IR3578

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

ParametricIR3578
Input Voltage  min  max4.5V  15.0V
Iout50.0A
Output Voltage  min  max0.25V  5.5V
PackagePQFN / 6 x 6
Switching Frequency  max1000.0kHz
TechnologyPowIRstage
Moisture Sensitivity Level2
QualificationIndustrial
Sales Product NameIR3578
OPNIR3578MTRPBF
Product Statusactive
Package NamePQFN 6X6 30L
Completely lead freeyes
Halogen freeyes
RoHS compliantyes
Packing Size3000
Packing TypeTAPE & REEL
Moisture Level2
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 50A
  • 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
  • Enhanced top side cooling through exposed pad
  • Small 6mm x 6mm x 0.65mm PQFN package
  • Lead free RoHS compliant package
Data Sheet
TitleSizeDateVersion
Data Sheet - IR3578,EN77 KB15 May 2014
Product Selection Guide
TitleSizeDateVersion
NEW! Power Management Selection Guide 2016EN4.7 MB22 Feb 201600_00
EN IR3578
EN IDV20E65D1