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TLV431BCDBVR
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TLV431BCDBVR

Product Overview

  • Category: Integrated Circuits (ICs)
  • Use: Voltage References
  • Characteristics: Adjustable Precision Shunt Regulator
  • Package: SOT-23 (3)
  • Essence: TLV431BCDBVR is a voltage reference IC that provides a stable output voltage, making it suitable for various applications requiring precise voltage regulation.
  • Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

  • Reference Voltage Range: 1.24V to 6V
  • Operating Temperature Range: -40°C to +125°C
  • Output Current: 1mA to 100mA
  • Initial Accuracy: ±1%
  • Temperature Stability: ±50ppm/°C
  • Quiescent Current: 60µA

Detailed Pin Configuration

The TLV431BCDBVR has three pins:

  1. Anode (A): Connected to the positive terminal of the power supply.
  2. Cathode (K): Connected to the load or the circuit requiring regulated voltage.
  3. Reference (R): Provides the stable output voltage.

Functional Features

  • Adjustable Output Voltage: The TLV431BCDBVR allows users to set the desired output voltage within the specified range.
  • Low Quiescent Current: With a quiescent current of only 60µA, the TLV431BCDBVR minimizes power consumption.
  • High Accuracy and Stability: The initial accuracy of ±1% and temperature stability of ±50ppm/°C ensure precise voltage regulation over a wide temperature range.
  • Short Circuit Protection: The TLV431BCDBVR includes built-in short circuit protection, safeguarding the device and the connected circuitry.

Advantages and Disadvantages

Advantages: - Wide range of adjustable output voltages - Low quiescent current for power efficiency - High accuracy and stability for precise voltage regulation - Built-in short circuit protection

Disadvantages: - Limited maximum output current (up to 100mA) - SOT-23 package may require additional thermal considerations for high-power applications

Working Principles

The TLV431BCDBVR operates as a precision shunt regulator. It compares the reference voltage at the Reference (R) pin with an internal voltage reference, generating a feedback signal. This feedback signal controls the current flowing through the device, maintaining a stable output voltage between the Anode (A) and Cathode (K) pins.

Detailed Application Field Plans

The TLV431BCDBVR finds applications in various fields, including:

  1. Power Supplies: It can be used as a voltage reference in linear regulators, switching power supplies, and battery charging circuits.
  2. Audio Equipment: The TLV431BCDBVR ensures accurate voltage levels in audio amplifiers, mixers, and other audio processing circuits.
  3. Automotive Electronics: It is suitable for automotive applications such as voltage monitoring, sensor interfaces, and lighting control systems.
  4. Industrial Control Systems: The TLV431BCDBVR provides stable voltage references for motor control, instrumentation, and process control systems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TLV431BCDBVR include:

  1. LM4040: Precision Micropower Shunt Voltage Reference
  2. REF3030: Low-Drift, Low-Power, Voltage Reference
  3. MAX6126: Ultra-High-Precision, Low-Noise, Low-Dropout Voltage Reference

These alternatives can be considered based on specific application requirements and desired performance characteristics.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TLV431BCDBVR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TLV431BCDBVR:

  1. Q: What is TLV431BCDBVR? A: TLV431BCDBVR is a voltage reference and shunt regulator IC that provides a stable voltage reference with adjustable output.

  2. Q: What is the typical application of TLV431BCDBVR? A: TLV431BCDBVR is commonly used in various technical solutions such as power supplies, battery chargers, voltage regulators, and precision measurement circuits.

  3. Q: How does TLV431BCDBVR work? A: TLV431BCDBVR works by comparing the input voltage with an internal reference voltage and adjusting the output voltage accordingly to maintain a stable reference voltage.

  4. Q: What is the voltage range of TLV431BCDBVR? A: The voltage range of TLV431BCDBVR is typically from 1.24V to 6V.

  5. Q: Can TLV431BCDBVR be used as a voltage regulator? A: Yes, TLV431BCDBVR can be used as a voltage regulator by connecting it in parallel with a load resistor to provide a stable output voltage.

  6. Q: Is TLV431BCDBVR suitable for low-power applications? A: Yes, TLV431BCDBVR is suitable for low-power applications as it has low quiescent current consumption.

  7. Q: Can TLV431BCDBVR handle high currents? A: No, TLV431BCDBVR is not designed to handle high currents. It is typically used for low to moderate current applications.

  8. Q: Does TLV431BCDBVR require external components for operation? A: Yes, TLV431BCDBVR requires external resistors and capacitors for stability and to set the desired output voltage.

  9. Q: Can TLV431BCDBVR operate in a wide temperature range? A: Yes, TLV431BCDBVR is designed to operate in a wide temperature range, typically from -40°C to 125°C.

  10. Q: Is TLV431BCDBVR available in different package options? A: Yes, TLV431BCDBVR is available in various package options such as SOT-23, SC-70, and SOT-323, making it suitable for different PCB layouts and space constraints.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements of TLV431BCDBVR.