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TLVH431IPK
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TLVH431IPK

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Low voltage shunt regulator - Adjustable output voltage - High accuracy and stability - Low quiescent current - Wide operating temperature range

Package: TO-252-3 (DPAK)

Essence: The TLVH431IPK is a low voltage shunt regulator IC that provides a stable reference voltage. It is commonly used in various electronic circuits to maintain a constant voltage level.

Packaging/Quantity: The TLVH431IPK is available in a TO-252-3 package, also known as DPAK (Plastic Package). It is typically sold in reels or tubes containing multiple units.

Specifications

  • Reference Voltage Range: 1.24V to 16V
  • Output Current: Up to 100mA
  • Quiescent Current: 60µA (Typical)
  • Operating Temperature Range: -40°C to +125°C
  • Line Regulation: 0.2% (Typical)
  • Load Regulation: 0.4% (Typical)
  • Dropout Voltage: 0.6V (Typical)

Pin Configuration

The TLVH431IPK has three pins:

  1. Anode (A): Connected to the positive terminal of the input voltage.
  2. Cathode (C): Connected to the ground or negative terminal of the circuit.
  3. Reference (R): Provides the stable reference voltage.

TLVH431IPK Pin Configuration

Functional Features

  • Voltage Reference: The TLVH431IPK acts as a precise voltage reference, maintaining a constant voltage level regardless of changes in input voltage or load conditions.
  • Adjustable Output: The output voltage can be adjusted by connecting external resistors to the reference pin, allowing flexibility in circuit design.
  • Low Quiescent Current: The IC consumes very low current when in standby mode, minimizing power consumption and extending battery life.
  • High Accuracy and Stability: The TLVH431IPK provides high accuracy and stability over a wide temperature range, ensuring reliable performance in various operating conditions.

Advantages and Disadvantages

Advantages: - Precise voltage regulation - Adjustable output voltage - Low quiescent current - Wide operating temperature range - Easy to use and integrate into circuits

Disadvantages: - Limited output current capacity (up to 100mA) - Dropout voltage of 0.6V may not be suitable for applications with tight voltage margins

Working Principles

The TLVH431IPK operates as a shunt regulator, maintaining a constant voltage at the reference pin. It compares the reference voltage with the input voltage and adjusts the current flowing through the device to keep the output voltage stable. By adjusting the resistance connected to the reference pin, the desired output voltage can be set.

Detailed Application Field Plans

The TLVH431IPK is widely used in various electronic applications, including:

  1. Voltage regulators in power supplies
  2. Battery charging circuits
  3. Voltage monitoring and protection circuits
  4. Precision measurement instruments
  5. Audio amplifiers and preamplifiers
  6. Automotive electronics
  7. Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to TLVH431IPK that offer similar functionality are:

  1. TL431ACP - TO-92 package, adjustable precision shunt regulator
  2. LM4040CIM3-2.5/NOPB - SOT-23 package, precision micropower shunt voltage reference
  3. LT1004CZ-1.2#PBF - TO-92 package, precision reference voltage source

These alternative models can be considered based on specific requirements and compatibility with the circuit design.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan TLVH431IPK dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of TLVH431IPK in technical solutions:

  1. Q: What is TLVH431IPK? A: TLVH431IPK is a precision programmable shunt voltage reference that can be used as a voltage regulator or voltage monitor in various electronic circuits.

  2. Q: What is the purpose of TLVH431IPK in technical solutions? A: TLVH431IPK is commonly used to provide stable and accurate voltage references for applications such as power supplies, battery chargers, and voltage monitoring circuits.

  3. Q: How does TLVH431IPK work? A: TLVH431IPK operates by comparing an input voltage with a reference voltage and adjusting its output to maintain a constant voltage difference between the two.

  4. Q: What is the voltage range supported by TLVH431IPK? A: TLVH431IPK typically supports a voltage range from 1.24V to 18V, depending on the specific model.

  5. Q: Can TLVH431IPK handle high currents? A: No, TLVH431IPK is designed for low to moderate current applications. It is not suitable for high-current loads.

  6. Q: Is TLVH431IPK temperature-compensated? A: Yes, TLVH431IPK has built-in temperature compensation to ensure stable performance over a wide temperature range.

  7. Q: Can TLVH431IPK be used in automotive applications? A: Yes, some variants of TLVH431IPK are specifically designed for automotive applications and meet the required standards.

  8. Q: Are there any external components required for TLVH431IPK to function? A: Yes, TLVH431IPK typically requires a few external components such as resistors and capacitors to set the desired output voltage and improve stability.

  9. Q: Can TLVH431IPK be used in both analog and digital circuits? A: Yes, TLVH431IPK can be used in both analog and digital circuits where a stable voltage reference is required.

  10. Q: Are there any alternative devices to TLVH431IPK for voltage reference applications? A: Yes, there are other voltage reference ICs available in the market, such as LM431, REF3030, and LT1236, which can be considered as alternatives to TLVH431IPK depending on specific requirements.

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