仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive and Negative |
| OutputType | Adjustable |
| NumberofRegulators | 2 |
| Voltage-Input(Max) | ±33V |
| Voltage-Output(Min/Fixed) | 1.2V, 0V |
| Voltage-Output(Max) | 30V, -30V |
| VoltageDropout(Max) | 0.5V @ 150mA |
| Current-Output | 150mA |
| Current-Quiescent(Iq) | 150 µA |
| Current-Supply(Max) | 904 µA |
| PSRR | 69dB (120Hz) |
| ControlFeatures | Current Limit, Enable, Soft Start |
| ProtectionFeatures | Over Temperature, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -55°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-WFDFN Exposed Pad |
概要
Description
The TPS7A3901DSCR is a high-performance, low-dropout (LDO) voltage regulator from Texas Instruments. Designed for precision and efficiency, it provides a stable output voltage with low noise and high power supply rejection ratio (PSRR), making it suitable for sensitive applications. The device is capable of delivering up to 450 mA of output current and supports an input voltage range of 2.2 V to 6.5 V. Notable features include a low dropout voltage of approximately 200 mV at full load, which helps minimize heat dissipation and power loss, and a low quiescent current, enhancing battery life in portable devices.
The TPS7A3901DSCR also includes overcurrent and overtemperature protection for enhanced reliability. Its compact, thermally efficient packaging makes it ideal for space-constrained applications. Typical applications for this LDO regulator include communication infrastructures, microcontrollers, and industrial and medical equipment. It is designed to meet the demands of modern electronic systems requiring precision voltage regulation and efficient power management.
The TPS7A3901DSCR also includes overcurrent and overtemperature protection for enhanced reliability. Its compact, thermally efficient packaging makes it ideal for space-constrained applications. Typical applications for this LDO regulator include communication infrastructures, microcontrollers, and industrial and medical equipment. It is designed to meet the demands of modern electronic systems requiring precision voltage regulation and efficient power management.
Equivalent
The TPS7A3901DSCR is a low-dropout (LDO) voltage regulator from Texas Instruments. Equivalent products from other manufacturers include the LT3080 from Analog Devices, the MIC29150 from Microchip Technology, and the NCP781 from ON Semiconductor. These alternatives offer similar functionalities, such as adjustable output voltage, low dropout, and high current capabilities. Always verify specific electrical characteristics and packaging requirements to ensure complete compatibility with your application.
Features
The TPS7A3901DSCR is a low-dropout (LDO) linear voltage regulator from Texas Instruments. Key features include:
1. Wide Input Voltage Range: It supports an input voltage range from 1.4 V to 6.5 V, making it suitable for various applications.
2. Output Voltage: It can deliver an output voltage range from 1.2 V to 5.1 V, adjustable via external resistors.
3. High Output Current: The regulator can provide up to 1 A of output current.
4. Low Dropout Voltage: It maintains a low dropout voltage, enhancing efficiency at low input-to-output voltage differentials.
5. High PSRR: Offers high power supply rejection ratio, which is crucial for noise-sensitive applications.
6. Low Noise: Features low output noise, making it ideal for powering RF and precision analog circuits.
7. Protection Features: Includes overcurrent and thermal shutdown protection for enhanced reliability.
8. Package: It comes in a compact, thermally efficient 10-pin 3 mm x 3 mm VSON package.
These features make the TPS7A3901DSCR suitable for a variety of applications, including communication equipment, industrial systems, and high-performance computing.
1. Wide Input Voltage Range: It supports an input voltage range from 1.4 V to 6.5 V, making it suitable for various applications.
2. Output Voltage: It can deliver an output voltage range from 1.2 V to 5.1 V, adjustable via external resistors.
3. High Output Current: The regulator can provide up to 1 A of output current.
4. Low Dropout Voltage: It maintains a low dropout voltage, enhancing efficiency at low input-to-output voltage differentials.
5. High PSRR: Offers high power supply rejection ratio, which is crucial for noise-sensitive applications.
6. Low Noise: Features low output noise, making it ideal for powering RF and precision analog circuits.
7. Protection Features: Includes overcurrent and thermal shutdown protection for enhanced reliability.
8. Package: It comes in a compact, thermally efficient 10-pin 3 mm x 3 mm VSON package.
These features make the TPS7A3901DSCR suitable for a variety of applications, including communication equipment, industrial systems, and high-performance computing.
Pinout
The TPS7A3901DSCR is an LDO voltage regulator from Texas Instruments. It comes in a 10-pin VSON (DSC) package. This device is designed to provide a low-noise, low-dropout voltage regulation solution, ideal for noise-sensitive applications. Its key features include low quiescent current, high power-supply rejection ratio (PSRR), and excellent load and line transient response. The TPS7A3901 is typically used in applications such as RF and analog power supplies, medical instrumentation, and industrial automation.
Manufacturer
The TPS7A3901DSCR is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is headquartered in Dallas, Texas, and is one of the top producers of semiconductors globally, with a focus on developing analog chips and embedded processors, which are widely used in electronics across industries. Texas Instruments serves a broad array of sectors including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Its products are integral to enabling the performance and functionality of electronic devices.
Application
The TPS7A3901DSCR is a high-performance, low-dropout (LDO) voltage regulator. Its application areas include powering sensitive analog circuitry and RF components due to its low noise and high PSRR (Power Supply Rejection Ratio). It's suitable for use in communication equipment, test and measurement devices, and medical instruments. The device is also advantageous in battery-operated devices for its low quiescent current, making it ideal for extending battery life in portable electronics. Additionally, the TPS7A3901DSCR is used in post DC-DC converter regulation to provide clean and stable voltage outputs for precision applications.
Package
The TPS7A3901DSCR is a low-dropout (LDO) voltage regulator from Texas Instruments. It is packaged in a small, thermally enhanced 10-pin WSON (DSC) package, which provides efficient heat dissipation and is suitable for space-constrained applications.
