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Product Detailed Parameters
- Description：IC REG QUAD BUCK/LNR SYNC 16TQFN
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Topology：Step-Down (Buck) Synchronous (2), Linear (LDO) (2)
- Number of Outputs：4
- Frequency - Switching：3MHz
- Voltage/Current - Output 1：0.8V ~ 5.5V, 1.5A
- Voltage/Current - Output 2：0.8V ~ 5.5V, 1.5A
- Voltage/Current - Output 3：2.8V, 300mA
- w/LED Driver：No
- w/Supervisor：No
- w/Sequencer：No
- Voltage - Supply：1.5V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-WQFN Exposed Pad
- Supplier Device Package：16-TQFN (4x4)
- Grade：-
- Qualification：-
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Overview
The ISL9307IRTAAJYZ-T7A is a quad-output power management IC featuring two synchronous buck converters and two low-dropout regulators. It operates with an input voltage range of 1.5V to 5.5V and supports switching frequencies up to 3MHz. The device provides adjustable output voltages from 0.8V to 5.5V for the buck channels, delivering up to 1.5A each, while the LDO channels provide fixed outputs such as 2.8V at 300mA. Packaged in a 16-TQFN (4x4mm) with an exposed pad, it functions within a temperature range of -40°C to 85°C.
Feature Summary
- Integrates dual synchronous buck converters and dual linear regulators in a single compact package
- Supports high-frequency operation up to 3MHz to minimize external component size
- Features adjustable output voltage ranges for flexible system power rail generation
Applications
- Portable consumer electronics requiring multiple power rails
- Embedded systems with strict space constraints
- Battery-powered devices needing efficient DC/DC conversion
Procurement Notes
Verify the specific suffix configuration against official Renesas documentation, as variations exist within the ISL9307 family. Confirm current availability status, as certain variants may be discontinued or subject to limited supply. Ensure compatibility with existing PCB layouts and thermal requirements before finalizing procurement decisions.
Selection Notes
Select this component when a quad-output solution is required to reduce board space and assembly complexity. Consider the 3MHz switching frequency for applications prioritizing small passive components. Verify that the input voltage range aligns with the system's power source and that the output current capabilities meet the load requirements for both buck and LDO channels.
Part Context
This part belongs to the ISL9307 series of integrated power management solutions designed for portable applications. It consolidates multiple regulation stages into one device, simplifying design and improving efficiency compared to discrete solutions. The series targets markets demanding high integration and compact form factors.
Replacement Considerations
Publicly confirmed substitute part numbers include ISL9307IRTAAJBZ-T7A and ISL9307IRTAAJLZ-T7A. Verify pin-to-pin compatibility and electrical specifications before substitution.
