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TL431AIDT
+Lista de MateriaisIC VREF SHUNT ADJ 1% 8SO
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FabricanteSTMicroeletrônica
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Peça do Fabricante #TL431AIDT
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Ficha Técnica TL431AIDT DataSheet
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Pacote SOIC-8
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.495V |
| Voltage - Output (Max) | 36 V |
| Current - Output | 100 mA |
| Tolerance | ±1% |
| Current - Cathode | 700 µA |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount |
Visão Geral
Description
The TL431AIDT is a precision programmable voltage reference from Texas Instruments. It is commonly used in voltage regulation and power supply circuits. The device features an adjustable shunt regulator, allowing it to maintain a stable output voltage over a wide range of input conditions. The TL431AIDT operates with a cathode current ranging from 1 mA to 100 mA, providing flexibility for various applications.
Key characteristics include low temperature coefficient, which ensures stability across temperature variations, and precise voltage tolerance that improves accuracy in voltage regulation. The device supports output voltage adjustments from 2.5V to 36V, making it versatile for different electronic circuits. It is available in various package types, such as the TO-92, SOT-23, and SOIC-8, catering to different design requirements.
The TL431AIDT is widely used in switching power supplies, linear regulators, and battery-operated devices, among others, where stable voltage reference is essential. Its reliability and precision make it a popular choice for engineers and designers in the electronics industry.
Key characteristics include low temperature coefficient, which ensures stability across temperature variations, and precise voltage tolerance that improves accuracy in voltage regulation. The device supports output voltage adjustments from 2.5V to 36V, making it versatile for different electronic circuits. It is available in various package types, such as the TO-92, SOT-23, and SOIC-8, catering to different design requirements.
The TL431AIDT is widely used in switching power supplies, linear regulators, and battery-operated devices, among others, where stable voltage reference is essential. Its reliability and precision make it a popular choice for engineers and designers in the electronics industry.
Equivalent
The TL431AIDT is a programmable shunt regulator. Equivalent products include:
1. LM431 by Texas Instruments
2. TL431 by ON Semiconductor
3. KA431 by Fairchild Semiconductor
4. AZ431 by Diodes Incorporated
5. AS431 by Bourns
6. TSM431 by Taiwan Semiconductor
These components generally share similar electrical characteristics and can serve as substitutes in many applications, but always verify specific parameters and pin configurations for compatibility.
1. LM431 by Texas Instruments
2. TL431 by ON Semiconductor
3. KA431 by Fairchild Semiconductor
4. AZ431 by Diodes Incorporated
5. AS431 by Bourns
6. TSM431 by Taiwan Semiconductor
These components generally share similar electrical characteristics and can serve as substitutes in many applications, but always verify specific parameters and pin configurations for compatibility.
Features
The TL431AIDT is a precision programmable shunt voltage reference. Key features include:
1. Adjustable Precision: Offers an adjustable output voltage from 2.5V to 36V, allowing for flexibility in various applications.
2. Temperature Stability: Exhibits excellent temperature stability, making it suitable for applications with varying thermal conditions.
3. Low Temperature Coefficient: Provides a low temperature coefficient of approximately 50 ppm/°C, ensuring minimal drift over temperature changes.
4. Tight Voltage Tolerance: Features a tight initial voltage tolerance, contributing to precise voltage regulation.
5. Low Output Impedance: Offers low output impedance, enhancing stability and performance in feedback systems.
6. Wide Operating Range: Supports a wide operating current range, typically from 1 mA to 100 mA.
7. Multiple Packages: Available in various packages such as TO-92, SOT-23, and SOIC, allowing for design flexibility.
8. Applications: Commonly used in voltage monitoring, power supply regulation, and as a voltage reference in A/D converters.
These features make the TL431AIDT suitable for a wide range of applications requiring precise voltage control and regulation.
1. Adjustable Precision: Offers an adjustable output voltage from 2.5V to 36V, allowing for flexibility in various applications.
2. Temperature Stability: Exhibits excellent temperature stability, making it suitable for applications with varying thermal conditions.
3. Low Temperature Coefficient: Provides a low temperature coefficient of approximately 50 ppm/°C, ensuring minimal drift over temperature changes.
4. Tight Voltage Tolerance: Features a tight initial voltage tolerance, contributing to precise voltage regulation.
5. Low Output Impedance: Offers low output impedance, enhancing stability and performance in feedback systems.
6. Wide Operating Range: Supports a wide operating current range, typically from 1 mA to 100 mA.
7. Multiple Packages: Available in various packages such as TO-92, SOT-23, and SOIC, allowing for design flexibility.
8. Applications: Commonly used in voltage monitoring, power supply regulation, and as a voltage reference in A/D converters.
These features make the TL431AIDT suitable for a wide range of applications requiring precise voltage control and regulation.
Pinout
The TL431AIDT is a precision programmable shunt voltage reference. It typically comes in a 3-pin configuration. Here are its pin functions:
1. Ref (Reference): This pin is used to set the reference voltage. It's where you connect the resistive divider network to program the output voltage.
2. Cathode: This serves as the output where the regulated voltage is provided. It's also the input for the control circuitry, effectively acting as the 'output' in terms of regulation.
3. Anode: This pin is connected to ground or the negative side of the voltage supply. It acts as the common terminal for the device.
The TL431 is commonly used in applications requiring a stable and adjustable reference voltage, such as in power supplies and battery chargers. Its ability to function as a shunt regulator makes it versatile and widely used in electronic circuits.
1. Ref (Reference): This pin is used to set the reference voltage. It's where you connect the resistive divider network to program the output voltage.
2. Cathode: This serves as the output where the regulated voltage is provided. It's also the input for the control circuitry, effectively acting as the 'output' in terms of regulation.
3. Anode: This pin is connected to ground or the negative side of the voltage supply. It acts as the common terminal for the device.
The TL431 is commonly used in applications requiring a stable and adjustable reference voltage, such as in power supplies and battery chargers. Its ability to function as a shunt regulator makes it versatile and widely used in electronic circuits.
Manufacturer
The TL431AIDT is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a variety of semiconductor products. It operates in sectors such as automotive, industrial, personal electronics, communications equipment, and computers. The company is headquartered in Geneva, Switzerland, and is known for its innovation in microelectronics and integrated circuits. STMicroelectronics serves a broad range of applications and industries, focusing on delivering efficient and sustainable solutions.
Application
The TL431AIDT is a versatile voltage reference and shunt regulator used in various applications. Key areas include:
1. Power Supply Regulation: It provides stable voltage reference for switching power supplies and linear regulators.
2. Voltage Monitoring: Used in over-voltage and under-voltage protection circuits.
3. Battery Chargers: Ensures accurate voltage regulation for safe and efficient battery charging.
4. Data Acquisition Systems: Provides precise reference voltage for analog-to-digital converters.
5. Feedback Control: Used in feedback loops to maintain consistent output in various electronic devices.
Its ability to maintain precision voltage makes it essential in circuits requiring stable voltage references.
1. Power Supply Regulation: It provides stable voltage reference for switching power supplies and linear regulators.
2. Voltage Monitoring: Used in over-voltage and under-voltage protection circuits.
3. Battery Chargers: Ensures accurate voltage regulation for safe and efficient battery charging.
4. Data Acquisition Systems: Provides precise reference voltage for analog-to-digital converters.
5. Feedback Control: Used in feedback loops to maintain consistent output in various electronic devices.
Its ability to maintain precision voltage makes it essential in circuits requiring stable voltage references.
Package
The TL431AIDT is available in a surface-mount SOT-23 package. It is a three-terminal adjustable shunt regulator with a compact form factor suitable for various electronic applications.
