Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller

The ISL6552 multi-phase PWM control IC together with its companion gate drivers, the HIP6601, HIP6602 or HIP6603 and external Intersil MOSFETs provides a precision voltage regulation system for advanced microprocessors.

Features

• Multi-Phase Power Conversion

• Precision Channel Current Sharing

- Loss Less Current Sampling - Uses rDS(ON)

• Precision CORE Voltage Regulation

- ±1 System Accuracy Over Temperature

• Microprocessor Voltage Identification Input

- 5-Bit VID Input

- 1.05V to 1.825V in 25mV Steps

- Programmable “Droop” Voltage

• Fast Transient Recovery Time

• Over Current Protection

• Automatic Selection of 2, 3, or 4 Phase Operation

• High Ripple Frequency (Channel Frequency) Times

Number Channels . . . . . . . . . . . . . . . . . .100kHz to 6MHz

• 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 available