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TLVH431CDCKRG4
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TLVH431CDCKRG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Reference
  • Characteristics: High precision, low power consumption
  • Package: SOT-23 (Small Outline Transistor)
  • Essence: Adjustable Precision Shunt Regulator
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Reference Voltage Range: 1.24V to 16V
  • Output Current: Up to 100mA
  • Operating Temperature Range: -40°C to +125°C
  • Line Regulation: 0.2% typical
  • Load Regulation: 0.4% typical
  • Quiescent Current: 60µA typical
  • Dropout Voltage: 400mV typical at 100mA load current

Pin Configuration

The TLVH431CDCKRG4 has a SOT-23 package with three pins:

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

Functional Features

  • Adjustable Voltage Reference: The TLVH431CDCKRG4 allows for precise adjustment of the output voltage within the specified range.
  • High Precision: Provides a highly accurate reference voltage with low temperature coefficient and excellent long-term stability.
  • Low Power Consumption: The device operates with low quiescent current, making it suitable for battery-powered applications.
  • Short-Circuit Protection: Built-in protection against short-circuits ensures the safety of the device and connected components.

Advantages and Disadvantages

Advantages

  • Wide operating voltage range
  • High accuracy and stability
  • Low power consumption
  • Small package size for space-constrained applications
  • Short-circuit protection

Disadvantages

  • Limited output current capacity (up to 100mA)
  • Dropout voltage may affect performance in low voltage applications

Working Principles

The TLVH431CDCKRG4 is a precision shunt regulator that maintains a constant voltage across the ADJ and K pins. It compares the reference voltage at the ADJ pin with an internal voltage reference, adjusting the current flowing through the device to maintain a stable output voltage.

Detailed Application Field Plans

The TLVH431CDCKRG4 is widely used in various applications, including:

  1. Voltage Regulation: Provides a stable reference voltage for analog circuits, ensuring accurate signal processing.
  2. Battery-Powered Devices: Used in portable electronics to regulate voltage and extend battery life.
  3. Power Supplies: Ensures precise voltage regulation in power supply circuits, improving overall system performance.
  4. Automotive Electronics: Used in automotive systems for voltage monitoring and regulation.
  5. Industrial Control Systems: Provides voltage references for control systems, ensuring accurate measurements and reliable operation.

Detailed and Complete Alternative Models

  1. TL431: Similar adjustable precision shunt regulator with different package options.
  2. LM4040: Precision voltage reference with fixed output voltage options.
  3. LT1236: High-precision shunt voltage reference with low temperature drift.

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

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TLVH431CDCKRG4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TLVH431CDCKRG4 in technical solutions:

  1. Q: What is TLVH431CDCKRG4? A: TLVH431CDCKRG4 is a voltage reference and shunt regulator IC that provides a stable reference voltage for various applications.

  2. Q: What is the purpose of TLVH431CDCKRG4? A: TLVH431CDCKRG4 is commonly used to regulate voltage levels, provide accurate voltage references, and protect sensitive components from overvoltage conditions.

  3. Q: What is the operating voltage range of TLVH431CDCKRG4? A: The operating voltage range of TLVH431CDCKRG4 is typically between 1.24V and 18V.

  4. Q: How does TLVH431CDCKRG4 work? A: TLVH431CDCKRG4 works by comparing the reference voltage with an input voltage and adjusting its output to maintain a constant voltage difference.

  5. Q: Can TLVH431CDCKRG4 be used as a voltage regulator? A: Yes, TLVH431CDCKRG4 can be used as a voltage regulator by connecting it in parallel with the load and adjusting the feedback resistors accordingly.

  6. Q: What are the typical applications of TLVH431CDCKRG4? A: TLVH431CDCKRG4 is commonly used in power supplies, battery chargers, audio amplifiers, LED drivers, and other electronic circuits requiring precise voltage regulation.

  7. Q: What is the output voltage accuracy of TLVH431CDCKRG4? A: The output voltage accuracy of TLVH431CDCKRG4 is typically within ±1%.

  8. Q: Can TLVH431CDCKRG4 handle high currents? A: TLVH431CDCKRG4 can handle currents up to 100mA, making it suitable for low to moderate power applications.

  9. Q: Is TLVH431CDCKRG4 temperature-compensated? A: Yes, TLVH431CDCKRG4 is temperature-compensated, ensuring stable performance over a wide range of operating temperatures.

  10. Q: What package does TLVH431CDCKRG4 come in? A: TLVH431CDCKRG4 is available in a small SOT-23 package, which is commonly used for surface-mount applications.

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