MP9989
CCM/DCM Flyback Ideal Diode with Integrated 100V/10mΩ MOSFET and No Need for Auxiliary Winding
Evaluation Tools
EV9989-S-00A Evaluation Kit High Efficiency Synchronous Rectification EV Board for SOIC package type.
The MP9989 is a fast turn-off, intelligent rectifier for flyback converters that integrates a 100V MOSFET. It can replace a diode rectifier for higher efficiency and power density. The chip regulates the forward voltage drop of the internal power switch to 40mV and turns off before the drain-source voltage reverses.
The MP9989 can generate its own supply voltage without the need for auxiliary winding, which makes it suitable for charger applications with a low output voltage requirement or any other adaptor applications with high-side set-up. The internal ringing detection circuitry prevents the MP9989 from falsely turning on during discontinuous conduction mode (DCM) or quasi-resonant operations.
EV9989-S-00A is the evaluation board for MP9989 SOIC package type.
High Efficiency Synchronous Rectification EV Board for QFN package type
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