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TLVH431ACLPR
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TLVH431ACLPR

Product Overview

  • Category: Integrated Circuits (ICs)
  • Use: Voltage References
  • Characteristics: Adjustable Precision Shunt Regulator
  • Package: SOT-23, 3-Pin
  • Essence: The TLVH431ACLPR is a low-voltage adjustable precision shunt regulator that provides a highly accurate voltage reference. It is designed to be used in various applications where a stable voltage reference is required.
  • Packaging/Quantity: The TLVH431ACLPR is available in a SOT-23 package and is sold in reels of 3000 units.

Specifications

  • Reference Voltage Range: 1.24V to 6V
  • Operating Current Range: 100µA to 100mA
  • Temperature Range: -40°C to +125°C
  • Line Regulation: 0.2% (typical)
  • Load Regulation: 0.4% (typical)

Detailed Pin Configuration

The TLVH431ACLPR has three pins:

  1. Anode (A): This pin is connected to the anode of the internal zener diode.
  2. Cathode (K): This pin is connected to the cathode of the internal zener diode.
  3. Adjust (ADJ): This pin is used to adjust the output voltage by connecting an external resistor divider network.

Functional Features

  • High Accuracy: The TLVH431ACLPR provides a highly accurate voltage reference with a low temperature coefficient.
  • Adjustable Output: The output voltage can be easily adjusted using an external resistor divider network.
  • Low Quiescent Current: The device operates at a low quiescent current, making it suitable for low-power applications.
  • Wide Temperature Range: The TLVH431ACLPR can operate in a wide temperature range, making it suitable for various environmental conditions.

Advantages and Disadvantages

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

Disadvantages: - Limited reference voltage range (1.24V to 6V) - Requires an external resistor divider network for voltage adjustment

Working Principles

The TLVH431ACLPR works as a shunt regulator by maintaining a constant voltage across its terminals. It uses an internal zener diode that acts as a voltage reference. By adjusting the resistance connected to the ADJ pin, the output voltage can be set to the desired value. The device continuously monitors the voltage across its terminals and adjusts the current flowing through the internal zener diode to maintain a stable output voltage.

Detailed Application Field Plans

The TLVH431ACLPR is widely used in various applications, including:

  1. Voltage References: The device is commonly used as a stable voltage reference in precision measurement equipment.
  2. Power Supplies: It can be used in power supply circuits to provide a stable reference voltage for other components.
  3. Battery Management Systems: The TLVH431ACLPR is used in battery management systems to monitor and regulate the charging and discharging of batteries.
  4. Audio Amplifiers: It can be used in audio amplifiers to provide a stable bias voltage for optimal performance.

Detailed and Complete Alternative Models

Some alternative models to the TLVH431ACLPR include:

  1. LM4040: A precision voltage reference with a fixed output voltage.
  2. LT1236: A high-precision shunt voltage reference with a wide operating temperature range.
  3. MAX6126: An ultra-low-noise, high-precision voltage reference.

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

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TLVH431ACLPR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TLVH431ACLPR:

  1. Q: What is TLVH431ACLPR? A: TLVH431ACLPR is a precision shunt regulator that provides a stable reference voltage for various technical solutions.

  2. Q: What is the purpose of TLVH431ACLPR in technical solutions? A: TLVH431ACLPR is commonly used as a voltage reference or voltage regulator in applications such as power supplies, battery chargers, and voltage monitoring circuits.

  3. Q: What is the voltage range supported by TLVH431ACLPR? A: TLVH431ACLPR supports a voltage range from 1.24V to 18V, making it suitable for a wide range of applications.

  4. Q: How does TLVH431ACLPR maintain a stable reference voltage? A: TLVH431ACLPR uses an internal feedback mechanism to regulate the output voltage, ensuring a constant reference voltage regardless of input variations.

  5. Q: Can TLVH431ACLPR handle high currents? A: No, TLVH431ACLPR is designed for low current applications. It typically handles currents up to a few milliamperes.

  6. Q: Is TLVH431ACLPR temperature-compensated? A: Yes, TLVH431ACLPR has built-in temperature compensation to maintain its accuracy over a wide temperature range.

  7. Q: Can TLVH431ACLPR be used in automotive applications? A: Yes, TLVH431ACLPR is suitable for automotive applications as it meets the necessary requirements for automotive-grade components.

  8. Q: Does TLVH431ACLPR require external components for operation? A: Yes, TLVH431ACLPR requires external resistors and capacitors to set the desired output voltage and stability.

  9. Q: What is the typical accuracy of TLVH431ACLPR? A: TLVH431ACLPR has a typical accuracy of ±1% or better, ensuring precise voltage regulation in most applications.

  10. Q: Can TLVH431ACLPR be used in low-power applications? A: Yes, TLVH431ACLPR is suitable for low-power applications as it consumes very little current itself, making it energy-efficient.

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