DK503 - Adjustable BUCK switching power supply

DongKe Semicondutor

Datasheet Details

Chip power pin Chip power pin Feedback foot Power supply pin Input Pin, external rectified DC input voltage http://www.dkpower.cn 2

Full voltage input 85V-265V.
Built-in 700V high voltage power tube.
High voltage constant current starting circuit is integrated inside, no external starting resistance is needed.
Patented self-powered technology, no external auxiliary winding power supply.
Built-in peak current adjustment function, according to the load real-time adjustment peak current, stable working frequency.
The output voltage can be adjusted by FB resistance.
Over-temperature, over-vol.

DK503 Stock/Price

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DongKe Semicondutor DK503-like datasheet