Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 5.5V |
| Voltage-Input(Max) | 36V |
| Voltage-Output(Min/Fixed) | 1.221V |
| Voltage-Output(Max) | 32.04V |
| Current-Output | 3A |
| Frequency-Switching | 500kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
Overview
Description
The TPS5430DDAR is a step-down (buck) voltage regulator from Texas Instruments. Designed for high-efficiency power conversion, it is part of the Simple Switcher family, offering ease of use and flexibility. The device operates with an input voltage range of 5.5V to 36V and can deliver an output current of up to 3A, making it suitable for various applications, including industrial systems and distributed power architectures.
Key features include a fixed 500 kHz switching frequency, thermal shutdown, cycle-by-cycle current limit protection, and adjustable output voltage. The TPS5430DDAR integrates a high-side MOSFET, reducing the need for external components and enabling compact, cost-effective designs. It offers a wide operating temperature range, ensuring reliable performance in harsh environments.
The device is typically housed in an 8-pin SOIC package, facilitating easy handling and implementation on printed circuit boards. Its ability to provide stable and efficient power conversion makes it ideal for applications requiring robust performance and reliability.
Key features include a fixed 500 kHz switching frequency, thermal shutdown, cycle-by-cycle current limit protection, and adjustable output voltage. The TPS5430DDAR integrates a high-side MOSFET, reducing the need for external components and enabling compact, cost-effective designs. It offers a wide operating temperature range, ensuring reliable performance in harsh environments.
The device is typically housed in an 8-pin SOIC package, facilitating easy handling and implementation on printed circuit boards. Its ability to provide stable and efficient power conversion makes it ideal for applications requiring robust performance and reliability.
Equivalent
The TPS5430DDAR is a DC-DC buck converter from Texas Instruments. Equivalent products from other manufacturers could include the LM2596 from Texas Instruments, the MC34063 from ON Semiconductor, and the LM2576 from Texas Instruments. However, compatibility should be verified based on specific requirements like input/output voltage range, current rating, switching frequency, and other electrical characteristics. Always consult datasheets and application notes for precise matching.
Features
The TPS5430DDAR is a DC-DC step-down converter designed by Texas Instruments. It features a wide input voltage range from 5.5 V to 36 V, making it suitable for a variety of power supply applications. The device delivers an output current up to 3 A and operates with high efficiency due to its low RDS(on) MOSFETs and Pulse Width Modulation (PWM) control scheme.
Key features include a fixed 500 kHz switching frequency, which allows for reduced component size and optimized efficiency. It also offers internal soft start, overcurrent protection, and thermal shutdown to enhance reliability and safety. The TPS5430DDAR supports adjustable output voltage, typically achieved with external resistors, and can achieve a precise regulation of the output voltage.
The converter comes in an 8-pin SOIC package with PowerPAD, which aids in thermal management. Its compact design and robust feature set make it suitable for applications like industrial and consumer electronics requiring reliable and efficient power conversion.
Key features include a fixed 500 kHz switching frequency, which allows for reduced component size and optimized efficiency. It also offers internal soft start, overcurrent protection, and thermal shutdown to enhance reliability and safety. The TPS5430DDAR supports adjustable output voltage, typically achieved with external resistors, and can achieve a precise regulation of the output voltage.
The converter comes in an 8-pin SOIC package with PowerPAD, which aids in thermal management. Its compact design and robust feature set make it suitable for applications like industrial and consumer electronics requiring reliable and efficient power conversion.
Pinout
The TPS5430DDAR is a 3A, 5.5V to 36V input, step-down converter from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. BOOT: Bootstrap capacitor connection for driving the gate of the internal high-side MOSFET.
2. VIN: Input voltage supply pin for the power stage.
3. EN: Enable pin to turn the device on or off.
4. SS/SD: Soft-start and slow-start pin to control the startup sequence.
5. VSENSE: Feedback voltage pin to regulate the output voltage.
6. COMP: Compensation pin for stability and transient response adjustments.
7. GND: Ground reference for the device.
8. OUT: Switch node pin that connects to the output inductor.
These pins work together to regulate the output voltage, providing a reliable step-down conversion while allowing for user flexibility in control and compensation.
1. BOOT: Bootstrap capacitor connection for driving the gate of the internal high-side MOSFET.
2. VIN: Input voltage supply pin for the power stage.
3. EN: Enable pin to turn the device on or off.
4. SS/SD: Soft-start and slow-start pin to control the startup sequence.
5. VSENSE: Feedback voltage pin to regulate the output voltage.
6. COMP: Compensation pin for stability and transient response adjustments.
7. GND: Ground reference for the device.
8. OUT: Switch node pin that connects to the output inductor.
These pins work together to regulate the output voltage, providing a reliable step-down conversion while allowing for user flexibility in control and compensation.
Manufacturer
The TPS5430DDAR is manufactured by Texas Instruments Incorporated. Texas Instruments, often abbreviated as TI, is a global technology company based in Dallas, Texas. It is known for designing and manufacturing semiconductors and various integrated circuits, which are used in electronics worldwide. TI's product portfolio includes analog chips, digital signal processors, microcontrollers, and other electronic components. The company serves a wide range of industries, including consumer electronics, automotive, industrial, and communications. With a strong emphasis on innovation, TI develops products that help advance electronics and foster technological progress across different sectors.
Application
The TPS5430DDAR is a DC-DC buck converter primarily used in power management applications. It is suitable for use in a wide range of applications including:
1. Consumer Electronics: Power supply for devices like TVs, set-top boxes, and home audio systems.
2. Industrial Applications: Powering sensors, controllers, and other industrial equipment.
3. Automotive Systems: Used in infotainment systems and other electronic modules.
4. Telecommunications: Provides power for networking equipment and base stations.
5. Computer and Peripherals: Supplies power for motherboards, graphics cards, and other peripherals.
Its ability to step down high voltage inputs to lower voltage outputs makes it versatile across these sectors.
1. Consumer Electronics: Power supply for devices like TVs, set-top boxes, and home audio systems.
2. Industrial Applications: Powering sensors, controllers, and other industrial equipment.
3. Automotive Systems: Used in infotainment systems and other electronic modules.
4. Telecommunications: Provides power for networking equipment and base stations.
5. Computer and Peripherals: Supplies power for motherboards, graphics cards, and other peripherals.
Its ability to step down high voltage inputs to lower voltage outputs makes it versatile across these sectors.
Package
The TPS5430DDAR is a DC-DC buck converter from Texas Instruments, housed in an 8-pin SOIC package with a thermal pad for improved heat dissipation. This package type is known as SO PowerPAD, which is suitable for surface mounting on PCBs and offers effective thermal management for high-efficiency power applications.
