IR3531A

Overview

4+1 Phase Dual Output Contol IC

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

Potential Applications

  • MultiPhase Digital Control
  • Servers and Storage
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