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MP6902

Fast Turn-off Intelligent Rectifier w/Light Load Management for Flyback

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MP6902

MP6902

Fast Turn-off Intelligent Rectifier w/Light Load Management for Flyback

Datasheet

Description

The MP6902 is a Low-Drop Diode Emulator IC for Flyback converters which combined with an external switch replaces Schottky rectification diodes for high efficiency. The chip regulates the forward drop of an external switch to about 70mV and switches it off as soon as the voltage becomes negative. MP6902 has a light-load sleep mode that reduces the quiescent current to <300uA.

Features & Benefits

Supports DCM and Quasi-Resonant Flyback Converters
Works with 12V Standard and 5V Logic Level FETS
Compatible with Energy Star, 1W Standby Requirements
VDD Range From 8V to 24V
Fast Turn-off Total Delay of 20ns
Max 400kHz Switching Frequency
<300μA Quiescent Current at Light Load Mode
Supports High-side and Low-side Rectification
Power Savings of Up to 1.5W in a Typical Notebook Adapter

Active Part Numbers:

MP6902DS-LF-P MP6902DS-LF-Z

Meaning of P & Z

Evaluation Tools

EV6902-S-00B Evaluation Kit High Efficiency Synchronous Rectification EV Board

The EV6902-S-00B is an evaluation board for the MP6902DS. It is configured to provide synchronous rectification solution for Flyback/LLC topology.

MP6902DS features a synchronous gate output which enables high efficiency rectification by relating the schottky rectifier with a low Ron MOSFET.

Design Resources

Application Note

Application Note

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Technical Forum

Questions answered by MPS engineers in 24h

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All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.

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