Analog Devices Inc.

High Power Isolated Flyback Controller Features: Drives External Power MOSFET Supply Voltage Range: 4.5V to 20V Flyback Voltage Limited Only by External Components Senses Output Voltage Directly from Primary Side Winding—No Optoisolator Required Moderate Accuracy Regulation Without User Trims Regulation Maintained Well into Discontinuous Mode Switching Frequency from 50kHz to 250kHz with External Capacitor Available in 16-Pin GN and SO Packages Optional Load Compensation Optional Undervoltage Lockout External ISENSE Resistor Shutdown Feature Reduces IQ to 50µA Typ

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