IR3553 Datasheet (PDF) Download
International Rectifier
IR3553

Overview

The IR3553 integrated PowIRstage® is a synchronous buck ga.

  • Peak efficiency up to 93.2% at 1.2V
  • Integrated driver, control MOSFET, synchronous MOSFET and Schottky diode
  • Input voltage (VIN) operating range up to 15V
  • Output voltage range from 0.25V to Vcc-2.5V, or to
  • 5V if internal current sense amplifier is not used
  • Output current capability of 40A DC
  • Operation up to 1.0MHz
  • Integrated current sense amplifier
  • VCC under voltage lockout
  • Thermal flag