ISL8024AIRTAJZ-T7A

Voltage Regulators - DC DC Switching Regulators Overview

The ISL8024AIRTAJZ-T7A is a synchronous buck regulator from the Renesas ISL8024 series, packaged in a 16-lead QFN with an exposed pad. It delivers a continuous output current of 4 A with an adjustable switching frequency ranging from 500 kHz to 4 MHz. The device supports an input voltage range of 2.7 V to 5.5 V and provides an adjustable output voltage between 600 mV and 5.5 V. It operates within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates low ON-resistance P-channel high-side and N-channel low-side FETs for high efficiency
• Features adjustable switching frequency from 500 kHz to 4 MHz with external synchronization capability
• Includes internal hiccup mode current limiting and protection against overvoltage and overtemperature

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load (POL) power supplies
• Portable battery-powered equipment
• Industrial control systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix T7A indicates tape-and-reel packaging when sourcing. Confirm the 'AIR' designation corresponds to the required industrial temperature grade (-40°C to +85°C). Ensure compatibility with the 16-QFN footprint during PCB layout. Cross-reference the manufacturer datasheet for moisture sensitivity level handling requirements prior to assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring a compact solution with up to 4 A output current. The adjustable frequency allows optimization for size versus efficiency trade-offs. Verify that the input voltage remains within the 2.7 V to 5.5 V range. Consider the thermal performance of the QFN package for heat dissipation needs in enclosed environments.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL8024 family of highly efficient monolithic synchronous step-down DC/DC converters. These devices utilize current mode control architecture to ensure fast transient response and excellent loop stability. The family is designed to minimize external component count while maintaining high performance across various load conditions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The ISL8025AIRTAJZ-T7A is a pin-to-pin compatible alternative offering 5 A output current. Designers should verify that the increased current capability does not necessitate changes to the external inductor or PCB trace widths.