ISL85003FRZ-T7A

Voltage Regulators - DC DC Switching Regulators Overview

The ISL85003FRZ-T7A is a synchronous buck regulator from the Renesas ISL85003 series, housed in a 12-lead DFN-EP package measuring 4x3 mm. It supports an input voltage range of 4.5 V to 18 V and delivers up to 3 A of output current. The device features an adjustable output voltage from 0.8 V to 18 V and operates at a switching frequency of 500 kHz. It includes external synchronization capability and functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for high efficiency in a compact form factor
• Supports external clock synchronization for noise management
• Includes shutdown functionality for power management

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Industrial control equipment power supplies
• Telecommunications infrastructure components

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix T7A against official Renesas documentation to confirm tape and reel packaging specifications. Ensure compatibility with the intended PCB footprint for the 12-lead DFN-EP package. Cross-reference thermal requirements with system constraints given the small package size. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 3 A synchronous buck solution is required with an input range extending up to 18 V. The adjustable output allows flexibility for various load voltages. Consider the 12-lead DFN package for space-constrained designs requiring efficient heat dissipation via the exposed pad. Verify that the 500 kHz fixed frequency meets EMI requirements or utilize the sync pin if necessary.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL85003 family of high-efficiency synchronous buck regulators originally developed by Intersil and acquired by Renesas. The family targets applications needing compact power solutions with robust protection features. The FRZ variant denotes the standard tube packaging, while the T7A suffix indicates reel packaging for automated assembly processes.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The ISL85003AFRZ serves as a direct functional equivalent within the same product family. Both parts share identical electrical characteristics and pinouts. Verify that the alternative package type matches the existing board layout requirements.