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UCD7138 Datasheet 4-a And 6-a Single-channel Synchronous-rectifier Driver

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & munity UCD7138 SLVSCS1B – MARCH 2015 – REVISED MAY 2015 UCD7138 4-A and 6-A Single-Channel Synchronous-Rectifier Driver With Body-Diode.

General Description

The UCD7138 device is a 4-A and 6-A single-channel MOSFET driver with body-diode conduction sensing and reporting and is a high performance driver that allows the Texas Instruments UCD3138A digital PWM controller to achieve advanced synchronousrectification (SR) control.

The device contains a highspeed gate driver, a body-diode conduction-sensing circuit, and a turnon delay optimization circuit.

The device is suitable for high-power, high-efficiency isolated converter applications where SR dead-time optimization is desired.

Key Features

  • 1 Low-Side Gate Driver With Body-Diode Conduction Sensing.
  • Gate Turnoff Edge Body-Diode Conduction Reporting.
  • Gate Turnon Edge Delay Optimization.
  • Works Together With the Dead-Time Compensation (DTC) Module in the UCD3138A Family of Digital Power Controllers:.
  • Automatic or Manual Dead-Time Adjustment of Gate Turnon and Turnoff Edges.
  • Negative Current Protection.
  • -150-mV Body-Diode Conduction Sensing Threshold.
  • Able to Sense.

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