DK503 - Adjustable BUCK switching power supply
Chip power pin Chip power pin Feedback foot Power supply pin Input Pin, external rectified DC input voltage http://www.dkpower.cn 2 EXTREME WORKING RANGE Project Symbols Min Supply voltage VDD US -0.3 PIN voltage UPV -0.3 Breakdown Voltage UPP -0.3 Peak current IPEAK Total dissipati
DK503 Features
* 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 cu