IR3865M

10A Highly Integrated Wide-Input Voltage Sync Buck Regulator

ParametricIR3865M
Iout10.0A
Input Voltage  min  max3.0V  21.0V
Output Voltage  min  max0.5V  12.0V
FeaturesConstant On-Time + PGOOD + EN + Temp Comp OCP
PackagePQFN / 4 x 5
Switching Frequency  min  max0.0kHz  750.0kHz
TechnologyPOL
TypeSingle Output
QualificationIndustrial
Design ToolYes
Moisture Sensitivity Level2
Sales Product NameIR3865M
OPNIR3865MTRPBF
Product Statusactive
Package NamePQFN-24L (4X5)
Completely lead freeyes
Halogen freeyes
RoHS compliantyes
Packing Size4000
Packing TypeTAPE & REEL
Moisture Level2
Benefits:
  • Input Voltage Range: 3V to 21V
  • Output Voltage Range: 0.5V to 12V
  • Continuous 10A Load Capability
  • Constant On-Time Control
  • Compensation Loop not Required
  • Excellent Efficiency at Very Low Output Currents
  • Programmable Switching Frequency and Soft Start
  • Thermally Compensated Over Current Protection
  • Power Good Output
  • Precision Voltage Reference (0.5V, +/-1%)
  • Enable Input with Voltage Monitoring Capability
  • Pre-bias Start Up
  • Thermal Shut Down
  • Under/Over Voltage Fault Protection
  • Forced Continuous Conduction Mode Option
  • Very Small, Low Profile 4mm x 5mm QFN Package
Target Applications:
  • Notebooks Portables
  • Point of Load
Diagrams
Data Sheet
TitleSizeDateVersion
Data Sheet - IR3865M,EN1.3 MB12 Sep 2010
Evaluation Boards
BoardFamilyDescriptionStatus
IRDC3865Featuring IR3865 Voltage Regulator in a very small 4x5 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 12V, VOUT = 1.05V, FS = 300kHz, up to 10A.IR3865Mactive
EN IR3865M