Datasheet OB2203
Quasi-Resonant Flyback PWM Controller (PFC OB6563) исп. в БП монитора 6А 24ВFEATURES
- 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 Edge Blanking
- Programmable Soft-start
- External Latch Triggering
- Internal Temperature Shutdown
- 1A Peak Current Sink/Source Capability
- Programmable Over Voltage Protection (OVP)
APPLICATIONS
- Offline AC/DC flyback converter for
- Power Adaptor and Open-frame SMPS
- LCD Monitor/TV/PC/Set-Top Box Power Supplies
- NB/DVD/Portable DVD Power Supplies