ISL8024AIRTAJZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL8024AIRTAJZ-T is a synchronous buck regulator from the ISL8024 series, manufactured by Renesas Electronics. It delivers an adjustable output voltage ranging from 600 mV to 5.5 V with a maximum continuous output current of 4 A. The device operates within an input voltage range of 2.7 V to 5.5 V and supports a programmable switching frequency between 500 kHz and 4 MHz. It features low quiescent current and is housed in a 16-lead QFN package with an exposed pad.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous step-down topology with integrated high-side P-channel and low-side N-channel power FETs
• Adjustable switching frequency for optimized efficiency and component size selection
• Low quiescent current operation designed for battery-powered applications
• Integrated protection mechanisms including overcurrent, overtemperature, and undervoltage lockout

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient power management
• Industrial control systems and instrumentation
• Infrastructure equipment and telecom base stations
• Point-of-load (POL) regulation for DSPs, FPGAs, and ASICs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix 'T' indicates tape-and-reel packaging configuration distinct from tray variants. Confirm RoHS compliance status and moisture sensitivity level prior to assembly planning. Cross-reference the specific date code against manufacturer lifecycle notices to ensure availability and consistency with design specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for single-output 4 A buck conversion. The adjustable frequency feature allows designers to balance electromagnetic interference constraints against passive component size. Ensure the thermal performance of the PCB layout supports the exposed pad requirement for adequate heat dissipation during continuous operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL8023/ISL8024 family of compact synchronous buck regulators. These devices are engineered for high efficiency and small footprint requirements. The ISL8024 variant specifically provides 4 A output capability, distinguishing it from lower-current counterparts in the same series while maintaining pin compatibility with related models.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

ISL8024IRTAJZ-T serves as a direct functional equivalent within the same series. Verify that any substitute maintains identical electrical parameters, package dimensions, and thermal characteristics to ensure seamless integration without redesigning the surrounding circuitry.