Description
OB2268/9 is a highly integrated current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback converter applications in above 20W power level.
PWM switching frequency at normal operation is externally programmable and trimmed to tight range.
Features
- Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design.
- Audio Noise Free Operation.
- External Programmable PWM Switching
Frequency.
- Internal Synchronized Slope Compensation.
- Low VIN/VDD Startup Current(4uA) and Low
Operating Current (2.3mA).
- Leading Edge Blanking on Current Sense Input.
- Complete Protection Coverage With Auto Self-
Recovery o External Programmable Over Temperature
Protection (OTP) o With or Without On-chip VDD OVP f.
OB2268 Datasheet
