ISL8540IVEZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL8540IVEZ-T is a synchronous buck switching regulator IC manufactured by Renesas Electronics Corporation. It provides positive adjustable output voltage regulation with an output range of 1.21V to 35V. The device supports a maximum output current of 2A and operates within an input voltage range of 9V to 40V. It features an adjustable switching frequency between 100kHz and 600kHz. The component is designed for surface mount installation in a 20-lead EPTSSOP package and functions reliably across a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for improved efficiency
• Adjustable switching frequency from 100kHz to 600kHz
• Wide input voltage capability up to 40V
• Positive adjustable output voltage regulation

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load voltage regulation
• Industrial control systems power supplies
• Telecommunications equipment power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'T' indicates tape and reel packaging configuration as per manufacturer documentation. Confirm the part status is discontinued before finalizing design-in decisions. Ensure the 20-lead EPTSSOP package dimensions match the target PCB footprint requirements. Cross-reference the exact datasheet revision to validate electrical characteristics against current design specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a synchronous buck topology is required for efficient power conversion. The wide input voltage range suits applications with varying supply rails. The adjustable frequency allows optimization for size or noise performance. Verify that the 2A output current meets the load requirements and that the thermal performance in the EPTSSOP package is sufficient for the operating environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL8540 series of switching regulators from Renesas, formerly Intersil. The series focuses on high-performance power management solutions. The ISL8540IVEZ-T specifically denotes the version with annealing treatment and tape-and-reel packaging. It is part of Renesas's broader portfolio of analog and power integrated circuits.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Designers should consult official Renesas resources for qualified alternatives or pin-compatible replacements if this discontinued part is no longer sourced.