ISL6334ACRZ

Special Purpose Regulators Overview

The ISL6334ACRZ is a switching controller designed for Intel VR11.1 microprocessor core voltage regulation. It drives up to four interleaved synchronous-rectified buck channels in parallel, utilizing a multiphase architecture to multiply channel ripple frequency and reduce input/output ripple currents. The device operates with an input voltage range of 3 V to 12 V and provides an output voltage adjustable from 0.5 V to 1.6 V. It supports output currents up to 200 A and features a switching frequency of 1 MHz. The component functions within a temperature range of 0°C to 70°C and is housed in a 40-VFQFN package.

Special Purpose Regulators Feature Summary

• Complies with Intel VR11.1 specifications for accurate load current reporting via the IMON pin.
• Utilizes Active Pulse Positioning (APP) and Adaptive Phase Alignment (APA) modulation schemes.
• Incorporates active phase adding and dropping to maintain fast transient response and high efficiency.
• Supports diode emulation options to reduce magnetic core and switching losses at light loads.

Special Purpose Regulators Applications

• Microprocessor core voltage regulation
• Intel VR11.1 compliant power systems
• High-efficiency DC-DC conversion

Special Purpose Regulators Procurement Notes

Verify component authenticity through authorized Renesas distributors or certified partners. Confirm that the specific suffix matches the required industrial grade and packaging configuration. Request official datasheets and compliance documentation to ensure adherence to RoHS standards and moisture sensitivity levels prior to integration into design projects.

Special Purpose Regulators Selection Notes

Select this controller for applications requiring strict adherence to Intel VR11.1 protocols. Ensure the design accommodates the 40-VFQFN footprint and thermal requirements. Evaluate system constraints against the 3 V to 12 V input range and verify that the target output voltage falls within the 0.5 V to 1.6 V operational window for optimal performance.

Special Purpose Regulators Part Context

The ISL6334A series represents a specialized class of power management integrated circuits focused on high-performance CPU power delivery. It addresses the need for rapid load transient response and efficiency across varying load conditions by employing advanced multiphase control techniques. This family serves as a critical interface between processor power demands and stable voltage supply.

Special Purpose Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.