Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Obsolete |
| ReferenceType | Shunt |
| OutputType | Adjustable |
| Voltage-Output(Min/Fixed) | 2.495V |
| Voltage-Output(Max) | 37 V |
| Current-Output | 100 mA |
| Tolerance | ±2.2% |
| TemperatureCoefficient | 50ppm/°C Typical |
| Current-Cathode | 1 mA |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
Обзор
Description
The LM431AIM3X is a three-terminal adjustable shunt regulator, commonly used for voltage regulation in various electronic applications. It offers a precise voltage reference and is typically used in place of Zener diodes in circuits requiring superior stability and accuracy.
Key features include:
1. Adjustable Output Voltage: The output can be set to any value between 2.5V and 36V with the use of two external resistors.
2. Precision: It provides a typical output voltage tolerance of ±1%, ensuring high accuracy.
3. Temperature Stability: This device exhibits excellent temperature stability, making it suitable for environments with varying temperatures.
4. Low Output Noise: It maintains low noise levels on the output voltage, enhancing performance in sensitive applications.
5. SOT-23 Package: The compact SOT-23 package allows for space-efficient designs in compact circuits.
Common applications include switching power supplies, adjustable power supplies, and precision current sources. Its versatility and reliability make it a popular choice for engineers seeking a robust voltage regulation solution.
Key features include:
1. Adjustable Output Voltage: The output can be set to any value between 2.5V and 36V with the use of two external resistors.
2. Precision: It provides a typical output voltage tolerance of ±1%, ensuring high accuracy.
3. Temperature Stability: This device exhibits excellent temperature stability, making it suitable for environments with varying temperatures.
4. Low Output Noise: It maintains low noise levels on the output voltage, enhancing performance in sensitive applications.
5. SOT-23 Package: The compact SOT-23 package allows for space-efficient designs in compact circuits.
Common applications include switching power supplies, adjustable power supplies, and precision current sources. Its versatility and reliability make it a popular choice for engineers seeking a robust voltage regulation solution.
Equivalent
The LM431AIM3X is a programmable shunt regulator. Equivalent products include:
1. TL431 series by Texas Instruments
2. AZ431 series by Diodes Incorporated
3. KA431 by ON Semiconductor
4. TLV431 series for lower voltage references
5. LMV431 series for low voltage applications
These alternatives offer similar functionalities and can be used in various voltage reference and regulation circuits. Always verify the specific electrical characteristics and packaging to ensure compatibility with your application.
1. TL431 series by Texas Instruments
2. AZ431 series by Diodes Incorporated
3. KA431 by ON Semiconductor
4. TLV431 series for lower voltage references
5. LMV431 series for low voltage applications
These alternatives offer similar functionalities and can be used in various voltage reference and regulation circuits. Always verify the specific electrical characteristics and packaging to ensure compatibility with your application.
Features
The LM431AIM3X is a three-terminal adjustable shunt regulator with the following key features:
1. Adjustable Output Voltage: It can be set to any value between 2.5V and 36V with two external resistors.
2. Precision Reference Voltage: Typically 2.5V, offering stable and accurate voltage references.
3. Wide Operating Current: Functions effectively with a cathode current from 1 mA to 100 mA.
4. Temperature Stability: Offers excellent temperature stability for precise voltage regulation across a range of conditions.
5. Low Dynamic Output Impedance: Typically 0.22 ohms, ensuring good line and load regulation.
6. Package Options: Available in a small SOT-23-3 package, minimizing board space.
7. Applications: Commonly used in voltage reference, zener diode replacement, and adjustable voltage or current linear regulator scenarios.
8. Special Features: Improved performance over temperature as compared to standard diode references.
These features make the LM431AIM3X suitable for various applications requiring a precise voltage reference or regulation.
1. Adjustable Output Voltage: It can be set to any value between 2.5V and 36V with two external resistors.
2. Precision Reference Voltage: Typically 2.5V, offering stable and accurate voltage references.
3. Wide Operating Current: Functions effectively with a cathode current from 1 mA to 100 mA.
4. Temperature Stability: Offers excellent temperature stability for precise voltage regulation across a range of conditions.
5. Low Dynamic Output Impedance: Typically 0.22 ohms, ensuring good line and load regulation.
6. Package Options: Available in a small SOT-23-3 package, minimizing board space.
7. Applications: Commonly used in voltage reference, zener diode replacement, and adjustable voltage or current linear regulator scenarios.
8. Special Features: Improved performance over temperature as compared to standard diode references.
These features make the LM431AIM3X suitable for various applications requiring a precise voltage reference or regulation.
Pinout
The LM431AIM3X is a three-terminal adjustable shunt regulator. It typically comes in a SOT-23-3 package, which means it has 3 pins. Here is a brief overview of its pin functions:
1. Reference (Ref): This pin is used to set the output voltage. By connecting a resistor network to this pin, you can adjust the output voltage to a desired level.
2. Anode (A): This pin is typically connected to the ground or the lower potential point in the circuit. It is one of the terminals across which the regulation occurs.
3. Cathode (K): This is the output pin from which the regulated voltage is obtained. It is connected to the higher potential point in the circuit.
The LM431AIM3X is widely used for its precision voltage regulation capabilities in various applications, such as power supplies and voltage reference circuits.
1. Reference (Ref): This pin is used to set the output voltage. By connecting a resistor network to this pin, you can adjust the output voltage to a desired level.
2. Anode (A): This pin is typically connected to the ground or the lower potential point in the circuit. It is one of the terminals across which the regulation occurs.
3. Cathode (K): This is the output pin from which the regulated voltage is obtained. It is connected to the higher potential point in the circuit.
The LM431AIM3X is widely used for its precision voltage regulation capabilities in various applications, such as power supplies and voltage reference circuits.
Manufacturer
The LM431AIM3X is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs, manufactures, tests, and sells analog and embedded processing chips. Founded in 1930 and headquartered in Dallas, Texas, TI is one of the largest and most well-known companies in the semiconductor industry. The company focuses on creating technologies that improve daily life through electronics, and its products are used in a wide range of applications, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. TI is recognized for its innovation in the development of analog and digital signal processing technologies, as well as its robust product portfolio that includes amplifiers, data converters, power management ICs, microcontrollers, and more.
Application
The LM431AIM3X is a precision adjustable shunt regulator commonly used in various electronic applications. Its primary application areas include voltage regulation, where it acts as a reference in power supplies and battery chargers. Additionally, it is used in switching power supplies, adjustable power supplies, and data acquisition systems. It can serve in precision current limiters and as a programmable reference in analog circuits. The device's versatility and precision make it suitable for consumer electronics, industrial automation, and communication equipment, where stable voltage references are critical.
Package
The LM431AIM3X is available in the SOT-23 package type. This is a small-outline transistor package commonly used for surface-mount applications in electronic circuits.
