DC2781A

DC2781A demonstration circuit is a nonisolated buck converter featuring the LT8316. The demo board outputs 12V and maintains tight regulation with a load current from 10mA to 0.2A. It is optimized to operate over a wide 19V to 600V DC input voltage range. Output voltage accuracy stays within ±1% over the entire input voltage and load range. The LT®8316 is a high-voltage flyback controller that can implement a high-voltage buck converter if isolation is not needed. The nonisolated buck converter is a smaller, lower-cost solution than the flyback converter. Quasi-resonant boundary mode operation improves load regulation. The LT8316 is available in a thermally enhanced 20-pin TSSOP package with four pins removed for high voltage spacing.

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