IR3555

Overview

Integrated PowIRstage is a synchronous buck gate driver IC with co-packed control and synchronous MOSFETs and Schottky diode.

Benefits

  • Integrated driver, Schottky diode, control MOSFET and synchronous MOSFET
  • 5mV / A on-chip MOSFET current sensing with temperature compensated reporting
  • Input voltage (VIN) range of 4.5V to 15V
  • VCC and VDRV supply of 4.5V to 7V
  • Output voltage range from 0.25V up to 5.5V
  • Output current capability of 60A
  • Operation up to 1.0MHz
  • VCC under voltage lockout (UVLO)
  • 8mV / oC temperature analog output and thermal flag pull-up to 3.3V
  • Over temperature protection (OTP)
  • Cycle-by-cycle self-preservation over current protection (OCP)
  • MOSFET phase fault detection and flag
  • Preliminary overvoltage protection (Pre-OVP)
  • Compatible with 3.3V tri-state PWM Input
  • Body-Braking™ load transient support through PWM Tri-state
  • Diode emulation mode (DEM) for improved light load efficiency
  • Efficient dual sided cooling
  • Small 6mm x 6mm x 0.9mm PQFN package
  • Lead free RoHS compliant package
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