The ISL6565A, ISL6565B controls microprocessor core voltage regulation by driving up to 3 synchronous-rectified buck channels in parallel. Multi-phase buck converter architecture uses interleaved timing to multiply channel ripple frequency and reduce input and output ripple currents.

Features

• Multi-Phase Power Conversion

- 2 or 3 Phase Operation

• Precision Core Voltage Regulation

- Differential Remote Voltage Sensing

- ±0.5 System Accuracy Over Temperature and Life

- Adjustable Reference-Voltage Offset

• Precision rDS(ON) or DCR Current Sensing

- Integrated Programmable Temperature Compensation

- Accurate Load-Line Programming

- Accurate Channel-Current Balancing

- Low-Cost, Lossless Current Sensing

• Input Voltage: 12V or 5V Bias

• Microprocessor Voltage Identification Input

- Dynamic VID® Technology

- 6-Bit VID Input

- 0.8375V to 1.600V in 12.5mV Steps

• Threshold Enable Function for Precision Sequencing

• Overcurrent Protection

• Overvoltage Protection

• Digital Soft-Start

• Operation Frequency up to 1.5MHz per Phase

• QFN Package

- Compliant to JEDEC PUB95 MO-220

QFN - Quad Flat No Leads - Package Outline

- Near Chip Scale Package Footprint, which Improves

PCB Efficiency and Has a Thinner Profile

• Pb-Free Plus Anneal Available (RoHS Compliant)