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TPS54339EDDAR
+BOMIC REG BUCK ADJUSTABLE 3A 8SOPWR
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #TPS54339EDDAR
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パッケージ HSOIC (DDA)-8
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在庫状況4718
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | SWIFT™, D-CAP2™, Eco-Mode™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 23V |
| Voltage-Output(Min/Fixed) | 0.76V |
| Voltage-Output(Max) | 7V |
| Current-Output | 3A |
| Frequency-Switching | 600kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
概要
Description
The TPS54339EDDAR is a step-down (buck) converter from Texas Instruments. It is part of the TPS54339 series, designed for power management in a variety of electronic devices. The device supports an input voltage range of 3.5 V to 28 V, making it versatile for numerous applications. It can deliver an output current of up to 3 A, catering to moderate power requirements.
One of its key features is a high-efficiency synchronous rectification capability, which improves power conversion efficiency across different load conditions. The TPS54339EDDAR also includes an adjustable output voltage, allowing for customization based on specific requirements.
Protection features such as thermal shutdown, current limiting, and undervoltage lockout enhance the device's reliability and safety in various operational conditions. It operates at a fixed frequency of 700 kHz, which helps minimize the size of external components and contributes to a compact design.
The device is available in a small, thermally enhanced 8-pin SO PowerPAD™ package, which aids in efficient thermal management. This converter is ideal for applications in computing, telecommunications, and consumer electronics.
One of its key features is a high-efficiency synchronous rectification capability, which improves power conversion efficiency across different load conditions. The TPS54339EDDAR also includes an adjustable output voltage, allowing for customization based on specific requirements.
Protection features such as thermal shutdown, current limiting, and undervoltage lockout enhance the device's reliability and safety in various operational conditions. It operates at a fixed frequency of 700 kHz, which helps minimize the size of external components and contributes to a compact design.
The device is available in a small, thermally enhanced 8-pin SO PowerPAD™ package, which aids in efficient thermal management. This converter is ideal for applications in computing, telecommunications, and consumer electronics.
Equivalent
The TPS54339EDDAR is a step-down (buck) converter by Texas Instruments. Equivalent products from other manufacturers include:
1. LMR33630 by Texas Instruments - A 3.5V to 36V input, 3A synchronous step-down converter.
2. LTC3603 by Analog Devices - A 4V to 15V input, 3A monolithic synchronous step-down regulator.
3. MP2303 by Monolithic Power Systems - A 6V to 23V input, 3A synchronous step-down converter.
Always verify the compatibility of electrical characteristics, package type, and pin configuration.
1. LMR33630 by Texas Instruments - A 3.5V to 36V input, 3A synchronous step-down converter.
2. LTC3603 by Analog Devices - A 4V to 15V input, 3A monolithic synchronous step-down regulator.
3. MP2303 by Monolithic Power Systems - A 6V to 23V input, 3A synchronous step-down converter.
Always verify the compatibility of electrical characteristics, package type, and pin configuration.
Features
The TPS54339EDDAR is a high-efficiency, synchronous step-down DC-DC converter from Texas Instruments. Key features include:
1. Input Voltage Range: It supports a wide input voltage range from 4.5V to 28V, making it versatile for various applications.
2. Output Current: The device can deliver up to 3 A of continuous output current.
3. Efficiency: Designed for high efficiency, it incorporates a 95 mΩ high-side MOSFET and a 65 mΩ low-side MOSFET.
4. Switching Frequency: It operates at a fixed frequency of 700 kHz, which helps reduce the size of external components.
5. Soft Start: The converter features an adjustable soft-start to control inrush current during startup.
6. Protection Features: It includes several protection mechanisms like overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe operation.
7. Adjustable Output Voltage: The output voltage can be precisely set using an external resistor divider.
8. Package: The TPS54339EDDAR comes in a small, thermally-enhanced 8-pin PowerPAD™ package.
These features make the TPS54339EDDAR suitable for applications like consumer electronics, industrial power systems, and distributed power architectures.
1. Input Voltage Range: It supports a wide input voltage range from 4.5V to 28V, making it versatile for various applications.
2. Output Current: The device can deliver up to 3 A of continuous output current.
3. Efficiency: Designed for high efficiency, it incorporates a 95 mΩ high-side MOSFET and a 65 mΩ low-side MOSFET.
4. Switching Frequency: It operates at a fixed frequency of 700 kHz, which helps reduce the size of external components.
5. Soft Start: The converter features an adjustable soft-start to control inrush current during startup.
6. Protection Features: It includes several protection mechanisms like overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe operation.
7. Adjustable Output Voltage: The output voltage can be precisely set using an external resistor divider.
8. Package: The TPS54339EDDAR comes in a small, thermally-enhanced 8-pin PowerPAD™ package.
These features make the TPS54339EDDAR suitable for applications like consumer electronics, industrial power systems, and distributed power architectures.
Pinout
The TPS54339EDDAR is a step-down (buck) converter from Texas Instruments. It comes in an 8-pin package. Here's a brief breakdown of its pin functions:
1. VIN: Input voltage supply.
2. EN: Enable pin; used to turn the device on or off.
3. SS/TR: Soft-start or tracking pin; controls the startup time.
4. GND: Ground connection.
5. SW: Switch pin; connected to the inductor.
6. BOOT: Bootstrap capacitor connection; supplies the gate drive voltage.
7. FB: Feedback pin; used to set the output voltage via a resistor divider.
8. RT/CLK: Frequency setting or external clock synchronization pin.
These pins collectively allow the TPS54339 to efficiently convert higher input voltages to lower output voltages, making it suitable for a range of applications in power management.
1. VIN: Input voltage supply.
2. EN: Enable pin; used to turn the device on or off.
3. SS/TR: Soft-start or tracking pin; controls the startup time.
4. GND: Ground connection.
5. SW: Switch pin; connected to the inductor.
6. BOOT: Bootstrap capacitor connection; supplies the gate drive voltage.
7. FB: Feedback pin; used to set the output voltage via a resistor divider.
8. RT/CLK: Frequency setting or external clock synchronization pin.
These pins collectively allow the TPS54339 to efficiently convert higher input voltages to lower output voltages, making it suitable for a range of applications in power management.
Manufacturer
The TPS54339EDDAR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global technology company that designs and produces semiconductors and various integrated circuits, which are widely used in electronic devices and systems. The company is known for its innovation and development in the fields of analog technology, embedded processing, and digital signal processing. TI's products are utilized across diverse applications, including automotive, industrial, personal electronics, communications equipment, and more. As a leading player in the semiconductor industry, Texas Instruments focuses on providing high-quality, reliable, and efficient solutions to meet the needs of its global customer base.
Application
The TPS54339EDDAR is a step-down DC-DC converter primarily used in applications requiring efficient power management for low-voltage electronics. It is commonly employed in areas such as consumer electronics, telecommunications, industrial automation, and automotive systems. Typical applications include powering processors, FPGAs, and ASICs in computing devices, as well as providing stable power supply for various sensors and interface circuits. Its high efficiency and compact package make it suitable for battery-operated devices, portable gadgets, and space-constrained environments, ensuring reliable performance and energy conservation.
Package
The TPS54339EDDAR is a DC-DC buck converter from Texas Instruments. It comes in a small-outline transistor (SOT) package, specifically the 8-pin SO PowerPAD (DDA) package. This package enhances thermal performance and is suitable for space-constrained applications.
