MP6907

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Fast Turn-off Flyback Synchronous Rectifier that Supports CCM, DCM and QR Operation Modes



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Product Description

The MP6907 is a low-drop diode emulator controller IC that, when combined with an external MOSFET, can replace Schottky diodes in high-efficiency flyback converters. The MP6907 regulates the forward drop of an external switch to about 70mV, which switches off once the voltage becomes negative.
The MP6907 provides a SYNC interface to receive an external signal to shut down the gate driver for reliable continuous conduction mode (CCM) operation. A programmable light-load sleep mode can reduce the IC’s quiescent current to ~150μA.
The MP6907 is available in compact SOIC8 and TSOT23-6 packages.

Product Features

  • Works with 12V Standard and 5V Logic Level MOSFETS
  • Compatible with Energy Star 1W Standby Requirements
  • Fast Turn-Off Total Delay of 25ns
  • 4.2V~35V Wide VDD Operating Range
  • ~150μA Quiescent Current in Light-Load Mode(1)
  • Supports CCM, DCM, and Quasi-Resonant Operation
  • SYNC Interface for CCM Operation
  • Supports High-Side and Low-Side Rectification
  • Power Savings of up to 1.5W in a Typical Notebook Adapter
  • Available in SOIC8 and TSOT23-6 Packages

Parametrics

  • fsw (max) (kHz)400
  • Iq (mA)2.5
  • Iop (mA)8.5
  • Drain Rating180
  • VDD (min) (V)4.2
  • VDD (max) (V)35
  • Pout (max) (W)150
  • PackageSOIC-8, TSOT23-6
  • TypeController
  • GradeCatalog
  • Light-Load FunctionYes
  • Power Range DefinedNo

Evaluation Kit

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Kit details

The EV6902A+MP6907-S_J-00A is an evaluation board for the MP6902A and MP6907. It is configured to provide synchronous rectification solution for flyback.

MP6902A and MP6907 features a synchronous gate output which enables high efficiency rectification by replacing the schottky rectifier with a low Ron MOSFET. MP6907 has the wider VDD range and stronger driving capability than MP6902A.

$25.00 + tax