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TLV431BLPREG
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TLV431BLPREG

Product Overview

  • Category: Integrated Circuits (ICs)
  • Use: Voltage References
  • Characteristics: Low-Voltage Adjustable Precision Shunt Regulator
  • Package: SOT-23 (Thin, Small Outline Transistor)
  • Essence: The TLV431BLPREG is a precision shunt regulator that provides a stable reference voltage. It is designed to be used in various applications where accurate voltage references are required.
  • Packaging/Quantity: The TLV431BLPREG is available in a SOT-23 package and is typically sold in reels of 3000 units.

Specifications

  • Reference Voltage Range: 1.24V to 6V
  • Operating Current Range: 1μA to 100mA
  • Temperature Range: -40°C to +125°C
  • Accuracy: ±1%
  • Output Voltage Tolerance: ±0.5%
  • Line Regulation: 0.2%/V
  • Load Regulation: 0.4%/mA
  • Quiescent Current: 60μA

Pin Configuration

The TLV431BLPREG has three pins:

  1. Anode (A): Connected to the positive supply voltage.
  2. Cathode (K): Output pin that provides the regulated reference voltage.
  3. Adjust (ADJ): This pin is used to adjust the output voltage by connecting an external resistor.

Functional Features

  • Precision Voltage Reference: The TLV431BLPREG provides a highly accurate reference voltage, making it suitable for applications requiring precise voltage regulation.
  • Adjustable Output Voltage: By connecting an external resistor to the ADJ pin, the output voltage can be adjusted within the specified range.
  • Low Quiescent Current: The TLV431BLPREG has a low quiescent current, making it suitable for battery-powered applications.
  • Wide Temperature Range: It can operate in a wide temperature range, allowing it to be used in various environmental conditions.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Adjustable output voltage - Low quiescent current - Wide temperature range

Disadvantages: - Limited output current capability - Requires an external resistor for voltage adjustment

Working Principles

The TLV431BLPREG is based on the principle of a shunt regulator. It uses a precision reference voltage and compares it with the voltage across an external resistor connected to the ADJ pin. By adjusting the resistance value, the output voltage can be set within the specified range. The TLV431BLPREG maintains a constant voltage drop between the Anode and Cathode pins, providing a stable reference voltage at the Cathode pin.

Detailed Application Field Plans

The TLV431BLPREG can be used in various applications, including:

  1. Voltage References: It can be used as a precise voltage reference in analog circuits, ensuring accurate signal processing.
  2. Power Supplies: The TLV431BLPREG can be used as a voltage regulator in power supply circuits, providing stable output voltages.
  3. Battery-Powered Devices: Due to its low quiescent current and adjustable output voltage, it is suitable for battery-powered devices that require efficient power management.
  4. Sensor Circuits: It can be used in sensor circuits to provide a stable reference voltage for accurate measurements.

Detailed and Complete Alternative Models

Some alternative models to TLV431BLPREG are:

  1. LM4040: Precision Shunt Voltage Reference
  2. LT1236: Micropower Precision Shunt Voltage Reference
  3. MAX6126: Ultra-High-Precision Voltage Reference
  4. REF102: Precision Voltage Reference

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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10个与TLV431BLPREG在技术解决方案中的应用相关的常见问题及解答

Sure! Here are 10 common questions and answers related to the application of TLV431BLPREG:

  1. Q: What is TLV431BLPREG? A: TLV431BLPREG is a low-voltage adjustable precision shunt regulator IC.

  2. Q: What is the purpose of TLV431BLPREG? A: TLV431BLPREG is used to regulate voltage in various technical solutions.

  3. Q: What is the input voltage range for TLV431BLPREG? A: The input voltage range for TLV431BLPREG is typically between 1.24V and 18V.

  4. Q: How does TLV431BLPREG work? A: TLV431BLPREG compares the reference voltage with the feedback voltage to maintain a stable output voltage.

  5. Q: What is the output voltage range of TLV431BLPREG? A: The output voltage range of TLV431BLPREG can be adjusted from 1.24V to 16V.

  6. Q: Can TLV431BLPREG handle high currents? A: No, TLV431BLPREG is designed for low-current applications and can typically handle currents up to 100mA.

  7. Q: Is TLV431BLPREG suitable for battery-powered applications? A: Yes, TLV431BLPREG is commonly used in battery-powered applications due to its low quiescent current.

  8. Q: Does TLV431BLPREG require external components for operation? A: Yes, TLV431BLPREG requires an external resistor divider network to set the desired output voltage.

  9. Q: Can TLV431BLPREG tolerate overvoltage conditions? A: No, TLV431BLPREG is not designed to tolerate overvoltage conditions and may get damaged if the input voltage exceeds its maximum rating.

  10. Q: What are some typical applications of TLV431BLPREG? A: TLV431BLPREG is commonly used in power supplies, battery chargers, voltage references, and precision voltage regulators.

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