ISL6217CVZ

Special Purpose Regulators Overview

The ISL6217CVZ is a precision multi-phase buck PWM controller designed for Intel IMVP-IV and IMVP-IV+ microprocessors. It integrates half-bridge gate drivers to support single or two-phase power conversion, easing thermal management for high-performance processors. The device features input voltage feed-forward and average current mode control for excellent dynamic response. It utilizes loss-less current sensing via MOSFET RDS(ON) and offers user-selectable switching frequencies from 250 kHz to 1 MHz per phase. The output voltage range spans 700 mV to 1.708 V with 4 A output capability.

Special Purpose Regulators Feature Summary

• Complies with Intel IMVP-IV and IMVP-IV+ specifications for core regulator applications
• Integrates half-bridge gate drivers and boot-strap diodes for simplified design
• Provides precision CORE voltage regulation with 0.8% system accuracy over temperature
• Supports direct interface with system logic for deep and deeper sleep modes

Special Purpose Regulators Applications

• Voltage regulation for advanced Pentium IV microprocessors in notebook computers
• Single-phase power conversion systems for mobile processors
• Two-phase power conversion systems requiring improved thermal management

Special Purpose Regulators Procurement Notes

Verify component authenticity due to end-of-life status. Check datasheet revisions for manufacturing site changes. Confirm RoHS compliance details as specified in official documentation. Validate package integrity upon receipt. Ensure storage conditions meet humidity sensitivity requirements before assembly.

Special Purpose Regulators Selection Notes

Select this controller for designs requiring compliance with Intel IMVP-IV standards. Consider the integrated gate drivers to reduce external component count. Evaluate the loss-less current sensing feature for efficiency improvements. Verify that the required switching frequency falls within the 250 kHz to 1 MHz range. Ensure the target processor supports the VID input configuration.

Special Purpose Regulators Part Context

The ISL6217 belongs to the Intersil (now Renesas) family of precision multi-phase buck PWM controllers. It was specifically engineered to meet the stringent power delivery requirements of Intel's mobile processors during the Pentium IV era. The device represents a solution for balancing performance, efficiency, and board space in portable computing applications.

Special Purpose Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. The product is listed as discontinued. Designers should consult official manufacturer notices for potential obsolescence management strategies or alternative series recommendations.