IR3894M

12A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.

ParametricIR3894M
Iout12.0A
Input Voltage  min  max1.0V  21.0V
Internal Bias LDOYes
Output Voltage  min  max0.5V  12.0V
FeaturesPGOOD + EN + SEQ + OVD + Marg + SYNC + DDR Tracking
PackagePQFN / 5 x 6 G
Switching Frequency  min  max0.0kHz  1500.0kHz
TechnologyPOL
TypeSingle Output
Design ToolYes
Moisture Sensitivity Level2
QualificationIndustrial
Sales Product NameIR3894M
OPNIR3894MTRPBF
Product Statusactive
Package NamePQFN-22L (5 X 6)
Completely lead freeyes
Halogen freeyes
RoHS compliantyes
Packing Size4000
Packing TypeTAPE & REEL
Moisture Level2
OPNIR3894MTR1PBF
Product Statusdiscontinued
Package NamePQFN-22L (5 X 6)
Completely lead freeyes
Halogen freeyes
RoHS compliantyes
Packing Size750
Packing TypeTAPE & REEL
Moisture Level2
Benefits:
  • Single 5V and 12V application
  • Wide Input Voltage Range from 1.0V to 21V with external Vcc
  • Output Voltage Range: 0.5V to 0.86* Vin
  • Enhanced Line/Load Regulation with Feed-Forward
  • Programmable Switching Frequency up to 1.5MHz
  • Internal Digital Soft-Start/Soft-Stop
  • Enable input with Voltage Monitoring Capability
  • Thermally Compensated Current Limit with robust hiccup mode over current protection
  • Smart internal LDO to improve light load and full load efficiency
  • External Synchronization with Smooth Clocking
  • Enhanced Pre-Bias Start-Up
  • Precision Reference Voltage (0.5V+/-0.5%) with margining capability
  • Vp for Tracking Applications ((Source/Sink Capability +/-12A)
  • Integrated MOSFET drivers and Bootstrap Diode
  • Thermal Shut Down
  • Programmable Power Good Output with tracking capability
  • Monotonic Start-Up
  • Operating temp: -40°C where Tj is < 125°C
  • Small Size: 5mm x 6mm PQFN
  • Lead-free, Halogen-free and RoHS Compliant
Target Applications:
  • Desktop and Workstations
  • Fan
  • Graphic Boards
  • Netcom and Telecom
  • Point of Load
  • Pump
  • Servers and Storage
  • Servo Drives
  • Solar
  • UPS
  • Welding
Data Sheet
TitleSizeDateVersion
Data Sheet - IR3894M,EN2.9 MB27 一月 2012
Evaluation Boards
BoardFamilyDescriptionStatus
IRDC3894Enhanced Line/Load Regulation with Feed-Forward. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.IR3894Mactive
EN IR3894M