ISL65426HRZ

Voltage Regulators - DC DC Switching Regulators Overview

The ISL65426HRZ is a dual-output synchronous buck switching regulator IC manufactured by Renesas Electronics Corporation. It operates with an input voltage range of 3V to 5.5V and provides adjustable output voltages between 1V and 4V. Each channel supports a maximum output current of 6A, delivering a total combined capacity suitable for powering complex digital loads. The device integrates a fixed 1MHz switching frequency and utilizes a 50-pin VFQFN package with an exposed pad for thermal management. It is designed for high efficiency in compact power solutions.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual independent output channels providing flexible power distribution
• Integrated synchronous rectification for improved conversion efficiency
• Fixed internal switching frequency simplifies external component selection
• Adjustable output voltage range accommodates various logic levels

Voltage Regulators - DC DC Switching Regulators Applications

• Portable computing devices requiring multi-rail power supplies
• Industrial control systems needing stable low-voltage regulation
• Communication infrastructure equipment with dense power requirements

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the obsolete status and End-of-Life (EOL) declaration before procurement planning. Confirm that the designated substitute, ISL65426IRZA, meets all electrical and mechanical specifications for your design. Ensure compatibility with existing PCB footprints and thermal designs when transitioning from the HRZ suffix to the IRZA suffix variant.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring two regulated outputs from a single controller within a 3V to 5.5V input window. The 6A per channel capability suits moderate-to-high current loads. Consider the 50-VFQFN package constraints for thermal dissipation. Verify that the required output voltage falls within the 1V to 4V adjustable range and that the system timing aligns with the 1MHz fixed frequency operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL65426 series of dual-phase or dual-output synchronous buck regulators. It is produced by Renesas Electronics Corporation, formerly Intersil. The product line focuses on efficient DC-DC conversion for portable and industrial electronics. The specific HRZ designation indicates the package type and temperature grade within this family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The ISL65426IRZA is documented as a parameter-equivalent replacement. Verify pinout compatibility and thermal performance differences between the HRZ and IRZA suffixes before finalizing the substitution.