OB2203 Overview
Representative OB2203 image (package may vary by manufacturer)
Description
OB2203 is a highly integrated Quasi-Resonant (QR) controller optimized for high performance offline flyback converter applications. At normal load condition, it operates in QR mode with minimum drain voltage switching.
Key Features
- Multi-Mode Operation
- Quasi-Resonant Operation at Normal Loading
- Pulse Frequency Modulation (PFM) Operation at Light Load
- Burst Mode at No Load
- Direct Control of the Power Supply of PFC Controller for Improved Standby Power at No/Light Load