ISL9307IRTAAJFZ-T

Overview

The ISL9307IRTAAJFZ-T is a quad-output power management IC featuring two synchronous buck converters and two low-dropout regulators. It operates within an input voltage range of 1.5 V to 5.5 V, delivering up to 1.5 A per buck output with adjustable voltages from 0.8 V to 5.5 V. The LDO outputs provide fixed 2.5 V and 2.8 V rails at 300 mA. Integrated into a 16-pin TQFN package, it supports a switching frequency of 3 MHz and functions reliably across temperatures from -40°C to +85°C.

Feature Summary

• Integrates dual synchronous buck converters and dual linear regulators in a single compact package
• Supports wide input voltage range for flexible system power architectures
• Enables high-density designs through integrated 3 MHz switching frequency operation

Applications

• Portable electronic devices requiring multiple regulated voltage rails
• Industrial control systems needing compact power management solutions
• Communication equipment utilizing mixed DC/DC and LDO regulation

Procurement Notes

Verify component authenticity through authorized channels as this part may be obsolete. Confirm package integrity and moisture sensitivity level handling procedures before assembly. Cross-reference datasheet revisions to ensure compatibility with current design requirements. Validate thermal performance under maximum load conditions during prototyping.

Selection Notes

Select this component when designing systems requiring four distinct voltage rails from a single source. Ensure input voltage stays within the 1.5 V to 5.5 V operational window. Verify that thermal dissipation capabilities of the 16-TQFN package meet application demands. Consider the 3 MHz switching frequency for minimizing external passive component size.

Part Context

This device belongs to the ISL9307 series of multi-output power management ICs by Renesas. It combines switching and linear regulation technologies to serve applications demanding both efficiency and low noise. The series targets space-constrained environments where board real estate is limited but multiple power domains are necessary.

Replacement Considerations

Publicly confirmed parameter-equivalent substitutes include ISL9307IRTAAJBZ-T7A and ISL9307IRTAAJLZ-T7A. Verify pinout compatibility and electrical specifications before substitution.