仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Eco-Mode™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck, Split Rail |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 42V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 41V |
| Current - Output | 3.5A |
| Frequency - Switching | 100kHz ~ 2.5MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概要
Description
The TPS54341DPRR is a high-efficiency, synchronous step-down DC-DC converter from Texas Instruments. It is part of the SWIFT™ family and is designed to provide a highly efficient, compact solution for power supply applications. The device operates with a wide input voltage range of 4.5V to 42V and can deliver up to 3.5A of continuous output current.
Key features include an adjustable output voltage, typically ranging from 0.8V to 90% of the input voltage, and a fixed switching frequency of 500 kHz, which allows for a smaller external component size. It also incorporates integrated MOSFETs, reducing the need for external parts, and features high-side and low-side current limit protection, undervoltage lockout, and thermal shutdown for enhanced reliability.
The TPS54341DPRR is suitable for applications such as industrial equipment, automotive systems, and distributed power systems, where space is a premium and efficiency is critical. It is available in a thermally enhanced PowerPAD™ package, improving heat dissipation and allowing for higher power delivery.
Key features include an adjustable output voltage, typically ranging from 0.8V to 90% of the input voltage, and a fixed switching frequency of 500 kHz, which allows for a smaller external component size. It also incorporates integrated MOSFETs, reducing the need for external parts, and features high-side and low-side current limit protection, undervoltage lockout, and thermal shutdown for enhanced reliability.
The TPS54341DPRR is suitable for applications such as industrial equipment, automotive systems, and distributed power systems, where space is a premium and efficiency is critical. It is available in a thermally enhanced PowerPAD™ package, improving heat dissipation and allowing for higher power delivery.
Equivalent
The TPS54341DPRR is a switch-mode power supply chip from Texas Instruments. Equivalent products include:
1. LM2675 series - National Semiconductor/Texas Instruments
2. MC34063A - ON Semiconductor
3. LM2596 - Texas Instruments
4. LT8610 - Analog Devices
5. MP1584 - Monolithic Power Systems
These alternatives offer similar functionalities, but check specific features and specifications to ensure compatibility with your application.
1. LM2675 series - National Semiconductor/Texas Instruments
2. MC34063A - ON Semiconductor
3. LM2596 - Texas Instruments
4. LT8610 - Analog Devices
5. MP1584 - Monolithic Power Systems
These alternatives offer similar functionalities, but check specific features and specifications to ensure compatibility with your application.
Features
The TPS54341DPRR is a step-down converter from Texas Instruments, part of the TPS54341 series. It provides a host of features suitable for a variety of power management applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 42V, accommodating various power sources.
2. Output Current: Delivers up to 3.5A continuous output current.
3. Adjustable Output Voltage: Allows output voltage adjustments from as low as 0.8V.
4. High Efficiency: Achieves high efficiency rates, often exceeding 90%, due to its synchronous rectification.
5. Switching Frequency: Programmable switching frequency up to 2.5 MHz, allowing for flexibility in design and efficiency optimization.
6. Soft Start and Tracking: Built-in soft start minimizes inrush current, while tracking allows the output to follow a reference voltage.
7. Protection Features: Includes thermal shutdown, cycle-by-cycle current limit, and undervoltage lockout for enhanced reliability.
8. Thermal Performance: Available in an 8-pin PowerPAD package, which helps with thermal dissipation.
These features make it a versatile choice for applications requiring a robust and efficient power supply solution.
1. Wide Input Voltage Range: Operates from 4.5V to 42V, accommodating various power sources.
2. Output Current: Delivers up to 3.5A continuous output current.
3. Adjustable Output Voltage: Allows output voltage adjustments from as low as 0.8V.
4. High Efficiency: Achieves high efficiency rates, often exceeding 90%, due to its synchronous rectification.
5. Switching Frequency: Programmable switching frequency up to 2.5 MHz, allowing for flexibility in design and efficiency optimization.
6. Soft Start and Tracking: Built-in soft start minimizes inrush current, while tracking allows the output to follow a reference voltage.
7. Protection Features: Includes thermal shutdown, cycle-by-cycle current limit, and undervoltage lockout for enhanced reliability.
8. Thermal Performance: Available in an 8-pin PowerPAD package, which helps with thermal dissipation.
These features make it a versatile choice for applications requiring a robust and efficient power supply solution.
Pinout
The TPS54341DPRR is a DC-DC buck converter integrated circuit from Texas Instruments. It is part of the TPS54341 series, which is designed for step-down (buck) voltage conversion applications. The TPS54341DPRR is provided in a 10-pin (HTSSOP) package.
Key functions include:
1. Input Voltage Range: The device can operate with input voltages ranging from 4.5V to 42V.
2. Output Voltage Range: It supports adjustable output voltages as low as 0.8V.
3. Output Current: Can deliver up to 3.5A of continuous output current.
4. Switching Frequency: Operates at a fixed frequency that helps in optimizing the overall efficiency.
5. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliable operation.
6. Efficiency: It is designed to offer high efficiency over a wide load range.
The TPS54341DPRR is suitable for applications requiring high efficiency and compact form factors, such as consumer electronics, industrial power systems, and automotive power systems.
Key functions include:
1. Input Voltage Range: The device can operate with input voltages ranging from 4.5V to 42V.
2. Output Voltage Range: It supports adjustable output voltages as low as 0.8V.
3. Output Current: Can deliver up to 3.5A of continuous output current.
4. Switching Frequency: Operates at a fixed frequency that helps in optimizing the overall efficiency.
5. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliable operation.
6. Efficiency: It is designed to offer high efficiency over a wide load range.
The TPS54341DPRR is suitable for applications requiring high efficiency and compact form factors, such as consumer electronics, industrial power systems, and automotive power systems.
Manufacturer
The TPS54341DPRR is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is a technology company based in Dallas, Texas. It specializes in designing and manufacturing semiconductors and various integrated circuits, which are used in a wide array of electronic products. TI primarily focuses on analog chips and embedded processors, which serve industries including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is known for its innovation in the electronics sector and has a significant impact on technology development and advancement globally.
Application
The TPS54341DPRR is a step-down DC-DC converter designed for a variety of power management applications. Its primary application areas include industrial power systems, consumer electronics, telecommunications infrastructure, and automotive power supplies. It is often used in scenarios requiring efficient voltage regulation, such as powering microcontrollers, FPGAs, DSPs, and other digital integrated circuits. Its ability to handle input voltages up to 42 V makes it suitable for battery-powered and distributed power systems. Additionally, its high efficiency and integrated protection features make it ideal for use in compact and sensitive electronic devices.
Package
The TPS54341DPRR is a DC-DC buck converter from Texas Instruments, and it is housed in a 10-pin VSON (Very-thin Small Outline No-lead) package. The specific dimensions of the package are typically 3.0 mm x 3.0 mm.
