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TPS54302DDCT
+Lista de MateriaisIC REG BUCK ADJ 3A TSOT23-6
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FabricanteTexas Instruments
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Peça do Fabricante #TPS54302DDCT
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Ficha Técnica TPS54302DDCT DataSheet
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Pacote SOT-23
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 28V |
| Voltage - Output (Min/Fixed) | 0.596V |
| Voltage - Output (Max) | 28V |
| Current - Output | 3A |
| Frequency - Switching | 400kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
The TPS54302DDCT features a fixed-frequency (typically 570 kHz) operation mode, which helps in minimizing electromagnetic interference (EMI) and allows the use of smaller external components, contributing to a reduced PCB size. It includes several protective features, such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliable performance under different conditions. The device is housed in a compact SOT-23 package, which is beneficial for space-constrained designs.
Overall, the TPS54302DDCT is widely used in applications like telecommunications, consumer electronics, and industrial equipment, where efficient power management is critical.
Equivalent
Features
1. Input Voltage Range: Operates with an input voltage range from 4.5V to 28V, making it suitable for a wide range of applications.
2. Output Current: Supports up to 3A continuous output current, ensuring sufficient power delivery for various loads.
3. Efficiency: Features high efficiency across the load range due to its synchronous rectification, which minimizes losses.
4. Switching Frequency: Operates at a fixed frequency of 580 kHz, reducing the size of external components and ensuring a compact design.
5. Low Quiescent Current: Exhibits low quiescent current, enhancing battery life in portable applications.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliable operation.
7. Soft Start: Supports programmable soft start to manage inrush current during startup.
8. Package: Available in a small SOT-23-6 package, facilitating easy integration into space-constrained designs.
These features make the TPS54302DDCT ideal for use in various applications, including consumer electronics, industrial systems, and more.
Pinout
Key functions and features include:
1. High-Efficiency: Synchronous step-down conversion with integrated MOSFETs.
2. Wide Input Voltage Range: Typically supports 4.5 V to 28 V.
3. Adjustable Output Voltage: Set by an external resistor divider.
4. Switching Frequency: Fixed at 570 kHz.
5. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout.
6. Compact Design: Suitable for space-constrained applications.
This device is commonly used in applications like consumer electronics, industrial equipment, and other systems requiring efficient power conversion with a small footprint.
Manufacturer
Application
1. Consumer Electronics: Powering microprocessors and memory in devices like smartphones, tablets, and laptops.
2. Industrial Systems: Providing regulated power for control systems and sensors.
3. Automotive Electronics: Supplying power to infotainment, navigation, and control modules.
4. Telecommunications: Ensuring stable power for networking equipment such as routers and switches.
5. Embedded Systems: Delivering efficient power conversion in IoT devices and other embedded applications.
Its compact size and high efficiency make it ideal for space-constrained and battery-powered devices.