ISL9307IRTAANWZ-T

Overview

The ISL9307IRTAANWZ-T is a PMIC featuring two synchronous buck converters and two LDOs in a 16-TQFN package. It operates with an input voltage range of 1.5V to 5.5V. The switching frequency is 3MHz. Output 1 supports 0.8V to 5.5V at 1.5A. Output 2 supports 0.8V to 5.5V at 1.5A. Output 3 provides a fixed 2.8V at 300mA. Output 4 is adjustable from 0.8V to 5.5V at 300mA. The device functions within a temperature range of -40°C to 85°C.

Feature Summary

• Integrates dual high-current synchronous buck regulators for main power rails
• Includes dual low-dropout linear regulators for noise-sensitive circuits
• Supports wide input voltage ranges suitable for battery-powered systems

Applications

• Portable consumer electronics requiring compact power solutions
• Mobile communication devices needing efficient multi-rail power management
• Industrial handheld equipment operating on single-cell lithium batteries

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance and moisture sensitivity level before assembly. Review the latest product change notices for any manufacturing updates or pin compatibility changes. Ensure storage conditions meet specified humidity requirements to prevent package damage during handling.

Selection Notes

Evaluate thermal performance under maximum load conditions given the small footprint. Compare efficiency curves against alternative PMICs for specific current profiles. Verify that the 3MHz switching frequency aligns with electromagnetic interference constraints. Check if the available output configurations match the target system voltage requirements without external adjustments.

Part Context

This component belongs to the ISL9307 family of power management integrated circuits designed for space-constrained applications. It consolidates multiple voltage regulation functions into a single chip, reducing board area and component count. The series targets markets demanding high integration and energy efficiency in portable devices.

Replacement Considerations

ISL9307IRTAAJBZ-T7A

FAQ

What is the maximum output current for the synchronous buck converters?

Each synchronous buck converter can deliver up to 1.5A.

Does the device include internal compensation?

Yes, the IC features internal compensation to simplify external component selection.