SY5955 Overview
Description
The SY5955 is a PFC+LLC combo controller, which integrates a Boost PFC controller and a resonant halfbridge controller. The Boost converter works in CrM/DCM mode to minimize switching losses and get better EMI performance.
Key Features
- PF>0.95, THD<5%
- Boost Quasi Resonant (QR) Operation
- Boost Burst Operation at Light Load
- LLC Fast Dynamic Response
- LLC Integrated Half Bridge Driver
Representative SY5955 image (package may vary by manufacturer)
