OB2268CP SOP8 original

OB2268 OB2268CP SOP8 IC original

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 SelfRecovery o External Programmable Over Temperature Protection (OTP) o With or Without On-chip VDD OVP for Output Over Voltage Protection. o Under Voltage Lockout with Hysteresis (UVLO) o Gate Output Maximum Voltage Clamp (18V) o Line Compensated Cycle-by-Cycle Overcurrent Threshold Setting For Constant Output Current Limiting Over Universal Input Voltage Range (OCP) o Over Load Protection. (OLP) ■ On-Bright Proprietary Frequency Shuffling Technology for Improved EMI Performance (OB2269 only) APPLICATIONS Offline AC/DC flyback converter for ■ Laptop Power Adaptor ■ PC/TV/Set-Top Box Power Supplies ■ Open-frame SMPS ■ Battery Charger