IR3548

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

ParametricIR3548
Input Voltage  min  max4.25V  17.0V
Iout60.0A
Output Voltage  min  max0.25V  4.0V
PackagePQFN / 6 x 8
Switching Frequency  max1500.0kHz
TechnologyPowIRstage
Sales Product NameIR3548
OPNIR3548MTRPBF
Product Statusactive
Package NamePQFN 6X8 49L
Completely lead freeyes
Halogen freeyes
RoHS compliantyes
Packing Size3000
Packing TypeTAPE & REEL
Moisture Level3
Benefits:
  • Integrated Dual, Doubler or Quad mode Driver
  • 2 pairs of high and low side MOSFETs
  • Peak efficiency up to 94% at 1.2V
  • Variable gate drive, VDRV, from 4.25V to 12V to optimize system efficiency
  • 5V VCC and VDRV capability for sleep states where only 5V is available
  • Input voltage (VIN) range of 4.25V to 17V
  • Output current capability of 30A/phase
  • Switching frequency up to 1.5MHz
  • Ultra-low Rg MOSFET technology minimizes switching losses for optimized high frequency performance
  • Synchronous MOSFET with monolithic integrated Schottky diode reduces dead-time and diode reverse recovery losses
  • Low quiescent current (1uA typical) for VR12.6/VR12.6+ notebook applications
  • Independent enable control for each phase
  • Support both industry standard 3.3V tri-state PWM and IR Active Tri-Level (ATL) PWM logic
  • Small 6mm x 8 mm x 0.9mm PQFN package
  • Lead-free RoHS compliant package
Target Applications:
  • Desktop and Workstations
  • Graphic Boards
  • MultiPhase PowIRstage
  • Servers and Storage
Data Sheet
TitleSizeDateVersion
Data Sheet - IR3548,EN711 KB04 Apr 2014
Product Selection Guide
TitleSizeDateVersion
NEW! Power Management Selection Guide 2016EN4.7 MB22 Feb 201600_00
EN IR3548
EN IDV20E65D1