Texas Instruments
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TLVH431CDBZT
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TLVH431CDBZT

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Reference
  • Characteristics: Low-Voltage Adjustable Precision Shunt Regulator
  • Package: SOT-23 (3-Lead)
  • Essence: The TLVH431CDBZT is a precision shunt regulator that provides a stable reference voltage across a wide range of operating conditions.
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Reference Voltage Range: 1.24V to 16V
  • Operating Current Range: 80µA to 100mA
  • Temperature Range: -40°C to +125°C
  • Line Regulation: 0.2% (typical)
  • Load Regulation: 0.4% (typical)

Detailed Pin Configuration

The TLVH431CDBZT has three leads in the SOT-23 package:

  1. Anode (A): Connected to the positive supply voltage.
  2. Cathode (K): Connected to the ground or negative supply voltage.
  3. Adjust (ADJ): Output pin that provides the reference voltage.

Functional Features

  • Precision Voltage Reference: The TLVH431CDBZT offers a highly accurate reference voltage, making it suitable for applications requiring precise voltage regulation.
  • Adjustable Output Voltage: By connecting external resistors, the output voltage can be adjusted to the desired value within the specified range.
  • Low Operating Current: The device operates with low quiescent current, minimizing power consumption.
  • Wide Temperature Range: It can operate reliably in extreme temperature conditions, making it suitable for various environments.

Advantages and Disadvantages

Advantages

  • High accuracy and stability
  • Adjustable output voltage
  • Low power consumption
  • Wide operating temperature range

Disadvantages

  • Limited maximum reference voltage (16V)
  • Requires external resistors for voltage adjustment

Working Principles

The TLVH431CDBZT is based on the principle of a shunt regulator. It uses a precision reference voltage to compare against the input voltage and maintain a stable output voltage. The device acts as a variable resistor, adjusting its resistance to keep the output voltage constant.

Detailed Application Field Plans

The TLVH431CDBZT is widely used in various applications, including:

  1. Voltage Regulation: It can be used as a precise voltage reference for analog circuits, ensuring accurate and stable operation.
  2. Battery Charging: The TLVH431CDBZT can be employed in battery charging circuits to provide a stable reference voltage for controlling the charging process.
  3. Power Supplies: It is suitable for use in power supply circuits to regulate the output voltage and improve overall system performance.
  4. Temperature Sensors: The TLVH431CDBZT can be utilized in temperature sensor circuits to provide a stable reference voltage for accurate temperature measurements.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TLVH431CDBZT are:

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

These alternatives provide comparable features and can be considered based on specific application requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням TLVH431CDBZT у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of TLVH431CDBZT in technical solutions:

  1. Q: What is TLVH431CDBZT? A: TLVH431CDBZT is a precision adjustable shunt voltage reference that can be used in various technical applications.

  2. Q: What is the purpose of TLVH431CDBZT? A: TLVH431CDBZT is primarily used as a voltage reference or regulator to provide a stable voltage output in electronic circuits.

  3. Q: What is the voltage range of TLVH431CDBZT? A: The TLVH431CDBZT has an adjustable voltage range from 1.24V to 18V.

  4. Q: How does TLVH431CDBZT work? A: TLVH431CDBZT works by comparing the reference voltage with the input voltage and adjusting its resistance to maintain a constant output voltage.

  5. Q: Can TLVH431CDBZT be used as a voltage regulator? A: Yes, TLVH431CDBZT can be used as a voltage regulator by connecting it in parallel with the load to maintain a stable output voltage.

  6. Q: What are the typical applications of TLVH431CDBZT? A: TLVH431CDBZT is commonly used in power supplies, battery chargers, voltage references, and other precision voltage regulation applications.

  7. Q: What is the accuracy of TLVH431CDBZT? A: TLVH431CDBZT has a high accuracy with a typical tolerance of ±1%.

  8. Q: What is the maximum current TLVH431CDBZT can handle? A: The maximum current that TLVH431CDBZT can handle is typically around 100mA.

  9. Q: Can TLVH431CDBZT be used in automotive applications? A: Yes, TLVH431CDBZT is suitable for automotive applications as it can operate over a wide temperature range and has low voltage dropout.

  10. Q: How do I select the appropriate resistor values for TLVH431CDBZT? A: The TLVH431CDBZT datasheet provides guidelines on selecting the resistor values based on the desired output voltage and current requirements.