Description
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
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 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 Datasheet
