Texas Instruments
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TLVH431QLPR
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TLVH431QLPR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Reference
  • Characteristics: High precision, low voltage shunt regulator
  • Package: SOT-23 (Small Outline Transistor 23)
  • Essence: TLVH431QLPR is a voltage reference IC that provides a stable output voltage regardless of input variations.
  • Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

  • Reference Voltage Range: 1.24V to 6V
  • Operating Temperature Range: -40°C to +85°C
  • Output Current: 100mA
  • Input Voltage Range: 2.5V to 16V
  • Line Regulation: 0.2% (typical)
  • Load Regulation: 0.4% (typical)

Detailed Pin Configuration

The TLVH431QLPR has three pins:

  1. Anode (A): Connected to the positive terminal of the input voltage.
  2. Cathode (K): Connected to the negative terminal of the input voltage.
  3. Reference (R): Provides the stable output voltage.

Functional Features

  • Voltage Reference: TLVH431QLPR maintains a constant output voltage, making it suitable for precision applications.
  • Low Voltage Operation: It can operate at low input voltages, making it versatile for various electronic circuits.
  • Adjustable Output: The output voltage can be adjusted using external resistors.
  • Low Quiescent Current: Consumes minimal current when not actively regulating the voltage.

Advantages and Disadvantages

Advantages: - High precision voltage reference - Wide operating temperature range - Low quiescent current consumption - Adjustable output voltage

Disadvantages: - Limited output current capability (100mA) - Requires external resistors for precise voltage adjustment

Working Principles

The TLVH431QLPR is based on the principle of a shunt regulator. It compares the reference voltage at the Reference pin with the input voltage and adjusts the current flowing through the device to maintain a constant output voltage. By controlling the current, it compensates for any variations in the input voltage, ensuring a stable output.

Detailed Application Field Plans

The TLVH431QLPR finds applications in various fields, including:

  1. Power Supplies: It can be used as a voltage reference in power supply circuits to ensure stable output voltages.
  2. Battery Management: TLVH431QLPR can be employed in battery management systems to monitor and regulate battery voltages.
  3. Instrumentation: It is suitable for precision measurement instruments that require accurate voltage references.
  4. Automotive Electronics: TLVH431QLPR can be utilized in automotive electronics for voltage regulation and monitoring purposes.

Detailed and Complete Alternative Models

  1. TL431: Similar voltage reference IC with adjustable output and higher output current capability.
  2. LM4040: Precision voltage reference IC available in various output voltage options.
  3. LT1236: High-precision voltage reference IC with low temperature coefficient.

These alternative models offer similar functionality to the TLVH431QLPR and can be considered based on specific application requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق TLVH431QLPR في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of TLVH431QLPR:

  1. Q: What is TLVH431QLPR? A: TLVH431QLPR is a precision adjustable shunt voltage reference that can be used in various technical solutions.

  2. Q: What is the purpose of TLVH431QLPR? A: TLVH431QLPR is primarily used as a voltage reference to provide stable and accurate voltage levels in electronic circuits.

  3. Q: How does TLVH431QLPR work? A: TLVH431QLPR works by comparing the input voltage with an internal reference voltage and regulating the output voltage accordingly.

  4. Q: What is the voltage range of TLVH431QLPR? A: The voltage range of TLVH431QLPR typically varies from 1.24V to 18V, depending on the specific model.

  5. Q: Can TLVH431QLPR be used in low-power applications? A: Yes, TLVH431QLPR is designed for low-power applications and has a low quiescent current consumption.

  6. Q: Is TLVH431QLPR suitable for automotive applications? A: Yes, TLVH431QLPR is often used in automotive applications due to its high accuracy and robustness.

  7. Q: Can TLVH431QLPR handle high currents? A: No, TLVH431QLPR is not designed to handle high currents. It is mainly used for voltage regulation purposes.

  8. Q: Are there any temperature limitations for TLVH431QLPR? A: TLVH431QLPR has a specified operating temperature range, typically between -40°C to +125°C.

  9. Q: Can TLVH431QLPR be used in battery-powered devices? A: Yes, TLVH431QLPR is commonly used in battery-powered devices due to its low power consumption and voltage stability.

  10. Q: Are there any specific precautions when using TLVH431QLPR? A: It is important to ensure proper decoupling and thermal management when using TLVH431QLPR to maintain its performance and reliability.