IR3552

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

ParametricIR3552
Input Voltage  min  max4.5V  17.0V
Iout40.0A
Output Voltage  min  max0.25V  4.0V
PackagePQFN / 4 x 6
Switching Frequency  max1500.0kHz
TechnologyPowIRstage
Sales Product NameIR3552
OPNIR3552MTRPBF
Product Statusactive
Package NamePQFN 4X6 25L
Completely lead freeyes
Halogen freeyes
RoHS compliantyes
Packing Size3000
Packing TypeTAPE & REEL
Moisture Level3
Benefits:
  • Peak efficiency up to 94.5% at 12VIN to 1.8VOUT, 93.3% at 1.2VOUT
  • 40A PowIRstage® includes: Integrated Driver, Control MOSFET, Synchronous MOSFET and Schottky Diode
  • <1uA Disabled ICC Bias Current
  • <500uA Enabled ICC Bias Current
  • Input voltage (VIN) range of 4.5V to 17V with available 14:1 VIN_DIV monitor pin
  • Flexible Drive Voltage (VDRV) from 4.5V to 13.2V to optimize converter efficiency
  • Integrated bootstrap PFET for improved high side MOSFET enhancement
  • VDRV under voltage lockout protection
  • 5V VCC with under voltage lockout protection
  • Switching frequency up to 1.5MHz
  • Over-temperature TFAULT alert flag with internal temperature exceeds 150°C
  • MODE pin selectable 3.3V tri-state PWM logic or IR Active Tri-Level (ATL) PWM logic
  • Efficient dual sided cooling
  • Small 4mm x 6 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 - IR3552,EN1.3 MB04 Apr 2014
Product Selection Guide
TitleSizeDateVersion
NEW! Power Management Selection Guide 2016EN4.7 MB22 Feb 201600_00
EN IR3552
EN IDV20E65D1