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LT1725 - General Purpose Isolated Flyback Controller

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www.DataSheet4U.com LT1725 General Purpose Isolated Flyback Controller FEATURES s s DESCRIPTIO s s s s s s s Drives External Power MOSFET with External ISENSE Resistor Application Input Voltage Limited Only by External Power Components Senses Output Voltage Directly from Primary Side Winding—No Optoisolator Required Accurate Regulation Without User Trims Regulation Maintained Well into Discontinuous Mode Switching Frequency from 50kHz to 250kHz with External Capacitor Optional Load Compensation Optional Undervoltage Lockout Available in 16-Pin SO and SSOP Packages The LT®1725 is a monolithic switching regulator controller specifically designed for the isolated flyback topology. It drives the gate of an external MOSFET and is generally powered from a third transformer winding.
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