UPSL101 Overview
The UTC UPSL101 is a primary side control offline LED lighting controller which can achieve high power factor and accurate LED current for an isolate lighting application in a single converter. The UTC UPSL101 can control the LED current accurately from the primary side information. It can significantly simplify the LED lighting system design by eliminating the secondary side feedback ponents and the opto-coupler.
UPSL101 Key Features
- FEATURES
- Primary-side control with single stage PFC topology
- Transition mode (TM) operation to achieve high efficiency
- Minimized BOM count
- Cycle-by-cycle current limiting (OCP)
- Selectable threshold of OCP
- High current accuracy
- VCC over voltage protection
- Analog multiplier for power factor correction
- Over-temperature protection