ISL6211CA-T

Special Purpose Regulators Overview

The ISL6211CA-T is a Crusoe processor core-voltage regulator designed for high efficiency over a wide load range. It utilizes a loss-less current-sense scheme based on MOSFET RDS(ON) with optional resistor tolerance. The device features powerful gate drivers with adaptive dead time and employs summing current-mode control combined with on-chip active droop for optimal transient response. It supports TTL-compatible 5-bit digital output voltage selection ranging from 0.6VDC to 1.75VDC in configurable steps, enabling 'on-the-fly' VID code changes with programmable slew rates.

Special Purpose Regulators Feature Summary

• Loss-less current-sense scheme using MOSFET RDS(ON) or optional resistor
• Summing current-mode control with on-chip active droop
• TTL-compatible 5-bit digital output voltage selection
• Adaptive dead time gate drivers

Special Purpose Regulators Applications

• Crusoe processor core voltage regulation

Special Purpose Regulators Procurement Notes

Verify the specific suffix against official Intersil documentation to confirm tape-and-reel packaging configuration. Confirm that the component matches the intended Crusoe processor generation requirements. Check for any product discontinuation notices or manufacturing site changes associated with this part number before finalizing procurement plans.

Special Purpose Regulators Selection Notes

Select this component when designing power stages for Crusoe processors requiring precise digital VID control. Ensure the design accommodates the specified voltage step resolutions and slew rate programming capabilities. Verify compatibility with the required conduction mode and current sensing method for the target application efficiency goals.

Special Purpose Regulators Part Context

This part belongs to the Intersil power management portfolio specifically tailored for mobile processor applications. It integrates control logic and driver stages into a single solution optimized for low-profile designs. The technology reflects early 2000s advancements in CPU voltage regulation modules.

Special Purpose Regulators FAQ

How is the output voltage adjusted dynamically?

The output voltage is adjusted via a TTL-compatible 5-bit digital interface that allows 'on-the-fly' VID code changes with a customer-programmable slew rate.

What control method ensures transient response?

The device uses summing current-mode control combined with on-chip active droop to achieve optimum transient response under varying load conditions.