規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SWIFT™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3V |
| Voltage-Input(Max) | 6V |
| Voltage-Output(Min/Fixed) | 1.2V |
| Current-Output | 3A |
| Frequency-Switching | 350kHz, 550kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-PowerTSSOP (0.173, 4.40mm Width) |
概述
Description
The TPS54312PWPR is a high-performance, synchronous step-down (buck) DC-DC converter from Texas Instruments, designed for efficient power management in various electronic applications. It is part of the TPS5431x series and is known for its ability to deliver up to 3 A of continuous output current, making it suitable for use in systems powered by a wide range of input voltages (3.3 V to 5.5 V).
Key features of the TPS54312PWPR include a fast transient response, high efficiency, and programmable output voltage settings through external resistors. It operates at a fixed frequency, typically 500 kHz, optimizing it for space-constrained applications by allowing the use of smaller inductors and capacitors. The device also integrates protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing its reliability and safety in complex electronic systems.
The TPS54312PWPR is commonly used in telecommunications, networking, and computing applications, where efficient power conversion and compact design are crucial. It comes in a 20-pin TSSOP package with PowerPAD™ for improved thermal performance.
Key features of the TPS54312PWPR include a fast transient response, high efficiency, and programmable output voltage settings through external resistors. It operates at a fixed frequency, typically 500 kHz, optimizing it for space-constrained applications by allowing the use of smaller inductors and capacitors. The device also integrates protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing its reliability and safety in complex electronic systems.
The TPS54312PWPR is commonly used in telecommunications, networking, and computing applications, where efficient power conversion and compact design are crucial. It comes in a 20-pin TSSOP package with PowerPAD™ for improved thermal performance.
Equivalent
The TPS54312PWPR is a step-down converter from Texas Instruments. Equivalent products could include:
1. LM2596: A 3-A step-down voltage regulator from Texas Instruments.
2. LM2675: A 1-A step-down voltage regulator also from Texas Instruments.
3. MP1584: A 3-A step-down converter from Monolithic Power Systems.
4. LT8608: A 1.5-A step-down regulator from Analog Devices.
When substituting, consider specific electrical characteristics, pin compatibility, and package type to ensure compatibility with your application.
1. LM2596: A 3-A step-down voltage regulator from Texas Instruments.
2. LM2675: A 1-A step-down voltage regulator also from Texas Instruments.
3. MP1584: A 3-A step-down converter from Monolithic Power Systems.
4. LT8608: A 1.5-A step-down regulator from Analog Devices.
When substituting, consider specific electrical characteristics, pin compatibility, and package type to ensure compatibility with your application.
Features
The TPS54312PWPR is a high-frequency synchronous buck regulator from Texas Instruments. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 3 V to 5.5 V, suitable for various low to medium power applications.
2. Output Current: Capable of delivering up to 3 A of continuous output current.
3. High Efficiency: Achieves high efficiency through synchronous rectification and optimized switching performance.
4. Switching Frequency: Operates at a fixed frequency of 700 kHz, allowing for small external components and reducing the overall solution size.
5. Adjustable Output Voltage: Provides an adjustable output voltage range down to as low as 0.9 V.
6. Soft-Start Control: Features a programmable soft-start function to limit inrush current during startup.
7. Current Mode Control: Utilizes current mode control for fast transient response and loop stability.
8. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to enhance system reliability.
9. Package: Available in a thermally enhanced 16-pin TSSOP package with PowerPAD™ technology for improved heat dissipation.
These features make the TPS54312PWPR suitable for various applications such as telecommunications, networking, and consumer electronics.
1. Input Voltage Range: Supports a wide input voltage range from 3 V to 5.5 V, suitable for various low to medium power applications.
2. Output Current: Capable of delivering up to 3 A of continuous output current.
3. High Efficiency: Achieves high efficiency through synchronous rectification and optimized switching performance.
4. Switching Frequency: Operates at a fixed frequency of 700 kHz, allowing for small external components and reducing the overall solution size.
5. Adjustable Output Voltage: Provides an adjustable output voltage range down to as low as 0.9 V.
6. Soft-Start Control: Features a programmable soft-start function to limit inrush current during startup.
7. Current Mode Control: Utilizes current mode control for fast transient response and loop stability.
8. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to enhance system reliability.
9. Package: Available in a thermally enhanced 16-pin TSSOP package with PowerPAD™ technology for improved heat dissipation.
These features make the TPS54312PWPR suitable for various applications such as telecommunications, networking, and consumer electronics.
Pinout
The TPS54312PWPR is a step-down (buck) converter from Texas Instruments. It comes in a 20-pin HTSSOP package. This DC-DC converter is primarily used for power management in various electronic devices, providing a regulated voltage output from a higher voltage input. The main function of the TPS54312PWPR is to efficiently convert a DC input voltage to a lower, stable DC output voltage, making it suitable for powering microprocessors, ASICs, DSPs, and other digital circuits requiring precise voltage regulation.
Key features typically include a wide input voltage range, high efficiency, integrated MOSFETs for minimizing external components, and protection features such as current limiting and thermal shutdown. Its design is optimized for applications requiring low voltage and high current, delivering up to 3 A of continuous output current with good thermal performance.
For full details on the specific pin functions, referring to the datasheet from Texas Instruments is recommended, as it includes critical information such as pin configuration, electrical characteristics, and application guidelines.
Key features typically include a wide input voltage range, high efficiency, integrated MOSFETs for minimizing external components, and protection features such as current limiting and thermal shutdown. Its design is optimized for applications requiring low voltage and high current, delivering up to 3 A of continuous output current with good thermal performance.
For full details on the specific pin functions, referring to the datasheet from Texas Instruments is recommended, as it includes critical information such as pin configuration, electrical characteristics, and application guidelines.
Manufacturer
The TPS54312PWPR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a variety of electronic components, including integrated circuits (ICs), calculators, and other electronic devices. TI is well-known for its innovative technologies in areas such as analog electronics, digital signal processing, and microcontrollers. The company serves a diverse range of industries, including automotive, industrial, consumer electronics, communications, and enterprise systems. With a strong focus on research and development, Texas Instruments continues to be a leader in the semiconductor industry, providing critical components that enable modern electronic systems.
Application
The TPS54312PWPR is a step-down (buck) DC-DC converter primarily used in applications requiring efficient power management. Key application areas include powering microprocessors, DSPs, FPGAs, and ASICs, particularly in computing and telecommunication equipment. It is suitable for use in networking devices such as routers and switches, as well as in consumer electronics like set-top boxes and gaming consoles. Additionally, the TPS54312PWPR is employed in industrial automation systems and distributed power architectures due to its ability to deliver stable voltage and high power efficiency. Its compact size and robust performance make it ideal for space-constrained applications requiring reliable voltage regulation.
Package
The TPS54312PWPR is a DC-DC converter from Texas Instruments, provided in a PowerPAD™ HTSSOP package. It typically has 14 pins and is designed to provide improved thermal performance with a small footprint suitable for compact electronic designs.
