Overview
The LMZ31503RUQR, manufactured by Texas Instruments, is a highly integrated, non-isolated DC/DC power module designed for ease of use in compact and efficient power supply applications. This module combines a 3A DC/DC converter with power MOSFETs, a shielded inductor, and passive components within a flat QFN package. It is particularly suitable for powering high-performance DSPs and FPGAs, offering flexibility and functionality comparable to discrete load point designs. The LMZ31503RUQR stands out for its high efficiency, minimal external component requirement, and excellent thermal performance, making it a competitive choice for modern electronic designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Current | 3 | A | Full rated at 85°C ambient |
| Efficiency | >95% | % | Compact load point design |
| Thermal Impedance | 13 | °C/W | Junction to ambient |
| Package Size | 9 x 15 x 2.8 | mm | QFN |
| External Components | 3 | Required |
Key Features
- Integrated solution with minimal external components needed.
- High efficiency above 95%, suitable for energy-sensitive applications.
- Excellent thermal performance with a junction-to-ambient thermal impedance of 13°C/W.
- Compact QFN package enhances PCB space utilization.
Applications
The LMZ31503RUQR is ideally used in applications requiring compact and efficient power solutions. It is particularly beneficial in powering high-performance digital signal processors (DSPs) and field-programmable gate arrays (FPGAs) in various sectors including industrial automation, telecommunications, and consumer electronics. Its robust design and thermal efficiency make it suitable for environments with high ambient temperatures and limited airflow.
Q & A
What is the output current of the LMZ31503RUQR?
The LMZ31503RUQR can deliver a full rated output current of 3A at an ambient temperature of 85°C without airflow.
How efficient is the LMZ31503RUQR?
This power module operates with an efficiency of over 95%, making it highly efficient for various applications.
What is the thermal impedance of the LMZ31503RUQR?
The junction-to-ambient thermal impedance is 13°C/W, indicating excellent power dissipation capabilities.
What package does the LMZ31503RUQR use?
It uses a compact 9mm x 15mm x 2.8mm QFN package, which is easy to mount on PCBs.
How many external components are required for the LMZ31503RUQR?
Only three external components are needed, simplifying the design and assembly process.
Is the LMZ31503RUQR suitable for high-temperature environments?
Yes, it is designed to operate efficiently in environments with high ambient temperatures up to 85°C.
Can the LMZ31503RUQR be used in industrial applications?
Absolutely, its robust design and high efficiency make it suitable for industrial automation and other demanding applications.
What makes the LMZ31503RUQR stand out in the market?
Its integration of a DC/DC converter, power MOSFETs, and a shielded inductor in a compact package, along with high efficiency and thermal performance, makes it a standout product.
Does the LMZ31503RUQR support DSP and FPGA applications?
Yes, it is particularly well-suited for powering high-performance DSPs and FPGAs.
What are the advantages of the QFN package used in the LMZ31503RUQR?
The QFN package offers excellent thermal and electrical performance, and its compact size allows for more efficient use of PCB space.
