OB2203
Description
OB2203 is a highly integrated Quasi-Resonant (QR) controller optimized for high performance offline flyback converter applications.
Key Features
- Multi-Mode Operation
- Quasi-Resonant Operation at Normal Loading
- Pulse Frequency Modulation (PFM) Operation at
- Burst Mode at No Load
- Direct Control of the Power Supply of PFC
- 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 pensation
Applications
- Power Adaptor and Open-frame SMPS
Representative OB2203 image (package may vary by manufacturer)