ISL95816AHRZ-T

Special Purpose Regulators Overview

The ISL95816AHRZ-T is a Robust Ripple Regulator (R3) controller designed for Intel VR12.5 and VR12.6 compliant microprocessor core power supplies. It supports 4-, 3-, 2-, or 1-phase configurations with an input voltage range of 4.5V to 28V and an output voltage range of 0.5V to 2.3V. The device operates within a temperature range of -10°C to 100°C and is housed in a 32-VFQFN package with exposed pad.

Special Purpose Regulators Feature Summary

• Utilizes Intersil’s Robust Ripple Regulator R3 Technology for faster transient response and improved light load efficiency through automatic switching frequency adjustment.
• Supports DCR current sensing with single NTC thermistor compensation or precise resistor current sensing options.
• Features programmable V_BOOT voltage, I_MAX, voltage transition slew rate, and switching frequency settings.

Special Purpose Regulators Applications

• VR12.5 compliant microprocessor core power supplies
• VR12.6 compliant microprocessor core power supplies
• Voltage Regulator control for CPU applications

Special Purpose Regulators Procurement Notes

Verify component authenticity due to end-of-life status. Confirm RoHS3 compliance and MSL level 3 handling requirements. Check datasheet revisions for any packaging label updates. Ensure supply chain sources provide valid traceability documentation for this discontinued part number.

Special Purpose Regulators Selection Notes

Select this controller for designs requiring Intel VR12.5/VR12.6 compliance with flexible phase configuration. Consider the R3 modulation benefits for dynamic load performance. Evaluate thermal management needs given the 32-QFN package and operating temperature range. Verify compatibility with required current sensing methods.

Special Purpose Regulators Part Context

Part of the ISL95816 series from Renesas, utilizing the R3 modulation scheme. Related variants include ISL95816IRZ with extended temperature ranges. The series targets high-efficiency CPU power delivery solutions.

Special Purpose Regulators Replacement Considerations

No public confirmed substitute part numbers are available. The product is listed as obsolete. Designers should consult manufacturer resources for potential next-generation replacements.

Special Purpose Regulators FAQ

What modulation technology does the ISL95816AHRZ-T use?

It utilizes Intersil’s Robust Ripple Regulator R3 Technology for enhanced transient response and efficiency.

Is remote voltage sense supported?

Yes, the device supports remote voltage sense functionality.