IR3842M

Highly Efficient Integrated 4A Sync Buck Regulator

ParametricIR3842M
Iout4.0A
Input Voltage  min  max1.5V  16.0V
Output Voltage  min  max0.7V  14.4V
FeaturesPGOOD + EN + SEQ
PackagePQFN / 5 x 6 D
Switching Frequency  min  max250.0kHz  1500.0kHz
TechnologyPOL
TypeSingle Output
Moisture Sensitivity Level2
QualificationIndustrial
Sales Product NameIR3842M
OPNIR3842MTRPBF
Product Statusactive
Package NamePQFN-22L (5 X 6)
Completely lead freeyes
Halogen freeyes
RoHS compliantyes
Packing Size4000
Packing TypeTAPE & REEL
Moisture Level2
OPNIR3842MTR1PBF
Product Statusdiscontinued
Package NamePQFN-22L (5 X 6)
Completely lead freeyes
Halogen freeyes
RoHS compliantyes
Packing Size750
Packing TypeTAPE & REEL
Moisture Level2
Benefits:
  • Greater than 95% Maximum Efficiency
  • Wide Input Voltage Range 1.5V to 16V
  • Wide Output Voltage Range 0.7V to 0.9*Vin
  • Continuous 4A Load Capability
  • Integrated Bootstrap-diode
  • High Bandwidth E/A for excellent transient performance
  • Programmable Switching Frequency up to 1.5MHz
  • Programmable Over Current Protection
  • PGood output
  • Hiccup Current Limit
  • Precision Reference Voltage (0.7V, +/-1%)
  • Programmable Soft-Start
  • Enable Input with Voltage Monitoring Capability
  • Enhanced Pre-Bias Start-up
  • Seq input for Tracking applications
  • -40°C to 125°C operating temperature
  • Thermal Protection
  • Pin compatible option for 8A and 12A devices
  • 5mm x 6mm Power QFN Package, 0.9 mm height
Data Sheet
TitleSizeDateVersion
Data Sheet - IR3842M,EN916 KB13 二月 2009
EN IR3842M