Texas Instruments TLV431ACDBZR

The TLV431ACDBZR is a low-voltage, adjustable precision shunt regulator that can be used in various electronic circuits. It offers a reference voltage of 1.24 V and can be adjusted to different levels through external resistors. This IC is particularly useful in applications where a stable reference voltage is required. Functions: 1. Adjustable Reference Voltage: The TLV431 allows for an adjustable output voltage from 1.24 V up to 36 V. 2. Precision Regulation: The device features low output impedance and excellent line and load regulation. 3. Temperature Stability: The voltage reference provides good temperature stability, making it suitable for precision applications. Applications: 1. Power Supply Circuits: Used in voltage regulation circuits to provide stable reference voltages. 2. Battery Management Systems: Acts as a voltage regulator to monitor and control battery voltages. 3. Signal Conditioning: Can be used in signal processing applications where precise reference voltages are required. 4. Consumer Electronics: Used in various devices that need reliable voltage reference sources. Alternative Parts: 1. TL431: Similar adjustable shunt regulator with a slightly wider range and higher power rating. 2. LM4041: Another precision voltage reference but with fixed output levels. 3. LM317: An adjustable linear voltage regulator, though primarily designed for output regulation. Embedded Modules: Some modules may incorporate the TLV431 or similar components as part of a larger development platform. Examples include: 1. Voltage Reference Breakout Boards: Simple boards that expose the TLV431 for prototyping voltage reference applications. 2. Power Management ICs: Modules that integrate multiple voltage references and regulators may use the TLV431 as part of their internal design. Related Q&A: 1. Q: What is the typical output voltage of the TLV431? - A: The TLV431 has a nominal output voltage of 1.24 V, which can be adjusted using external resistors. 2. Q: Can the TLV431 be used in battery charging applications? - A: Yes, the TLV431 can be utilized in battery charging circuits to provide a stable reference voltage for charging management. 3. Q: What power supply voltages can the TLV431 handle? - A: The TLV431 can operate with input voltages from 2.5 V to 36 V. 4. Q: How does the TLV431 achieve low output impedance? - A: The low output impedance of the TLV431 is achieved through its internal design which allows for excellent regulation under varying load conditions. 5. Q: What are the advantages of selecting the TLV431 over other voltage reference devices? - A: The TLV431 offers a combination of adjustable voltage output, low temperature coefficient, and high accuracy, making it suitable for applications requiring precision voltage references.