Description
OB2278 is a highly integrated current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback converter applications.
Features
- Power On Soft Start 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(3uA) and Low Operating Current (2.3mA).
- Leading Edge Blanking on Current Sense Input.
- Complete Protection Coverage with selective protections for Latch Shutdown o VDD Over Voltage Protection(OVP).
- Latch Shutdow.