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TPS7A8400RGRR
+Lista de MateriaisIC REG LINEAR POS ADJ 3A 20VQFN
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FabricanteTexas Instruments
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Peça do Fabricante #TPS7A8400RGRR
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Pacote VQFN-20
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable/Programmable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 6.5V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 5V |
| VoltageDropout(Max) | 0.34V @ 3A |
| Current-Output | 3A |
| Current-Quiescent(Iq) | 4 mA |
| Current-Supply(Max) | 5.5 mA |
| PSRR | 42dB ~ 25dB (10kHz ~ 500kHz) |
| ControlFeatures | Enable, Power Good, Soft Start |
| ProtectionFeatures | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 20-VFQFN Exposed Pad |
Visão Geral
Description
The TPS7A8400RGRR is an ultra-low-noise, high-PSRR (Power Supply Rejection Ratio) linear voltage regulator designed by Texas Instruments. It is known for its high performance, providing precise voltage regulation suitable for sensitive analog and RF applications. The device offers a wide input voltage range, typically from 1.7 V to 5.5 V, and can deliver up to 1 A of output current. Its low dropout voltage and low quiescent current make it efficient for battery-powered systems.
Key features include its exceptional noise performance, with a noise level as low as 4.4 μVrms, and a high PSRR of 45 dB at 1 MHz, which makes it ideal for powering noise-sensitive components. The TPS7A8400RGRR also has excellent transient response characteristics and supports adjustable output voltage through external resistors, adding flexibility in various applications.
The device is available in a compact VQFN package, making it suitable for space-constrained applications. It is often used in high-precision applications such as medical instruments, high-end audio systems, and RF communication devices.
Key features include its exceptional noise performance, with a noise level as low as 4.4 μVrms, and a high PSRR of 45 dB at 1 MHz, which makes it ideal for powering noise-sensitive components. The TPS7A8400RGRR also has excellent transient response characteristics and supports adjustable output voltage through external resistors, adding flexibility in various applications.
The device is available in a compact VQFN package, making it suitable for space-constrained applications. It is often used in high-precision applications such as medical instruments, high-end audio systems, and RF communication devices.
Equivalent
The TPS7A8400RGRR is a high-current, low-dropout (LDO) voltage regulator by Texas Instruments. Equivalent products would include:
1. LT3081 by Analog Devices, which offers adjustable output and similar high-current capabilities.
2. NCP718 by ON Semiconductor, another LDO with comparable features.
3. MIC69502 by Microchip Technology, providing similar current and voltage specifications.
These alternatives should be evaluated based on exact specifications like input/output voltage range, dropout voltage, and package type to ensure compatibility.
1. LT3081 by Analog Devices, which offers adjustable output and similar high-current capabilities.
2. NCP718 by ON Semiconductor, another LDO with comparable features.
3. MIC69502 by Microchip Technology, providing similar current and voltage specifications.
These alternatives should be evaluated based on exact specifications like input/output voltage range, dropout voltage, and package type to ensure compatibility.
Features
The TPS7A8400RGRR is a high-performance, low-dropout (LDO) voltage regulator designed by Texas Instruments. Key features include:
1. High Output Current: It can provide an output current of up to 2 A.
2. Wide Input Voltage Range: Operates from 1.5 V to 6 V.
3. Low Dropout Voltage: Ensures efficient operation with a dropout voltage of approximately 200 mV at 2 A.
4. Adjustable Output Voltage: The output voltage can be set between 0.8 V and 5.0 V through external resistors.
5. Low Noise: Offers a low output noise of 4.4 µV RMS, making it suitable for noise-sensitive applications.
6. High PSRR: Achieves Power Supply Rejection Ratio (PSRR) of 50 dB at 1 kHz, enhancing performance in noise-sensitive environments.
7. Protection Features: Includes internal current limit and thermal shutdown for enhanced reliability.
8. Package: Available in a 3mm x 3mm QFN package, facilitating compact designs.
9. Applications: Ideal for powering RF components, precision analog devices, and other high-performance applications.
These features make the TPS7A8400RGRR suitable for demanding applications requiring high accuracy and efficiency.
1. High Output Current: It can provide an output current of up to 2 A.
2. Wide Input Voltage Range: Operates from 1.5 V to 6 V.
3. Low Dropout Voltage: Ensures efficient operation with a dropout voltage of approximately 200 mV at 2 A.
4. Adjustable Output Voltage: The output voltage can be set between 0.8 V and 5.0 V through external resistors.
5. Low Noise: Offers a low output noise of 4.4 µV RMS, making it suitable for noise-sensitive applications.
6. High PSRR: Achieves Power Supply Rejection Ratio (PSRR) of 50 dB at 1 kHz, enhancing performance in noise-sensitive environments.
7. Protection Features: Includes internal current limit and thermal shutdown for enhanced reliability.
8. Package: Available in a 3mm x 3mm QFN package, facilitating compact designs.
9. Applications: Ideal for powering RF components, precision analog devices, and other high-performance applications.
These features make the TPS7A8400RGRR suitable for demanding applications requiring high accuracy and efficiency.
Pinout
The TPS7A8400RGRR is a linear voltage regulator from Texas Instruments. It is housed in a 20-pin VQFN (RGR) package. The main function of this device is to provide a stable output voltage with high accuracy and a high current output capability, making it suitable for powering sensitive analog circuits and high-performance digital applications. The TPS7A8400RGRR offers features such as low dropout voltage, low noise, and high power supply rejection ratio (PSRR). It is designed to handle an output current of up to 2 A and has an adjustable output voltage range. Additionally, it incorporates protection features like overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliable operation.
Manufacturer
The TPS7A8400RGRR is manufactured by Texas Instruments, an American technology company. Texas Instruments (TI) is primarily known for designing and manufacturing semiconductors and integrated circuits, which are used in a variety of electronic applications. TI's product portfolio includes analog chips, digital signal processors, microcontrollers, and other electronic components, serving industries such as automotive, industrial, consumer electronics, and communications.
Application
The TPS7A8400RGRR is a low-dropout (LDO) voltage regulator used in various applications requiring precise voltage regulation and low noise. Its application areas include:
1. Telecommunications: Supports stable power supply for communication systems.
2. Industrial Equipment: Provides reliable power for automation and control systems.
3. Networking Devices: Ensures power integrity for routers and switches.
4. Medical Equipment: Offers noise-sensitive power regulation for diagnostic and monitoring devices.
5. Consumer Electronics: Powers audio and video components that demand low noise.
6. Test and Measurement: Ensures precision in equipment that requires stable power.
Its high current capability and low dropout make it suitable for critical power management tasks across these sectors.
1. Telecommunications: Supports stable power supply for communication systems.
2. Industrial Equipment: Provides reliable power for automation and control systems.
3. Networking Devices: Ensures power integrity for routers and switches.
4. Medical Equipment: Offers noise-sensitive power regulation for diagnostic and monitoring devices.
5. Consumer Electronics: Powers audio and video components that demand low noise.
6. Test and Measurement: Ensures precision in equipment that requires stable power.
Its high current capability and low dropout make it suitable for critical power management tasks across these sectors.
Package
The TPS7A8400RGRR is a low-dropout voltage regulator from Texas Instruments. It is packaged in a 16-pin VQFN (Very Thin Quad Flat No-Lead) with a package code of RGR. This package type is designed for compact applications, providing efficient thermal performance and a small footprint for high-density designs.
