IR3531A

4+1 Phase Dual Output Contol IC

ParametricIR3531A
Moisture Sensitivity Level2
Phases5.0
Configuration4 + 1 Multiphase
Package48-Lead MLPQ
Processor TypeCPU
QualificationConsumer
Voltage Outputs2.0
Sales Product NameIR3531A
OPNIR3531AMTRPBF
Product Statusactive
Package NameMLPQ 7X7 48L
Completely lead freeyes
Halogen freeyes
RoHS compliantyes
Packing Size3000
Packing TypeTAPE & REEL
Moisture Level2
Benefits:
  • Integrated 6.8V/0.8A Buck Regulator provides bias to Control and Driver IC(s)
  • Adjustable switching frequency from 250 KHz up to 1.5MHz per phase based on the synchronization SCLK input
  • Sink and source tracking capability
  • Margining via SVID for both rails
  • Pre-bias compatible
  • Soft Stop capability
  • 0.5% overall system set point accuracy
  • Voltage Mode Modulation for excellent transient performance
  • Single NTC thermistor for current reporting, OC Threshold, and Load Line thermal compensation
  • Complete protection including over-current, over-voltage, over-temperature, open remote sense and open control loop
  • Thermally enhanced 48L 7mm x 7mm MLPQ package
  • RoHS compliant
Target Applications:
  • MultiPhase Digital Control
  • Servers and Storage
Data Sheet
TitleSizeDateVersion
Data Sheet - IR3531A,EN1.4 MB08 Mar 2012
Product Selection Guide
TitleSizeDateVersion
NEW! Power Management Selection Guide 2016EN4.7 MB22 Feb 201600_00
EN IR3531A
EN IDV20E65D1