Description
OB2203 is a highly integrated Quasi-Resonant (QR) controller optimized for high performance offline flyback converter applications..
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.
- 40KHz Minimum Frequency Limit at QR Mode.
- 130KHz Maximum Frequency Limit.
- Internal Minimum T_off for Ringing Suppression.
- 45us Maximum On Time Limit.
- Adaptive Slope Compensation.
- Internal Leading Edg.
