ISL85003FRZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL85003FRZ-T is a high-efficiency 3A synchronous buck switching regulator from the Renesas ISL85003 series. It operates with an input voltage range of 4.5V to 18V and provides an adjustable output voltage starting from 0.8V with ±1% accuracy. The device features a fixed internal switching frequency of 500kHz, which can be externally synchronized up to 2MHz. Packaged in a compact 12-lead DFN (4mm x 3mm) format, it integrates synchronous rectification for optimized thermal performance and efficiency up to 95%.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification and power MOSFETs for high efficiency and compact solution size.
• Supports external synchronization up to 2MHz for flexible noise management.
• Includes comprehensive protection features such as overcurrent, overvoltage, and thermal overload protection.

Voltage Regulators - DC DC Switching Regulators Applications

• Network and communication equipment
• Industrial process control systems
• Embedded computing platforms

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific tape-and-reel packaging configuration associated with the -T suffix against official Renesas documentation to ensure compatibility with automated assembly processes. Confirm that the component meets all relevant RoHS compliance standards required for your manufacturing environment before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when a 3A current capacity and wide input voltage range are required in a small form factor. Consider the external synchronization capability if system noise immunity is critical. Ensure the application design accounts for the adjustable output voltage range down to 0.8V and the specific thermal requirements of the DFN package.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the ISL85003 family of synchronous buck regulators, designed by Renesas Electronics Corporation. It succeeds earlier generations like the ISL8500, offering increased current handling and improved efficiency. The part is categorized under PMIC DC-DC switching regulators, targeting point-of-load applications in industrial and consumer electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The ISL85003AFRZ is a documented substitute within the same product line, offering identical electrical specifications and pinout compatibility. Verify that the alternative part number matches the required packaging style and lead time constraints for your production schedule.