仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| ReferenceType | Shunt |
| OutputType | Adjustable |
| Voltage-Output(Min/Fixed) | 2.495V |
| Voltage-Output(Max) | 36 V |
| Current-Output | 100 mA |
| Tolerance | ±1% |
| Current-Cathode | 700 µA |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
概要
Description
The TL431AIDBZR is a precision programmable voltage reference from Texas Instruments, commonly used in voltage regulation and control applications. It operates as a shunt regulator, which means it can maintain a stable output voltage by varying its current to consume excess power. The device is housed in a small SOT-23 package, making it suitable for compact circuit designs. It can be programmed to output a reference voltage between 2.5V and 36V using just two external resistors, providing flexibility for various applications.
Key features of the TL431AIDBZR include a low temperature coefficient, ensuring stability across temperature variations, and a wide operating current range, which enhances its versatility. Its high accuracy and reliability make it a popular choice in power supplies, battery chargers, and other electronic devices requiring precise voltage regulation. Additionally, the device's low output impedance and fast response time contribute to its effectiveness in dynamic applications. Overall, the TL431AIDBZR offers a cost-effective and efficient solution for voltage reference needs in electronic circuits.
Key features of the TL431AIDBZR include a low temperature coefficient, ensuring stability across temperature variations, and a wide operating current range, which enhances its versatility. Its high accuracy and reliability make it a popular choice in power supplies, battery chargers, and other electronic devices requiring precise voltage regulation. Additionally, the device's low output impedance and fast response time contribute to its effectiveness in dynamic applications. Overall, the TL431AIDBZR offers a cost-effective and efficient solution for voltage reference needs in electronic circuits.
Equivalent
The TL431AIDBZR is a precision programmable shunt voltage reference. Equivalent products include the LM431, LMV431, and TLVH431 from Texas Instruments, the AZ431 from Diodes Incorporated, the KA431 from ON Semiconductor, and the AS431 from BCD Semiconductor. Always ensure that the electrical characteristics match your application requirements when considering a substitute.
Features
The TL431AIDBZR is a three-terminal adjustable shunt regulator with the following key features:
1. Adjustable Output Voltage: The output voltage can be set to any value between approximately 2.5 V and 36 V with two external resistors.
2. Precise Reference Voltage: It offers a reference voltage of 2.495 V with a typical tolerance of ±0.5%, ensuring high accuracy for various applications.
3. Wide Operating Range: The device can operate with a cathode current from 1 mA to 100 mA.
4. Low Output Impedance: It has a dynamic output impedance of approximately 0.2 Ω, providing stable performance.
5. Temperature Range: The TL431AIDBZR is designed to operate over a wide temperature range of -40°C to 125°C, making it suitable for industrial applications.
6. Package Type: It is available in SOT-23 package, which is ideal for compact and space-constrained designs.
7. Applications: Commonly used in voltage regulation, adjustable power supplies, and as a precision voltage reference in various electronic circuits.
These features make it versatile for use in a variety of power management applications.
1. Adjustable Output Voltage: The output voltage can be set to any value between approximately 2.5 V and 36 V with two external resistors.
2. Precise Reference Voltage: It offers a reference voltage of 2.495 V with a typical tolerance of ±0.5%, ensuring high accuracy for various applications.
3. Wide Operating Range: The device can operate with a cathode current from 1 mA to 100 mA.
4. Low Output Impedance: It has a dynamic output impedance of approximately 0.2 Ω, providing stable performance.
5. Temperature Range: The TL431AIDBZR is designed to operate over a wide temperature range of -40°C to 125°C, making it suitable for industrial applications.
6. Package Type: It is available in SOT-23 package, which is ideal for compact and space-constrained designs.
7. Applications: Commonly used in voltage regulation, adjustable power supplies, and as a precision voltage reference in various electronic circuits.
These features make it versatile for use in a variety of power management applications.
Pinout
The TL431AIDBZR is a three-terminal adjustable shunt regulator. It typically comes in a SOT-23 package, which has three pins. The primary function of this device is to act as a precision adjustable voltage reference. Here are the pin functions:
1. Reference (Ref): This pin is the input for the control voltage.
2. Anode (A): Connected to the negative side of the reference voltage.
3. Cathode (K): The output pin which connects to the regulated voltage.
The TL431AIDBZR can be used in a variety of applications, such as voltage regulation, overvoltage protection, and as a reference in precision amplifiers. It provides a stable voltage output over a wide range of operating conditions, which makes it suitable for precision applications.
1. Reference (Ref): This pin is the input for the control voltage.
2. Anode (A): Connected to the negative side of the reference voltage.
3. Cathode (K): The output pin which connects to the regulated voltage.
The TL431AIDBZR can be used in a variety of applications, such as voltage regulation, overvoltage protection, and as a reference in precision amplifiers. It provides a stable voltage output over a wide range of operating conditions, which makes it suitable for precision applications.
Manufacturer
The TL431AIDBZR is manufactured by Texas Instruments. Texas Instruments, commonly referred to as TI, is an American technology company known for its development and production of semiconductors and various integrated circuits. TI is one of the largest manufacturers of analog technology components and embedded processors, playing a crucial role in various industries, including consumer electronics, automotive, industrial, and communications. The company is recognized for its commitment to innovation and quality in the field of semiconductor manufacturing.
Application
The TL431AIDBZR is a precision programmable voltage reference used in various applications, including power supply regulation, voltage monitoring, and feedback control systems. It is commonly employed in switch-mode power supplies (SMPS), battery chargers, and LED drivers. Additionally, it serves as a comparator in temperature sensors and can be used for precision threshold detection in overvoltage and undervoltage protection circuits. Its versatility and accurate voltage reference capabilities make it suitable for many electronic applications that require precise voltage regulation and monitoring.
Package
The TL431AIDBZR is a precision programmable shunt voltage reference packaged in a SOT-23-3 form factor, which is commonly used for surface-mount applications.
