Description
OB2263 is a highly integrated current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback converter applications in sub 30W range.
PWM switching frequency at normal operation is externally programmable and trimmed to tight range.
Features
- On-Bright Proprietary Frequency Shuffling Technology for Improved EMI Performance.
- 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 VDD Startup Current and Low Operating
Current (1.4mA).
- Leading Edge Blanking on Current Sense Input.
- Good Protection Coverage With Auto Self-
Recovery o VDD Over Voltag.