Modeling and Application of Synchronous Rectifier Controller LTC3900

GW MB10F 0.8A 1000V rectifier bridge

Probe current voltage pin 420*4450 head diameter 5.0 over current current and voltage pin

MP24AE off-the-shelf supply

L0504-Murata muRata common mode inductor 90Ω 150mA

This paper introduces the characteristics of LT's synchronous rectification controller LTC3900, Spice modeling method and its application in synchronous rectification circuit, and creates an accurate spice model. Auxiliary design was performed in the LTspice simulation.

LTC3900 internal structure diagram

Differential current sensing circuit

The above is part of the content, see the PDF document for more details!