Current Mode PWM Controller

GENERAL DESCRIPTION\nOB2268/9 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.\nPWM switching frequency at normal operation is externally programmable and trimmed t ■ Extended Burst Mode Control For Improved\n   Efficiency and Minimum Standby Power Design\n■ Audio Noise Free Operation\n■ External Programmable PWM Switching\n   Frequency\n■ Internal Synchronized Slope Compensation\n■ Low VIN/VDD Startup Current(4uA) and Low\n   Operating Current (2.3mA)\n■ Leadi;

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