ISL85003FRZ-T7AR5194

Voltage Regulators - DC DC Switching Regulators Overview

The ISL85003FRZ-T7AR5194 is a synchronous buck regulator from the Renesas ISL85003 series, packaged in a 12-lead DFN (4x3 mm) with an exposed pad. It operates within 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 starting from 0.8 V and supports a fixed switching frequency of 500 kHz. It includes external synchronization capability and functions across a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side N-channel power MOSFETs for efficient synchronous rectification
• Supports external clock synchronization for noise reduction and system timing alignment
• Includes comprehensive protection mechanisms such as overcurrent, thermal overload, and undervoltage lockout

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Power supply stages for embedded computing systems
• Telecommunications infrastructure power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'T7AR5194' against official Renesas documentation to confirm tape-and-reel specifications and lot traceability. Ensure compatibility with standard surface-mount assembly processes for 12-lead DFN packages. Confirm RoHS compliance status through the manufacturer's latest certification records before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for converting higher bus voltages down to lower logic or peripheral levels. The 3 A current rating suits moderate power applications where space constraints limit larger packages. Verify that the external component selection supports the desired output voltage and load transient requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL85003 family of high-efficiency synchronous buck regulators. The FRZ designation indicates a lead-free RoHS-compliant variant in a DFN package. The suffix typically denotes specific packaging or testing configurations defined by the manufacturer for volume production.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for equivalent parts within the ISL85003 series or compatible Renesas buck regulators. Verify pin-to-pin compatibility and electrical parameter equivalence before replacing existing designs.