voltage step-down regulator based on A4447 general-purpose buck converter chip from Allegro Semiconductor. The output voltage of the board is configured at 3.3V, but it is adjustable from 0.8 to 24V, based on the resistor divider R2 and R5. Connector...

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