Features

• Support Intel VR12 for 0/1 Address

- SerialVID with Programmable IMAX, TMAX, and BOOT

Registers

• Intersil’s Proprietary Enhanced Active Pulse Positioning

(EAPP) Modulation Scheme (Patented)

- Variable Frequency Control During Load Transients to

Reduce Beat Frequency Oscillation

- Linear Control with Evenly Distributed PWM Pulses for

Better Phase Current Balance During Load Transients

- Voltage Feed-Forward and Adjustable Ramp Options

- High Frequency and PSI Compensation Options

• Dual Outputs

- Output 1 (VR0): 1 to 4-Phase for Core or Memory

- Output 2 (VR1): Single Phase for Graphics, System Agent,

or Processor I/O

- Differential Remote Voltage Sensing

- ±0.5 Closed-loop System Accuracy Over Load, Line and

Temperature

• Proprietary Active Phase Adding and Dropping Scheme For

Enhanced Light Load Efficiency

• Droop Option

• Programmable 1 or 2-Phase Operation in Low Power Mode

• Precision Resistor or DCR Differential Current Sensing

- Integrated Programmable Current Sense Resistors

- Integrated Thermal Compensation

- Accurate Load-Line (Droop) Programming

- Accurate Channel-Current Balancing

- Accurate Current Monitoring

• Average Overcurrent Protection and Channel Current Limit

With Internal Current Comparators

• Independent Oscillators, up to 1MHz Per Phase, for Cost,

Efficiency, and Performance Optimization

• Dual Thermal Monitoring and Thermal Compensation

• Start-up Into Pre-Charged Load

• Pb-Free (RoHS Compliant)

• Not Controlled by Intersil Standard PCN Process