TL431AQDBZR

The TL431AQDBZR is a precision voltage reference and shunt regulator diode, commonly used in electronics for precise voltage regulation and control. This device is part of the TL431 family, known for its adjustable output voltage, precision, and reliability. The "AQ" variant indicates automotive-grade quality, ensuring high performance under a wide range of temperatures and conditions, making it suitable for automotive and industrial applications.
Key features of the TL431AQDBZR include:
1. Adjustable Output Voltage: The output voltage can be set to any value between 2.5V and 36V by using two external resistors, allowing for customizable applications.
2. High Accuracy: It offers tight voltage tolerance, typically around ±0.5%, contributing to its precision in regulation tasks.
3. Temperature Stability: Designed to function reliably over a wide temperature range, enhancing its suitability for environments with fluctuating temperatures.
4. Wide Operating Current: It can handle a wide range of cathode currents, from 1 mA to 100 mA.
This component is typically used in power supply applications, such as switching power supplies, and battery chargers, to provide a stable reference voltage.

The TL431AQDBZR is a precision programmable shunt voltage reference with the following key features:
1. Output Voltage Adjustability: Allows for an adjustable output voltage ranging from 2.5V to 36V, suitable for diverse applications.
2. Precision: Offers an initial accuracy of 0.5%, ensuring reliable performance in critical applications.
3. Temperature Stability: Designed to operate over a wide temperature range from -40°C to 125°C, providing reliable performance under varying environmental conditions.
4. Low Output Impedance: Features a typical output impedance of 0.22 ohms, ensuring stability and minimal variation in output voltage.
5. Sink Current Capability: Can sink currents from 1 mA to 100 mA, offering flexibility to cater to different load demands.
6. Package Options: Available in SOT-23 and other compact packages, facilitating easy integration into space-constrained designs.
7. Applications: Ideal for use in voltage monitoring, feedback networks in power supplies, and precision current limiting applications.
These features make the TL431AQDBZR a versatile component in power management systems, allowing for precise voltage regulation and control.

The TL431AQDBZR is available in a surface-mount SOT-23 package. This package type is commonly used for compact applications, offering a small footprint and ease of integration into circuit boards.

The TL431AQDBZR is a three-terminal adjustable precision shunt regulator. It typically comes in a SOT-23 package. The pin count for the SOT-23 package is three pins. Here's a brief overview of its pin functions:
1. Reference (REF): This pin is the input for the reference voltage. It sets the reference level against which the cathode voltage is regulated. By applying voltage to this pin, the output can be adjusted.
2. Anode (A): This pin is connected to the negative side of the power supply or load. It acts as the ground reference point.
3. Cathode (K): This pin functions as the output or the controlled terminal. It is connected to the positive side of the power supply or load. The cathode regulates the output voltage by sinking current to maintain the voltage at the set reference level.
The TL431AQDBZR is used in applications requiring precision voltage regulation, such as in power supplies and voltage reference circuits.

The TL431AQDBZR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic products and components, including integrated circuits, processors, and amplifiers. TI is known for its innovation in the electronics industry and serves a variety of markets, including consumer electronics, automotive, industrial, and telecommunications. The company focuses on creating technology that improves the performance and efficiency of electronic devices.

The TL431AQDBZR is a precision programmable voltage reference commonly used in various applications such as power supply regulation, switching power supplies, adjustable voltage and current linear regulators, and battery-operated devices. It is also utilized in comparator circuits, precision current limiting, and voltage monitoring systems. Its ability to provide a stable reference voltage makes it suitable for improving the accuracy and stability of analog-to-digital converters and digital-to-analog converters.

The TL431AQDBZR is a programmable precision reference chip. Equivalent products include:
1. LM431 from Texas Instruments.
2. KA431 from ON Semiconductor.
3. AZ431 from Diodes Incorporated.
4. TLV431 from Texas Instruments (lower voltage variant).
5. LMV431 from Texas Instruments (low voltage version).
These equivalents may differ slightly in specifications, so checking the datasheets for compatibility with your specific application is recommended.