사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 2 |
| Voltage-Input(Max) | 6.5V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 5.2V |
| VoltageDropout(Max) | 0.4V @ 2A |
| Current-Output | 2A, 2A |
| Current-Quiescent(Iq) | 3.5 mA |
| Current-Supply(Max) | 4 mA |
| PSRR | 40dB (500kHz) |
| ControlFeatures | Enable, Power Good, Soft Start |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 20-WFQFN Exposed Pad |
개요
Description
The TPS7A8901RTJR is a high-performance low-dropout (LDO) voltage regulator developed by Texas Instruments. It is designed to provide a stable and precise output voltage, making it suitable for powering sensitive analog devices and minimizing noise in electronic circuits. The device supports an input voltage range of 1.4V to 6.5V and can deliver an output current of up to 2A, with a low dropout voltage, which enhances efficiency.
One of the standout features of the TPS7A8901RTJR is its ultra-low noise performance, typically around 4.4µVrms, which makes it ideal for noise-sensitive applications like RF and precision analog circuits. It also includes features such as programmable soft-start, current limit, thermal shutdown, and power-good indication.
The TPS7A8901RTJR comes in a small 3mm x 3mm WQFN package, offering a compact solution for space-constrained designs. Its combination of low noise, high PSRR (Power Supply Rejection Ratio), and robust protection features make it an excellent choice for a wide range of applications, including industrial, automotive, and communication systems.
One of the standout features of the TPS7A8901RTJR is its ultra-low noise performance, typically around 4.4µVrms, which makes it ideal for noise-sensitive applications like RF and precision analog circuits. It also includes features such as programmable soft-start, current limit, thermal shutdown, and power-good indication.
The TPS7A8901RTJR comes in a small 3mm x 3mm WQFN package, offering a compact solution for space-constrained designs. Its combination of low noise, high PSRR (Power Supply Rejection Ratio), and robust protection features make it an excellent choice for a wide range of applications, including industrial, automotive, and communication systems.
Equivalent
The TPS7A8901RTJR is a low-dropout (LDO) voltage regulator from Texas Instruments. Equivalent products from other manufacturers include:
1. LT3045 from Analog Devices, known for low noise and high PSRR.
2. RT8090 from Richtek, offering similar voltage regulation.
3. NCP716 from ON Semiconductor, another low dropout regulator.
When selecting an equivalent, ensure that the voltage, current ratings, noise performance, and package type match your specific application needs.
1. LT3045 from Analog Devices, known for low noise and high PSRR.
2. RT8090 from Richtek, offering similar voltage regulation.
3. NCP716 from ON Semiconductor, another low dropout regulator.
When selecting an equivalent, ensure that the voltage, current ratings, noise performance, and package type match your specific application needs.
Features
The TPS7A8901RTJR is a high-performance, low-dropout (LDO) linear voltage regulator designed by Texas Instruments. Key features include:
1. Output Current: Supports up to 2 A output current, making it suitable for high-current applications.
2. Low Dropout Voltage: Offers a very low dropout voltage, enhancing efficiency in power-sensitive applications.
3. Wide Input Voltage Range: Operates with an input voltage range from 1.4 V to 6.5 V, providing flexibility for various power sources.
4. Adjustable Output Voltage: The output voltage is adjustable from 0.8 V to 5.1 V, allowing for customization based on application needs.
5. Low Noise: Features low output noise, which is ideal for noise-sensitive circuits such as RF and analog applications.
6. High PSRR: Delivers excellent power supply rejection ratio (PSRR), improving performance in environments with fluctuating power conditions.
7. Thermal Protection: Built-in thermal shutdown and current limit protections enhance reliability.
8. Package: Available in a 3.00-mm × 3.00-mm WQFN package, allowing for compact PCB designs.
These features make the TPS7A8901RTJR suitable for a wide range of applications, including telecommunications, networking, and industrial systems.
1. Output Current: Supports up to 2 A output current, making it suitable for high-current applications.
2. Low Dropout Voltage: Offers a very low dropout voltage, enhancing efficiency in power-sensitive applications.
3. Wide Input Voltage Range: Operates with an input voltage range from 1.4 V to 6.5 V, providing flexibility for various power sources.
4. Adjustable Output Voltage: The output voltage is adjustable from 0.8 V to 5.1 V, allowing for customization based on application needs.
5. Low Noise: Features low output noise, which is ideal for noise-sensitive circuits such as RF and analog applications.
6. High PSRR: Delivers excellent power supply rejection ratio (PSRR), improving performance in environments with fluctuating power conditions.
7. Thermal Protection: Built-in thermal shutdown and current limit protections enhance reliability.
8. Package: Available in a 3.00-mm × 3.00-mm WQFN package, allowing for compact PCB designs.
These features make the TPS7A8901RTJR suitable for a wide range of applications, including telecommunications, networking, and industrial systems.
Pinout
The TPS7A8901RTJR is a low-dropout (LDO) voltage regulator from Texas Instruments. It is designed for applications requiring high performance and low noise. The package for this specific part number, RTJ, is a 20-pin WQFN (Quad Flat No-Lead) package.
Key functions of the TPS7A8901RTJR include:
1. Output Voltage Regulation: Provides a regulated output voltage with high accuracy.
2. Low Noise: Designed to minimize output noise, making it suitable for powering sensitive analog circuits.
3. High PSRR (Power Supply Rejection Ratio): Offers excellent PSRR performance, ideal for applications where input voltage variations need to be minimized.
4. Output Current Capability: Supports up to 2 A of output current.
5. Programmable Soft-Start: Ensures controlled start-up, minimizing inrush current.
6. Thermal and Overcurrent Protection: Protects the device during fault conditions.
These features make the TPS7A8901RTJR suitable for use in precision instrumentation, high-speed communication devices, and other systems that require a stable and low-noise power supply.
Key functions of the TPS7A8901RTJR include:
1. Output Voltage Regulation: Provides a regulated output voltage with high accuracy.
2. Low Noise: Designed to minimize output noise, making it suitable for powering sensitive analog circuits.
3. High PSRR (Power Supply Rejection Ratio): Offers excellent PSRR performance, ideal for applications where input voltage variations need to be minimized.
4. Output Current Capability: Supports up to 2 A of output current.
5. Programmable Soft-Start: Ensures controlled start-up, minimizing inrush current.
6. Thermal and Overcurrent Protection: Protects the device during fault conditions.
These features make the TPS7A8901RTJR suitable for use in precision instrumentation, high-speed communication devices, and other systems that require a stable and low-noise power supply.
Manufacturer
The TPS7A8901RTJR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company that develops analog and embedded processing chips. TI is known for producing a wide range of electronic components and integrated circuits used in various applications, including industrial, automotive, personal electronics, and communication equipment. The company focuses on innovation and reliability, providing solutions that enhance performance and efficiency in electronic devices.
Application
The TPS7A8901RTJR is a low-dropout (LDO) voltage regulator designed for applications requiring low noise and high precision. Common application areas include:
1. Telecommunications: Powering sensitive analog circuits and RF devices.
2. Industrial: Providing stable voltage supply for sensors and control systems.
3. Consumer Electronics: Used in devices like smartphones and tablets for power management.
4. Automotive: Supporting infotainment systems and advanced driver-assistance systems (ADAS).
5. Medical Equipment: Powering diagnostic and monitoring equipment where precision is crucial.
6. Data Centers: Ensuring reliable power delivery for delicate server components.
Its low noise and high-performance characteristics make it suitable for any application requiring precise voltage regulation and low electromagnetic interference.
1. Telecommunications: Powering sensitive analog circuits and RF devices.
2. Industrial: Providing stable voltage supply for sensors and control systems.
3. Consumer Electronics: Used in devices like smartphones and tablets for power management.
4. Automotive: Supporting infotainment systems and advanced driver-assistance systems (ADAS).
5. Medical Equipment: Powering diagnostic and monitoring equipment where precision is crucial.
6. Data Centers: Ensuring reliable power delivery for delicate server components.
Its low noise and high-performance characteristics make it suitable for any application requiring precise voltage regulation and low electromagnetic interference.
Package
The TPS7A8901RTJR is a low-dropout linear regulator from Texas Instruments, housed in a VQFN (Very Thin Quad Flat No-Lead) package. Specifically, the package type is a 3.00-mm x 3.00-mm VQFN with 16 pins. This compact package is suitable for applications requiring efficient thermal performance and a small footprint.
