ISL6217CVZ-T

Special Purpose Regulators Overview

The ISL6217CVZ-T is a precision multi-phase buck PWM controller designed for Intel IMVP-IV and IMVP-IV+ microprocessors. It operates in single or two-phase configurations with integrated half-bridge gate drivers. The device supports switching frequencies from 250 kHz to 1 MHz per phase and regulates output voltages between 700 mV and 1.708 V. It features loss-less current sensing using MOSFET RDS(ON), average current mode control, and input voltage feed-forward for dynamic response. Packaged in a 38-pin TSSOP, it ensures system accuracy of 0.8% over temperature.

Special Purpose Regulators Feature Summary

• Complies with Intel IMVP-IV and IMVP-IV+ specifications for precise core voltage regulation
• Utilizes loss-less current sensing via MOSFET RDS(ON) to improve efficiency and reduce board area
• Integrates half-bridge gate drivers and boot-strap diodes for simplified power stage design
• 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 and two-phase power conversion systems for high-performance processors
• Precision CORE regulator designs compliant with Intel mobile voltage positioning standards

Special Purpose Regulators Procurement Notes

Verify component authenticity due to end-of-life status. Confirm package integrity and moisture sensitivity level handling procedures. Review datasheet for specific ordering suffix requirements and ensure compatibility with existing PCB footprints. Validate replacement availability through authorized channels given discontinuation.

Special Purpose Regulators Selection Notes

Select this controller for applications requiring compliance with Intel IMVP-IV/IV+ standards. Consider its integrated gate drivers and loss-less sensing for efficient thermal management. Evaluate the 250 kHz to 1 MHz frequency range against inductor size constraints. Ensure the 38-pin TSSOP package fits the target enclosure and assembly capabilities.

Special Purpose Regulators Part Context

The ISL6217 belongs to Intersil's family of precision multi-phase buck controllers. It is specifically engineered to meet the stringent power delivery requirements of Intel mobile processors. The device simplifies design by integrating drivers and offering programmable slew rates and droop characteristics essential for modern CPU power stages.

Special Purpose Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify alternative sources for discontinued stock or consult manufacturer notices for potential obsolescence management strategies.