Specifications
| Attribute | Value |
| Package | Bulk,Bulk |
| ProductStatus | Obsolete |
| ReferenceType | Shunt |
| OutputType | Adjustable |
| Voltage-Output(Min/Fixed) | 2.495V |
| Voltage-Output(Max) | 36 V |
| Current-Output | 100 mA |
| Tolerance | ±1% |
| TemperatureCoefficient | 50ppm/°C Typical |
| Current-Cathode | 1 mA |
| OperatingTemperature | -25°C ~ 85°C (TA) |
| MountingType | Through Hole |
| Package/Case | TO-226-3, TO-92-3 (TO-226AA) |
Overview
Description
The TL431ACLP is a precision programmable voltage reference component, commonly used in electronic circuits for maintaining a stable voltage. It is part of the TL431 family, which is known for its versatility and reliability in providing reference voltages in a wide range of applications, including power supplies and battery chargers.
The TL431ACLP features an adjustable output voltage, typically ranging from 2.5V to 36V, which can be set using two external resistors. This flexibility makes it suitable for various circuit designs. It operates with a wide input voltage range and has a low output voltage temperature coefficient, ensuring stability and precision over different temperature conditions.
The component comes in a 3-pin package, simplifying integration into existing circuit boards. It is often used as a shunt regulator, providing a stable reference voltage by shunting excess current. The "AC" in its name denotes tighter reference voltage tolerance, making it suitable for applications requiring higher precision. Overall, the TL431ACLP is valued for its accuracy, adjustability, and ease of use in voltage regulation tasks.
The TL431ACLP features an adjustable output voltage, typically ranging from 2.5V to 36V, which can be set using two external resistors. This flexibility makes it suitable for various circuit designs. It operates with a wide input voltage range and has a low output voltage temperature coefficient, ensuring stability and precision over different temperature conditions.
The component comes in a 3-pin package, simplifying integration into existing circuit boards. It is often used as a shunt regulator, providing a stable reference voltage by shunting excess current. The "AC" in its name denotes tighter reference voltage tolerance, making it suitable for applications requiring higher precision. Overall, the TL431ACLP is valued for its accuracy, adjustability, and ease of use in voltage regulation tasks.
Equivalent
The TL431ACLP is a programmable precision shunt regulator. Equivalent products include the LM431, KA431, and AZ431. These chips offer similar functionality and can be used as substitutes in many applications requiring voltage reference and regulation. Be sure to check the specific parameters and performance requirements of your application, as there may be minor differences in specifications such as tolerance, temperature range, and package type.
Features
The TL431ACLP is a three-terminal adjustable shunt regulator with a wide range of features that make it suitable for various applications. Key features include:
1. Adjustable Output Voltage: The device allows for an adjustable output voltage range from 2.5V to 36V, providing flexibility for different circuit requirements.
2. Precise Voltage Reference: It offers a precise voltage reference with a typical reference voltage tolerance of ±1%, ensuring stable and accurate output.
3. Wide Operating Range: The TL431ACLP can operate over a wide temperature range from -40°C to 125°C, making it suitable for harsh environmental conditions.
4. Low Output Impedance: The low output impedance over a wide frequency range ensures stable performance and low noise.
5. High Stability: It features high stability and reliability, which is crucial for applications requiring consistent voltage regulation.
6. Low Temperature Coefficient: This feature minimizes the variation of the reference voltage over temperature changes, enhancing performance stability.
These features make the TL431ACLP ideal for use in power supply applications, voltage monitoring circuits, and adjustable voltage and current linear regulators.
1. Adjustable Output Voltage: The device allows for an adjustable output voltage range from 2.5V to 36V, providing flexibility for different circuit requirements.
2. Precise Voltage Reference: It offers a precise voltage reference with a typical reference voltage tolerance of ±1%, ensuring stable and accurate output.
3. Wide Operating Range: The TL431ACLP can operate over a wide temperature range from -40°C to 125°C, making it suitable for harsh environmental conditions.
4. Low Output Impedance: The low output impedance over a wide frequency range ensures stable performance and low noise.
5. High Stability: It features high stability and reliability, which is crucial for applications requiring consistent voltage regulation.
6. Low Temperature Coefficient: This feature minimizes the variation of the reference voltage over temperature changes, enhancing performance stability.
These features make the TL431ACLP ideal for use in power supply applications, voltage monitoring circuits, and adjustable voltage and current linear regulators.
Pinout
The TL431ACLP is a three-pin voltage reference device commonly used for precise voltage regulation. Here's a concise overview of its pin configuration and functions:
1. Pin Count: The TL431ACLP has three pins.
2. Pin Functions:
- Pin 1 (Reference, REF): This pin is the input for the reference voltage. It allows for the adjustment of the output voltage by connecting external resistors to set the desired reference level.
- Pin 2 (Anode, A): This is the anode terminal of the device. In typical applications, it is connected to the lower potential of the power supply or ground.
- Pin 3 (Cathode, K): The cathode pin functions as the output. When the device is active, it sinks current from the cathode to the anode to regulate the output voltage to the desired level.
The TL431ACLP is commonly used in power supply applications for creating a stable, adjustable reference voltage.
1. Pin Count: The TL431ACLP has three pins.
2. Pin Functions:
- Pin 1 (Reference, REF): This pin is the input for the reference voltage. It allows for the adjustment of the output voltage by connecting external resistors to set the desired reference level.
- Pin 2 (Anode, A): This is the anode terminal of the device. In typical applications, it is connected to the lower potential of the power supply or ground.
- Pin 3 (Cathode, K): The cathode pin functions as the output. When the device is active, it sinks current from the cathode to the anode to regulate the output voltage to the desired level.
The TL431ACLP is commonly used in power supply applications for creating a stable, adjustable reference voltage.
Manufacturer
The TL431ACLP is manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is a global company that specializes in the design and manufacturing of semiconductor components. These components are used in a wide range of applications, including automotive, industrial, consumer electronics, and communication markets, among others. onsemi focuses on providing energy-efficient innovations, offering power and signal management, logic, discrete, and custom devices to help its customers solve complex design challenges.
Application
The TL431ACLP is a precision programmable voltage reference, commonly used in various applications. It's often utilized in power supply regulation as it provides stable voltage references, essential for maintaining output stability. It is also used in feedback loops for switching power supplies and linear regulators to improve accuracy and performance. Additionally, the TL431ACLP is found in voltage monitoring systems, over-voltage protection circuits, and battery chargers, where precise voltage control is critical. Its ability to function as a comparator also allows it to be used in diverse applications such as threshold detection and signal conditioning in electronic circuits.
Package
The TL431ACLP is packaged in a TO-92 form factor, a commonly used package for transistors and voltage reference devices. It features three leads and is used for through-hole mounting in electronic circuits.
