CR6228

CR622X—CR6221/6224/6228/6229 Green-Power Current Mode PWM Power Switch Feature z z z z z z z z Power on Soft Start Reducing MOSFET Vds Stress Frequency shuffling for EMI Burst Mode Control For Improved Efficiency and Minimum Standby power Design Audio Noise Free Operation Normal 50 KHz Switching Frequency Internal Synchronized Slope Compensation Low VDD Startup Current and Low Operating Current Leading Edge Blanking on Current Sense Input z z Pb-Free SOP-8L& DIP-8L Good Protection Coverage With Auto Self-Recovery ¾ VDD Over Voltage Clamp and Under Voltage Lockout with Hysteresis (UVLO) ¾ Line Input Compensated Cycle-by-Cycle Over-current Threshold Setting For Constant Output Power Limiting Over Universal Input Voltage Range ¾ Overload Protection (OLP) ¾ Over Voltage Protection (OVP) Applications z z z Battery Charger Digital Cameras and camcorder Adaptor VCR, SVR, STB, DVD & DVCD Player SMPS z z z Set-Top Box (STB) Power Auxiliary Power Supply for PC and Server Open-frame SMPS General Description CR622X combines a dedicated current mode PWM controller with a high voltage power MOSFET. It is optimized for high performance, low standby power, and cost effective off-line flyback converter applications in sub 24W range. CR622X offers complete protection coverage with automatic self-recovery feature including Cycle-by-Cycle current limiting (OCP), over load protection (OLP), VDD over voltage clamp and under voltage lockout (UVLO). Excellent EMI performance is achieved with frequ...