ISL8502AIRZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL8502AIRZ-T is a synchronous buck regulator with integrated MOSFETs, manufactured by Renesas Electronics. It operates within an input voltage range of 5.5 V to 14 V and delivers up to 2 A continuous output current. The device supports adjustable switching frequencies from 500 kHz to 1.2 MHz and provides an adjustable output voltage range from 0.6 V to 14 V. Packaged in a 4 mm x 4 mm QFN-EP-24 footprint, it functions as a voltage-mode PWM controller designed for high efficiency and compact board space.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates internal N-channel MOSFETs to minimize the complete regulator footprint.
• Features simple single-loop voltage-mode PWM control for fast transient response.
• Includes comprehensive protection mechanisms such as thermal shutdown and overcurrent detection.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Master-slave multi-phase configurations for distributed power architectures
• General DC-DC conversion in industrial equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized channels due to potential availability constraints. Confirm package integrity upon receipt, as moisture sensitivity requires proper handling. Ensure compatibility with existing PCB layouts regarding the 24-QFN pinout. Review latest datasheet revisions for any updates to electrical characteristics or recommended operating conditions before finalizing design implementation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for converting higher input voltages down to lower logic levels. It is suitable for designs needing adjustable output voltages with tight regulation tolerances. Consider its wide input range for applications powered by standard 5V rails with significant tolerance variations. Evaluate thermal performance requirements given the small package size and integrated FET structure.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL8502A series of synchronous buck regulators. It represents a class of power management ICs designed to replace linear regulators in applications requiring higher efficiency. The series emphasizes integration to reduce external component count while maintaining robust performance across varying load and line conditions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct substitutes within the ISL8502 family, such as the ISL8502IRZ-T, noting that suffixes may indicate packaging differences rather than functional changes. Verify pin-to-pin compatibility if replacing older Intersil variants. Consult official documentation for any obsolescence notices or recommended new designs from Renesas.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the minimum output voltage supported by the ISL8502AIRZ-T?

The device supports an adjustable output voltage range starting from 0.6 V.

Does the ISL8502AIRZ-T support multiple phases?

Yes, it can be used in a master-slave combination where multiple slave channels are synchronized to minimize EMI and beat frequencies.