12Vdc-52Vdc Input, 12V @ 250mA Output, Isolated Flyback
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The PMP4218 reference design uses the TPS40210 to generate a 12V/0.25A output from either a 24VAC or 12Vdc-52Vdc input. This design achieves over 80% efficiency and uses 100% surface mount parts. This circuit consumes less than 2 square inches on a single-sided, two layer, PCB layout.