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IR3558 Datasheet 45a Integrated Powirstage

Manufacturer: International Rectifier (now Infineon)

Overview: 45A Integrated PowIRstage® IR3558.

General Description

The IR3558 integrated PowIRstage® is a synchronous buck gate driver co-packed with a control MOSFET and a synchronous MOSFET with integrated Schottky diode.

It is optimized internally for PCB layout, heat transfer and driver/MOSFET timing.

Custom designed gate driver and MOSFET combination enables higher efficiency at lower output voltages required by cutting edge CPU, GPU and DDR memory designs.

Key Features

  • Peak efficiency up to 94.0% at 1.2V.
  • Integrated driver, control MOSFET, synchronous MOSFET and Schottky diode.
  • Input voltage (VIN) operating range of 4.5V to 15V.
  • Separate LVCC and HVCC from 4.5V to 13.2V to optimize converter efficiency.
  • Output current capability of 45A DC.
  • Switching frequency up to 1.0MHz.
  • Programmable thermal flag threshold from 70°C to 150°C.
  • 5V VCC with under voltage lockout.
  • Low quiescent current.
  • Enable control.
  • Sele.

IR3558 Distributor & Price

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