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Product Detailed Parameters
- Description：IC REG QUAD BUCK/LNR SYNC 24WQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Topology：Step-Down (Buck) Synchronous (2), Linear (LDO) (2)
- Number of Outputs：4
- Frequency - Switching：2.1MHz
- Voltage/Current - Output 1：1.2V, 1A
- Voltage/Current - Output 2：3.3V, 600mA
- Voltage/Current - Output 3：1.8V, 300mA
- w/LED Driver：No
- w/Supervisor：No
- w/Sequencer：Yes
- Voltage - Supply：2.8V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：24-WFQFN Exposed Pad
- Supplier Device Package：24-WQFN (4x4)
- Grade：-
- Qualification：-
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Overview
The LP3907SQX-PJXIX/NOPB is a specialized PMIC from Texas Instruments featuring two synchronous buck converters and two LDOs. The switching regulators deliver up to 1A and 600mA with a 2.1MHz frequency. The LDOs provide 300mA each. It operates between 2.8V and 5.5V input, consuming 30µA quiescent current. The device supports I2C control and is housed in a 24-WQFN package.
Feature Summary
- Integrates dual high-current synchronous buck converters for efficient voltage step-down.
- Includes dual low-dropout linear regulators for noise-sensitive applications.
- Enables digital configuration and monitoring via an I2C interface.
- Supports independent enable controls for flexible power sequencing.
Applications
- Advanced application processors
- Field-programmable gate arrays (FPGAs)
- Generic embedded systems
Procurement Notes
Verify the specific suffix PJXIX against official datasheets to confirm pinout and thermal pad configurations. Ensure compatibility with I2C address settings and enable logic levels required by the target system design before finalizing procurement.
Selection Notes
Select this component when a compact solution combining high-efficiency switching and precise linear regulation is required. The integrated I2C interface allows for dynamic adjustment of output voltages, making it suitable for complex power management architectures in space-constrained designs.
Part Context
This part belongs to the LP3907 series, designed for multi-rail power requirements. It consolidates multiple discrete regulators into a single package, reducing board space and simplifying the bill of materials for portable and industrial electronic devices requiring mixed power topologies.
Replacement Considerations
LP3907SQ-PJXIX/NOPB
FAQ
What is the maximum switching frequency of the buck converters?
The buck converters operate at a fixed switching frequency of 2.1MHz.
Does the device support digital control?
Yes, the device features an I2C interface for configuring outputs and monitoring status.
