UC3901DW Datasheet

Feedback Loop Power Controllers


The UC3901DW family is designed to solve many of the problems associated with closing a feedback control loop across a voltage isolation boundary. As a stable and reliable alternative to an optical coupler, these devices feature an amplitude modulation system which allows a loop error signal to be coupled with a small RF transformer or capacitor. UC3901DW Features • An Amplitude-Modulation System for Transformer Coupling an Isolated Feedback Error Signal• Low-Cost Alternative to Optical Couplers• Internal 1% Reference and Error Amplifier• Internal Carrier Oscillator Usable to 5MHz• Modulator Synchronizable to an External Clock• Loop Status Monitor


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Manufacturer information

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