ISL85003AFRZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL85003AFRZ-T is a synchronous buck regulator from the Renesas Intersil series, designed for high-efficiency power conversion. It operates with an input voltage range of 4.5 V to 18 V and delivers up to 3 A of output current. The device features adjustable output voltage down to 0.8 V with ±1% accuracy. It supports a fixed switching frequency of 500 kHz or external synchronization up to 2 MHz. The component includes comprehensive protection mechanisms such as overcurrent, overvoltage, and thermal shutdown. It is housed in a compact 12-lead DFN-EP package suitable for surface mount applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for enhanced efficiency
• Integrated欠压检测 (UVLO) with built-in start-up diode
• Flexible compensation options supporting internal or external networks
• Window comparator for power good indication

Voltage Regulators - DC DC Switching Regulators Applications

• Network and communication equipment
• Industrial process control systems
• Embedded computing platforms
• Standard 12V distribution rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status through official datasheets. Ensure the supplier provides valid traceability documentation. Check for moisture sensitivity level requirements during storage and handling. Validate that the part number matches the exact electrical specifications required for the design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator for designs requiring high efficiency within a 4.5 V to 18 V input window. Consider the 12-lead DFN package for space-constrained layouts. Evaluate the need for external synchronization if operating near sensitive frequencies. Assess thermal performance based on the expected load current and ambient conditions. Verify compatibility with the desired output voltage adjustment range.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the ISL85003A family of synchronous buck regulators manufactured by Renesas Electronics under the former Intersil brand. The family focuses on providing efficient power solutions for portable and industrial electronics. The FRZ variant typically denotes tube packaging, while the T suffix specifies tape-and-reel configuration for automated assembly processes.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

ISL85003FRZ is a compatible alternative within the same product family offering identical electrical characteristics.