ISL9307IRTAAJLZ-T

Overview

The ISL9307IRTAAJLZ-T is a quad-output power management integrated circuit manufactured by Renesas Electronics Corporation. It integrates two synchronous buck converters and two low-dropout linear regulators within a single package. The device operates with an input voltage range of 1.5V to 5.5V and supports switching frequencies up to 3MHz. Output configurations include adjustable DC-DC rails capable of delivering 1.5A each, alongside fixed LDO outputs providing 300mA. The component is housed in a compact 16-TQFN (4x4mm) surface-mount package designed for efficient thermal dissipation.

Feature Summary

• Integrates dual synchronous buck converters and dual low-dropout linear regulators into a single PMIC solution
• Supports high-frequency operation at 3MHz to minimize external passive component size
• Features wide input voltage compatibility ranging from 1.5V to 5.5V
• Utilizes a compact 16-pin TQFN package optimized for space-constrained designs

Applications

• Portable consumer electronics requiring multi-rail power distribution
• Mobile communication devices utilizing complex power sequencing
• Embedded systems needing combined switching and linear regulation capabilities

Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure correct output voltage settings and pin assignments. Confirm current manufacturing status as legacy or active stock availability may vary. Cross-reference the exact part number with authorized distributors to avoid counterfeit components. Ensure environmental compliance requirements match project specifications before finalizing procurement orders.

Selection Notes

Evaluate the total output current requirements against the specific buck and LDO channel capabilities. Consider the 3MHz switching frequency impact on inductor selection and PCB layout constraints. Assess thermal performance requirements given the dense integration within the small QFN footprint. Verify that the input voltage range aligns with the system's power supply architecture.

Part Context

This component belongs to the ISL9307 family of quad-output power management ICs. It serves as a consolidated power solution replacing multiple discrete regulator chips. The series is designed to simplify board space and reduce bill-of-materials complexity for portable applications requiring mixed regulation types.

Replacement Considerations

ISL9307IRTAAJBZ-T7A

FAQ

What is the maximum switching frequency supported by this IC?

The device supports a switching frequency of up to 3MHz.

How many output channels are available on this PMIC?

The IC provides four output channels: two synchronous buck converters and two low-dropout linear regulators.