사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | Automotive, AEC-Q100 |
| 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 ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
개요
Description
The TL431AQDBVRQ1 is a precision programmable voltage reference from Texas Instruments, typically used in automotive and industrial applications. It features an adjustable shunt regulator that can be set to a desired voltage using external resistors, covering a wide range from 2.5V to 36V. The device has a typical output voltage tolerance of ±0.5%, making it suitable for applications requiring high accuracy.
This component is housed in a space-efficient SOT-23 package, making it ideal for applications with tight space constraints. The TL431AQDBVRQ1 operates over a broad temperature range, supporting temperature-critical environments. Its low output impedance and fast dynamic response make it suitable for use in feedback control loops, voltage monitoring, and as a precision current limiter.
The device is AEC-Q100 qualified, ensuring it meets automotive industry standards for reliability and performance. It is commonly used in power supplies, battery chargers, and other circuits requiring a stable reference voltage.
This component is housed in a space-efficient SOT-23 package, making it ideal for applications with tight space constraints. The TL431AQDBVRQ1 operates over a broad temperature range, supporting temperature-critical environments. Its low output impedance and fast dynamic response make it suitable for use in feedback control loops, voltage monitoring, and as a precision current limiter.
The device is AEC-Q100 qualified, ensuring it meets automotive industry standards for reliability and performance. It is commonly used in power supplies, battery chargers, and other circuits requiring a stable reference voltage.
Equivalent
The TL431AQDBVRQ1 is a precision adjustable shunt regulator. Equivalent products include the LM431 series from Texas Instruments, KA431 from ON Semiconductor, LMV431 from STMicroelectronics, and the AZ431 from Diodes Incorporated. These components offer similar functionality and can typically be used as substitutes, but always check specific parameters and ratings to ensure compatibility with your application.
Features
The TL431AQDBVRQ1 is a precision programmable shunt voltage reference with several key features:
1. Wide Operating Voltage Range: It operates from 2.495 V to 36 V, making it versatile for various applications.
2. High Precision: It offers a tight voltage tolerance, typically ±1%, which ensures accurate performance in critical applications.
3. Adjustable Output Voltage: The device can be configured to output any voltage between its reference voltage and 36 V, which allows for flexible circuit designs.
4. Automotive Qualified: It meets AEC-Q100 standards, ensuring reliability in automotive environments.
5. Low Temperature Coefficient: With a typical temperature coefficient of 34 ppm/°C, it provides stable operation across different temperature ranges.
6. Sink Current Capability: The device can sink currents from 1 mA to 100 mA, making it suitable for a variety of load conditions.
7. Small Package Options: It is available in SOT-23 and other compact packages, which are ideal for space-constrained applications.
These features make the TL431AQDBVRQ1 suitable for use in voltage regulation, feedback networks, and as a reference voltage source in various electronic circuits.
1. Wide Operating Voltage Range: It operates from 2.495 V to 36 V, making it versatile for various applications.
2. High Precision: It offers a tight voltage tolerance, typically ±1%, which ensures accurate performance in critical applications.
3. Adjustable Output Voltage: The device can be configured to output any voltage between its reference voltage and 36 V, which allows for flexible circuit designs.
4. Automotive Qualified: It meets AEC-Q100 standards, ensuring reliability in automotive environments.
5. Low Temperature Coefficient: With a typical temperature coefficient of 34 ppm/°C, it provides stable operation across different temperature ranges.
6. Sink Current Capability: The device can sink currents from 1 mA to 100 mA, making it suitable for a variety of load conditions.
7. Small Package Options: It is available in SOT-23 and other compact packages, which are ideal for space-constrained applications.
These features make the TL431AQDBVRQ1 suitable for use in voltage regulation, feedback networks, and as a reference voltage source in various electronic circuits.
Pinout
The TL431AQDBVRQ1 is a three-terminal adjustable shunt regulator, commonly used for voltage regulation applications. It comes in a SOT-23 package and has three pins. Here's a brief overview of its pin configuration and function:
1. Cathode (Pin 3): This pin is connected to the more negative side of the power source. It functions as the reference voltage output when the device is operating in a shunt regulator configuration.
2. Anode (Pin 2): This pin is connected to the more positive side of the power source. It serves as the common terminal when the TL431AQDBVRQ1 is used in a typical shunt regulator circuit.
3. Reference (Pin 1): This pin is used to adjust the output voltage. By connecting external resistors to this pin, you can set the desired output voltage level across the cathode and anode.
The TL431AQDBVRQ1 is widely used in applications requiring precise voltage regulation due to its adjustable reference voltage capability.
1. Cathode (Pin 3): This pin is connected to the more negative side of the power source. It functions as the reference voltage output when the device is operating in a shunt regulator configuration.
2. Anode (Pin 2): This pin is connected to the more positive side of the power source. It serves as the common terminal when the TL431AQDBVRQ1 is used in a typical shunt regulator circuit.
3. Reference (Pin 1): This pin is used to adjust the output voltage. By connecting external resistors to this pin, you can set the desired output voltage level across the cathode and anode.
The TL431AQDBVRQ1 is widely used in applications requiring precise voltage regulation due to its adjustable reference voltage capability.
Manufacturer
The TL431AQDBVRQ1 is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronics across the globe. TI is known for its commitment to innovation and quality, providing a wide range of products like analog chips, digital signal processors (DSPs), and microcontrollers, among others. As a key player in the semiconductor industry, Texas Instruments serves various markets including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company's focus extends to both consumer and industrial applications, making it a versatile and influential entity in the tech sector.
Application
The TL431AQDBVRQ1 is a precision programmable voltage reference commonly used in various applications, including power supply regulation, voltage monitoring, and shunt regulator circuits. It is often employed in switching power supplies, battery chargers, and LED drivers, where it helps maintain stable voltage levels. Additionally, this device is used in precision current limiters, over-voltage protection circuits, and as a reference in analog-to-digital converters and digital-to-analog converters. Its automotive qualification makes it suitable for use in automotive electronic systems where reliability under varying conditions is crucial.
Package
The TL431AQDBVRQ1 is a precision programmable voltage reference from Texas Instruments, and it is housed in a standard SOT-23 package.
