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Fast Turn-off, CCM/DCM Compatible Dual-LLC Synchronous Rectifier with lmproved Noise Immunity
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The MP6925A is a dual, fast turn-off, intelligent rectifier for synchronous rectification in LLC resonant converters.
The IC drives two N-channel MOSFETs and regulates their forward voltage drop to VFWD (about 45mV). The IC turns the MOSFETs off before the switching current goes negative.
The MP6925A has light-load functionality to latch off the gate driver under light-load conditions, thus limiting the current below 175μA.
The MP6925A’s fast turn-off enables both continuous conduction mode (CCM) and discontinuous conduction mode (DCM).
The MP6925A requires a minimal number of external components, and is available in an SOIC-8 package.
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Features & Benefits
- Works with Standard and Logic Level MOSFETs
- Compatible with Energy Star
- Fast Turn-Off Total Delay of 35ns
- Wide 4.2V to 35V VDD Operating Range
- 175µA Low Quiescent Current in Light-Load Mode
- Supports CCM, CrCM, and DCM Operation
- Supports High-Side and Low-Side Rectification
- Available in an SOIC-8 Package
EV6925-S-00A Evaluation Kit High Efficiency Synchronous Rectification EV Board
The EV6925-S-00A is an evaluation board for the MP6925GS. It is configured to provide synchronous rectification solution for LLC topology.
MP6925GS features dual synchronous gate outputs which enables high efficiency rectification by replacing the schottky rectifier with a low Ron MOSFET.