TPS5430DDAR Texas Instruments

For order or price inquiry of TPS5430DDAR Texas Instruments Please fill the RFQ form we will check out inventory and offer you our best price.





Dive into the world of efficient power regulation with the TPS5430DDAR, a standout offering from Texas Instruments, a leader in semiconductor innovation. This versatile voltage regulator is engineered to meet a wide spectrum of power management needs, making it an indispensable component in various electronic devices. Whether you’re designing consumer electronics, industrial machinery, or cutting-edge automotive systems, the TPS5430DDAR brings reliability and performance to your projects.

At the heart of the TPS5430DDAR’s design is its ability to operate over a broad input voltage range, accommodating anything from 5.5V to 36V. This flexibility makes it an ideal choice for applications that span from battery-operated devices to industrial power supplies. With its capability to deliver up to 3A of continuous output current, this regulator ensures that your devices have the power they need to perform optimally.

One of the TPS5430DDAR’s key features is its adjustable output voltage, which can be fine-tuned from 1.22V to 33V, providing a custom fit for your specific voltage requirements. This adaptability, coupled with its high efficiency—maintaining over 90% across various loads—makes the TPS5430DDAR not just a power regulator but a power solution, optimizing energy use and reducing heat generation in your systems.

Texas Instruments understands the importance of device and system protection. That’s why the TPS5430DDAR is equipped with robust thermal and over-current protection features, safeguarding your projects from potential damage caused by abnormal operating conditions.

The TPS5430DDAR is more than just a component; it’s a gateway to innovation, enabling designers and engineers to push the boundaries of what’s possible in electronics design. Its combination of flexibility, efficiency, and protection makes it a smart choice for those looking to create reliable, high-performing electronic products.




The TPS5430DDAR is a robust and versatile step-down voltage regulator, packed with features designed to cater to a wide array of power management requirements. Here’s an overview of its key features:

Wide Input Voltage Range

  • 5.5V to 36V Input: This broad range allows the TPS5430DDAR to be used in various applications, from low-voltage battery-operated devices to higher-voltage industrial systems, providing great flexibility in design.

High Output Current Capability

  • 3A Output Current: The device can deliver up to 3A of continuous output current, making it suitable for powering a wide range of circuits and components.

Adjustable Output Voltage

  • 1.22V to 33V Output Voltage: The output voltage can be adjusted within this range, offering designers the ability to fine-tune the voltage to meet specific requirements of the target application.


  • High Efficiency: The TPS5430DDAR is designed to operate with high efficiency, reducing power loss and improving overall system performance. This feature is particularly beneficial in extending battery life in portable applications and reducing heat generation in all applications.

Integrated Switch

  • Integrated 150mΩ Switch: The device includes an internal high-side MOSFET switch, which contributes to its high efficiency and helps to simplify the circuit design by reducing the number of external components required.

Frequency Adjustment

  • Adjustable Switching Frequency: The switching frequency is adjustable, allowing designers to optimize the regulator for efficiency or component size depending on the application requirements.

Protection Features

  • Thermal Shutdown: The TPS5430DDAR includes thermal shutdown protection, which helps prevent damage from overheating.
  • Over-Current Protection: The device also features cycle-by-cycle over-current protection, enhancing the safety and reliability of the application it powers.
  • Under-Voltage Lockout (UVLO): This feature ensures that the regulator operates in a safe input voltage range, protecting the device and the application from undervoltage conditions.


  • Internal Soft-Start: This minimizes inrush current during startup, reducing stress on the input power source and the TPS5430DDAR itself, and providing a smoother ramp-up to the operational state.


  • Thermally Enhanced Package: The TPS5430DDAR is available in a thermally enhanced 8-pin SOIC package, which aids in heat dissipation and helps to maintain performance across a range of environmental conditions.

These features make the TPS5430DDAR a highly adaptable and efficient solution for a wide range of power management applications, from consumer electronics to industrial systems. Its integration of protective features and design flexibility further ensures reliability and convenience in implementation, making it a go-to choice for engineers and designers.



The TPS5430DDAR is a versatile step-down (buck) voltage regulator, well-suited for a broad spectrum of applications due to its wide input voltage range, high output current capability, and adjustable output voltage. Its robust feature set makes it particularly useful in the following applications:

Consumer Electronics

  • Portable Gadgets: Its high efficiency and adjustable output make it ideal for extending battery life in portable electronics like handheld gaming devices, portable media players, and digital cameras.
  • Home Entertainment Systems: The TPS5430DDAR can be used to power various components within home entertainment systems, including set-top boxes, audio equipment, and large-screen LED TVs, ensuring reliable performance and energy efficiency.

Industrial Applications

  • Power Supplies: It is suitable for creating efficient, compact, and reliable power supplies for industrial equipment, including machinery control systems, sensors, and actuators.
  • Automated Equipment: In automated manufacturing lines or robotic systems, the TPS5430DDAR provides stable power to ensure smooth operation and precise control.


  • Infotainment Systems: Although not suitable for critical automotive systems, it can power non-critical applications like infotainment systems, providing the necessary power for audio, video, and navigation functionalities.
  • Accessory Power: It can also supply power to additional automotive accessories such as dash cams, USB chargers, and LED lighting systems, ensuring they operate efficiently.


  • Network Equipment: The TPS5430DDAR can be utilized in powering routers, modems, and other network infrastructure equipment, maintaining stable operation to ensure uninterrupted connectivity.
  • RF Amplifiers: It provides the necessary power for RF amplifiers used in telecommunications, optimizing performance and efficiency.

Power Management

  • DC-DC Converters: It is an excellent choice for designing efficient DC-DC converters that require a high level of efficiency and a compact form factor.
  • LED Lighting: The adjustable output voltage and high efficiency make the TPS5430DDAR suitable for LED lighting applications, including commercial lighting systems and architectural lighting.

Renewable Energy Systems

  • Solar-Powered Devices: In solar power applications, such as portable solar chargers or small-scale solar energy harvesting systems, the TPS5430DDAR helps maximize energy efficiency, converting and regulating power from solar panels to usable voltages for various electronic devices.

The TPS5430DDAR’s flexibility, efficiency, and robust protection features make it a reliable choice for powering a wide range of electronic devices and systems across these sectors. Its ability to operate under a wide range of conditions and to provide a stable power supply under varying loads makes it a go-to solution for engineers and designers looking to optimize their power management solutions.



The TPS5430DDAR is a highly regarded voltage regulator that offers a range of advantages for various applications. Here are some of the key benefits:

Wide Input Voltage Range

  • Versatility: The device can handle input voltages from 5.5V to 36V, making it incredibly versatile for use in various systems, from battery-operated devices to industrial equipment.
  • Flexibility: This wide range allows designers to use the same component across different projects with varying power supply requirements, simplifying design processes and inventory management.

High Output Current

  • Powerful: With the ability to deliver up to 3A of continuous output current, the TPS5430DDAR can power a significant number of devices and circuits, making it suitable for high-demand applications.
  • Efficient: Despite its high output, the device maintains efficiency, reducing energy loss and heat generation, which is critical for maintaining the longevity and reliability of electronic components.

Adjustable Output Voltage

  • Customizable: The output voltage is adjustable from 1.22V to 33V, providing great flexibility in designing power supplies for various electronic devices, ensuring they receive the precise voltage required for optimal operation.
  • Adaptable: This feature allows for a single component to meet the needs of multiple applications, reducing the need for different types of regulators in a project or product line.

High Efficiency

  • Energy-Saving: The TPS5430DDAR operates with high efficiency, minimizing energy loss and extending the battery life of portable devices.
  • Reduced Heat Generation: High efficiency also means less heat is generated, which can improve the reliability and lifespan of electronic devices by reducing thermal stress.

Built-in Protection Features

  • Safe: Integrated thermal and over-current protection safeguards the device and the application it powers from potential damage caused by abnormal operating conditions.
  • Reliable: These protection features enhance the overall reliability of the system, contributing to longer service life and reduced maintenance needs.

Ease of Use

  • Simplified Design: The TPS5430DDAR requires only a minimal number of external components for operation, making the design process simpler and faster.
  • Design Support: Texas Instruments provides comprehensive documentation, application notes, and design tools, making it easier for engineers to implement the device in their projects.

Texas Instruments Quality and Support

  • Trusted Brand: Texas Instruments is known for its high-quality products and excellent customer support, providing confidence in the reliability and performance of the TPS5430DDAR.
  • Global Support: TI offers extensive technical support, including design resources, simulation tools, and a knowledgeable community, helping to resolve design challenges and accelerate product development.

In summary, the TPS5430DDAR provides a combination of flexibility, power, efficiency, and reliability, making it an excellent choice for a wide range of applications. Its design-friendly features, coupled with the backing of Texas Instruments’ reputation and support, make it a preferred option for engineers and designers.



Product Attribute Attribute Value
Manufacturer: Texas Instruments
Product Category: Switching Voltage Regulators
Output Voltage: Adjustable
Output Current: 3 A
Input Voltage, Max: 36 V
Number of Outputs: 1 Output
Topology: Buck
Package / Case: SO-PowerPad-8
Mounting Style: SMD/SMT
Switching Frequency: 500 kHz
Quiescent Current: 18 uA
Minimum Operating Temperature: – 40 C
Maximum Operating Temperature: + 125 C
Series: TPS5430
Packaging: Reel
Packaging: Cut Tape
Input Voltage, Min: 5.5 V
Brand: Texas Instruments
Input Voltage: 5.5 V to 36 V
Operating Supply Current: 3 mA
Product: Voltage Regulators
Product Type: Switching Voltage Regulators
Factory Pack Quantity: 2500
Subcategory: PMIC – Power Management ICs
Type: DC/DC Converter
Unit Weight: 0.002504 oz



TPS5430DDAR Texas Instruments Datasheet


Contact us for more information

Contact us for more information and stock inventory inquiry of TPS5430DDAR Texas Instruments.

China Email :

Hong Kong Email :

Russia Email :


Leave a Reply

Your email address will not be published.

Fill out this field
Fill out this field
Please enter a valid email address.
You need to agree with the terms to proceed