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TPS54341DPRR
+Lista de MateriaisIC REG BCK SPLIT RAIL ADJ 10WSON
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FabricanteTexas Instruments
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Peça do Fabricante #TPS54341DPRR
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Pacote WSON-10
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Especificações
| Atributo | Valor |
| 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 |
Visão Geral
Description
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
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
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
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.