Texas Instruments
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TLVH431ACDBZR
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TLVH431ACDBZR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Reference
  • Characteristics: High precision, low power consumption, adjustable output voltage
  • Package: SOT-23-3
  • Essence: TLVH431ACDBZR is a three-terminal adjustable shunt voltage reference IC.
  • Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

  • Reference Voltage Range: 1.24V to 16V
  • Operating Temperature Range: -40°C to +125°C
  • Output Current: Up to 100mA
  • Initial Accuracy: ±0.5%
  • Temperature Coefficient: 50ppm/°C

Detailed Pin Configuration

The TLVH431ACDBZR has three pins:

  1. Anode (A): Connected to the positive terminal of the power supply.
  2. Cathode (K): Connected to the load or ground.
  3. Adjust (ADJ): Used to set the desired output voltage.

Functional Features

  • Voltage Regulation: The TLVH431ACDBZR provides a stable output voltage regardless of input variations.
  • Adjustable Output: The ADJ pin allows users to adjust the output voltage according to their requirements.
  • Low Power Consumption: The IC operates with low quiescent current, making it suitable for battery-powered applications.
  • High Precision: With an initial accuracy of ±0.5%, the TLVH431ACDBZR offers precise voltage references.
  • Short-Circuit Protection: The IC includes built-in short-circuit protection to prevent damage under fault conditions.

Advantages and Disadvantages

Advantages: - Wide range of adjustable output voltages - High precision and stability - Low power consumption - Small package size

Disadvantages: - Limited output current capability (up to 100mA) - Requires an external resistor for precise voltage adjustment

Working Principles

The TLVH431ACDBZR operates as a shunt voltage reference. It compares the voltage across the ADJ pin with a stable internal reference voltage of 1.24V. By adjusting the resistance connected to the ADJ pin, the output voltage can be set within the specified range.

Detailed Application Field Plans

The TLVH431ACDBZR is commonly used in various applications, including:

  1. Voltage Regulation: Provides a stable reference voltage for analog circuits, ensuring accurate measurements.
  2. Power Supplies: Used as a voltage reference in power supply circuits to maintain consistent output voltages.
  3. Battery Management: Enables precise monitoring and control of battery charging and discharging processes.
  4. Temperature Sensors: Used in temperature measurement circuits to provide a stable reference voltage for accurate readings.
  5. Audio Amplifiers: Ensures consistent biasing and voltage levels in audio amplifier circuits, improving sound quality.

Detailed and Complete Alternative Models

Some alternative models to TLVH431ACDBZR include:

  1. LM4040: Precision Micropower Shunt Voltage Reference
  2. LT1236: Precision Reference
  3. MAX6001: Ultra-High-Precision Series Voltage Reference
  4. REF02: Precision Voltage Reference
  5. ADR421: Precision Micropower Low Dropout Voltage Reference

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق TLVH431ACDBZR في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of TLVH431ACDBZR in technical solutions:

  1. Q: What is TLVH431ACDBZR? A: TLVH431ACDBZR is a precision adjustable shunt voltage reference that can be used in various technical applications.

  2. Q: What is the purpose of TLVH431ACDBZR? A: TLVH431ACDBZR is commonly used as a voltage reference or regulator in electronic circuits to provide a stable and accurate voltage output.

  3. Q: What is the voltage range of TLVH431ACDBZR? A: TLVH431ACDBZR has an adjustable voltage range typically from 1.24V to 18V.

  4. Q: How does TLVH431ACDBZR work? A: TLVH431ACDBZR works by comparing the input voltage with a reference voltage and adjusting its resistance to maintain a constant output voltage.

  5. Q: Can TLVH431ACDBZR be used as a voltage regulator? A: Yes, TLVH431ACDBZR can be used as a voltage regulator by connecting it in parallel with the load and adjusting the reference voltage accordingly.

  6. Q: What are the typical applications of TLVH431ACDBZR? A: TLVH431ACDBZR is commonly used in power supplies, battery chargers, audio amplifiers, and other electronic devices requiring precise voltage regulation.

  7. Q: Is TLVH431ACDBZR suitable for low-power applications? A: Yes, TLVH431ACDBZR is designed for low-power applications and has a low quiescent current, making it energy-efficient.

  8. Q: Can TLVH431ACDBZR handle high currents? A: TLVH431ACDBZR is not designed to handle high currents directly. It is typically used in conjunction with a power transistor or MOSFET to handle higher current loads.

  9. Q: What are the advantages of using TLVH431ACDBZR? A: TLVH431ACDBZR offers high accuracy, low temperature coefficient, low dropout voltage, and good line regulation, making it suitable for precision applications.

  10. Q: Are there any precautions to consider when using TLVH431ACDBZR? A: Yes, some precautions include ensuring proper heat dissipation, avoiding excessive input voltage, and providing adequate decoupling capacitors for stability.

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