OB3655PCQP-H Overview
OB3655x is an offline LED lighting controller with high constant current (CC) precision. It can achieve low system cost for an isolated lighting application by primary side control in a single stage converter. It significantly simplifies the LED lighting system design by eliminating auxiliary winding.
OB3655PCQP-H Key Features
- High precision constant current regulation at universal AC input
- Fast start-up (<0.5s)
- Primary-side sensing and regulation without
- Low system cost and high efficiency
- Quasi-resonant operation
- Programmable CC regulation
- Built-in primary winding inductance
- LED short circuit protection
- LED open loop protection
- Cycle-by-cycle current limiting