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MP6928A

MP6928A

Fast Turn-Off, Dual-Channel Intelligent Rectifier with Adaptive Forward Regulation Voltage and Ultra-Low Sleep Mode Current

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Description

The MP6928A is a dual-channel, 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 adaptive V_FWD. The IC turns the MOSFETs off before the switching current goes negative.

The MP6928A has light-load functionality to latch off the gate driver under light-load conditions, thus limiting the current below 150μA.

Fast turn-off enables continuous conduction mode and discontinuous conduction mode. Internal reverse-current protection ensures safe MOSFET operation under high-frequency, continuous current conditions.

The MP6928A requires a minimal number of readily available, standard external components. It is available in an SOIC-8 package.

Advantages Include:

Fast turn-off speed (about 35ns)
Supports CCM, DCM, and CrCM mode
Has light-load function to latch off the gate driver under light-load conditions, limiting the current to 85μA
Drive two N-channel MOSFETs, adaptive forward voltage drop regulation

Features & Benefits

Works with 12V Standard and 5V Logic Level FETS
Compatible with Energy Star, 0.5W Standby Requirements
Fast Turn-Off Total Delay
4.3V to 35V Wide VDD Operating Range
<150μA Quiescent Current
Supports CCM, CrCM, and DCM Operation
Supports High-Side and Low-Side Rectification

Design Resources

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