ISL9307IRTAAJBZ-T

Overview

The ISL9307IRTAAJBZ-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 fixed at 3MHz. Output 1 provides up to 1.5A, while Output 2 also supports 1.5A. Output 3 is a dedicated 2.8V LDO rated for 300mA. The device functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates dual high-current synchronous buck regulators alongside dual low-dropout linear regulators.
• Utilizes a fixed 3MHz switching frequency to optimize external component size.
• Includes a dedicated fixed-voltage LDO output for specific rail requirements.

Applications

• Portable electronic devices requiring multiple power rails
• Industrial control systems needing compact power solutions
• Embedded applications utilizing 1.5V to 5.5V supply ranges

Procurement Notes

Verify the exact suffix configuration against official Renesas documentation to ensure correct pinout and electrical characteristics. Confirm availability status as components may be subject to end-of-life notices or limited stock conditions. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before finalizing procurement orders.

Selection Notes

Select this component when a single IC solution is required to generate multiple regulated voltages from a single input source. Ensure the application demands a 3MHz switching frequency and fits within the 1.5V to 5.5V input window. Verify that the thermal performance of the 16-TQFN package meets the system's heat dissipation requirements under maximum load conditions.

Part Context

This part belongs to the ISL9307 family of multi-output power management integrated circuits. It is designed to replace discrete regulator solutions by combining switching and linear regulation technologies. The series targets space-constrained designs where board area reduction and simplified bill of materials are critical engineering priorities.

Replacement Considerations

• ISL9307IRTAAJFZ-T7A

FAQ

What is the fixed switching frequency of the buck converters?

The synchronous buck converters operate at a fixed frequency of 3MHz.

Does the device include a fixed voltage output?

Yes, one of the LDO outputs is fixed at 2.8V with a 300mA current rating.