Part Number: LMZ31530RLGT

Manufacturer: Texas Instruments

Description: DC DC CONVERTER 0.6-3.6V 108W

Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of LMZ31530RLGT

Datasheet  LMZ31530RLGT datasheet
Category Power Supplies – Board Mount
Family DC DC Converters
Manufacturer Texas Instruments
Packaging Tape & Reel (TR)
Part Status Active
Type Non-Isolated PoL Module
Number of Outputs 1
Voltage – Input (Min) 3V
Voltage – Input (Max) 14.5V
Voltage – Output 1 0.6 ~ 3.6 V
Voltage – Output 2
Voltage – Output 3
Current – Output (Max) 30A
Power (Watts) – Manufacture Series
Voltage – Isolation
Applications ITE (Commercial)
Features Remote On/Off, OCP, OTP, UVLO
Mounting Type Surface Mount
Package / Case 72-BQFN
Size / Dimension 0.64″ L x 0.60″ W x 0.23″ H (16.2mm x 15.2mm x 5.9mm)
Operating Temperature -40°C ~ 85°C
Efficiency 96%
Power (Watts) – Max


The LMZ31530RLGT is a highly efficient, easy-to-use integrated  DC DC CONVERTER designed to provide a complete power solution for various applications. This guide aims to provide a comprehensive overview of the LMZ31530RLGT, its features, benefits, and applications, along with guidelines for utilizing this power module effectively in point-of-load designs.

Overview of the LMZ31530RLGT

The LMZ31530RLGT is a compact power module that combines a 30-A DC/DC converter, power MOSFETs, a shielded inductor, and passive components into a single low profile, QFN package. This integration simplifies the design process, eliminates the need for loop compensation and magnetics part selection, and reduces the overall component count.

Features and Benefits of the LMZ31530RLGT

High Efficiency

  • The LMZ31530RLGT power module achieves greater than 95% efficiency.
  • High efficiency ensures minimal energy loss during power conversion, resulting in reduced power dissipation and increased overall system efficiency.
  • Improved energy efficiency contributes to lower operating costs and extended battery life in portable devices.

Ultra-Fast Load Step Response

  • The LMZ31530RLGT exhibits an exceptional load step response.
  • Rapid load step response allows the power module to quickly adjust and provide stable output voltage and current levels in dynamic operating conditions.
  • This capability is crucial in applications with fluctuating load demands, ensuring reliable and consistent power delivery.

Compact Design

  • The LMZ31530RLGT is packaged in a low profile, 15 × 16 × 5.8 mm QFN package.
  • The compact form factor enables space-saving designs, making it ideal for applications with limited board space or those requiring high power density.
  • The small size of the power module contributes to more flexible placement on the PCB and facilitates miniaturization of end products.

Thermal Performance

  • The LMZ31530RLGT exhibits excellent power dissipation capability with a thermal impedance of 8.6°C/W.
  • Effective thermal management ensures the power module remains within its safe operating temperature range.
  • The low thermal impedance enables efficient heat dissipation, reducing the risk of overheating and enhancing system reliability, especially in high-load conditions.

Easy Integration

  • The LMZ31530RLGT offers the flexibility and feature-set of a discrete point-of-load design.
  • It is compatible with a wide range of ICs and systems, making it suitable for diverse applications.
  • The advanced packaging technology simplifies integration into standard QFN mounting and testing techniques, saving time and effort during the assembly process.

Overall, the LMZ31530RLGT power module’s high efficiency, ultra-fast load step response, compact design, thermal performance, and easy integration capabilities make it a reliable and versatile solution for powering various ICs and systems. These features provide benefits such as improved energy efficiency, stable power delivery, space optimization, enhanced reliability, and streamlined design processes.

Applications of the LMZ31530RLGT

Telecom and Datacom Equipment

  • The LMZ31530RLGT is suitable for powering base stations, routers, switches, and other telecom and datacom equipment.
  • Its high efficiency and compact design make it ideal for space-constrained environments in data centers or communication infrastructure.
  • The module’s ultra-fast load step response ensures stable power delivery, even in applications with dynamic data traffic.

Networking Devices

  • The LMZ31530RLGT can be used to power network switches, wireless access points, and network interface cards.
  • Its high efficiency contributes to energy savings and reduces heat generation, enhancing the reliability and performance of networking devices.
  • The compact size enables easy integration into networking equipment with limited board space.

Industrial Automation Systems

  • The LMZ31530RLGT is well-suited for powering programmable logic controllers (PLCs), motor drives, robotics, and other industrial automation equipment.
  • Its high efficiency and fast load step response support the demanding power requirements of industrial applications, ensuring stable operation under varying load conditions.
  • The module’s thermal performance and robust design make it suitable for rugged industrial environments.

Test and Measurement Instruments

  • The LMZ31530RLGT can be utilized in oscilloscopes, spectrum analyzers, power analyzers, and other test and measurement instruments.
  • Its high efficiency helps maintain accurate measurements and reduces power consumption, ensuring reliable and precise performance.
  • The compact form factor allows for space-efficient integration in portable or benchtop test equipment.

High-End Consumer Electronics

  • The LMZ31530RLGT is applicable in high-end audio/video equipment, gaming consoles, and home automation systems.
  • Its high efficiency contributes to improved energy efficiency, enhancing the battery life in portable devices and reducing power consumption in home electronics.
  • The module’s compact design facilitates sleek and compact product designs for premium consumer electronics.

FPGA and Microprocessor Power Supplies

  • The LMZ31530RLGT is suitable for powering FPGAs, microprocessors, and other digital processing units.
  • Its high efficiency and ultra-fast load step response support the dynamic power requirements of digital circuits, ensuring stable and reliable operation.
  • The module’s thermal performance helps dissipate heat generated by high-performance processors, contributing to overall system reliability.

Servers and Storage Systems

  • The LMZ31530RLGT can be used to power servers, storage arrays, and data centers.
  • Its high efficiency reduces power consumption and heat generation, contributing to energy savings and improved overall system performance.
  • The module’s compact size enables efficient use of space within server racks and storage enclosures.
  • These are just a few examples of the diverse applications where the LMZ31530RLGT can be utilized. Its high efficiency, fast load step response, compact design, thermal performance, and easy integration capabilities make it a versatile choice for a wide range of power supply needs.

Design Guidelines

When utilizing the LMZ31530RLGT in point-of-load designs, consider the following guidelines for optimal performance and reliability:

  • Input Voltage: Ensure that the input voltage falls within the specified range for the LMZ31530RLGT, which is typically between 6 V and 20 V, depending on the specific model.
  • Output Current: The LMZ31530RLGT can deliver up to 30 A of output current. Consider the application’s load requirements and ensure that the power module can handle the desired current.
  • Heat Dissipation: Adequate thermal management is crucial to maintain the LMZ31530RLGT within its safe operating temperature range. Ensure proper airflow, consider using heatsinks if necessary.
  • Component Selection: As the LMZ31530RLGT integrates most necessary components, only a few external components, such as input and output capacitors, may be required.
  • Circuit Protection: Implement appropriate protection measures, such as overcurrent protection, overvoltage protection, and thermal shutdown, to safeguard the LMZ31530RLGT and the connected circuitry from potential faults or failures.


The LMZ31530RLGT power module offers an efficient, easy-to-use, and compact solution for point-of-load power conversion. With its high efficiency, fast load step response, excellent thermal performance, and easy integration, this module is well-suited for a wide range of applications. By following the provided design guidelines, engineers can harness the capabilities of the LMZ31530RLGT to create robust and reliable power solutions. Contact ICRFQ, your leading electronic component distributor in China, for more information and to order this impressive power module at an affordable price.

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