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TLVH431CDBZR
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TLVH431CDBZR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Reference
  • Characteristics: Low-voltage adjustable precision shunt regulator
  • Package: SOT-23 (Small Outline Transistor 23)
  • Essence: TLVH431CDBZR is a voltage reference IC that provides a stable and precise output voltage.
  • Packaging/Quantity: Available in tape and reel packaging, with 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
  • Input Voltage Range: 2.5V to 16V
  • Accuracy: ±1%
  • Low Dynamic Output Impedance

Detailed Pin Configuration

The TLVH431CDBZR has three pins:

  1. Anode (A): Connected to the input voltage source.
  2. Cathode (K): Connected to the ground or reference voltage.
  3. Adjust (ADJ): Provides the adjustable output voltage.

Functional Features

  • Voltage Regulation: The TLVH431CDBZR maintains a stable output voltage regardless of changes in the input voltage or load conditions.
  • Adjustable Output Voltage: The ADJ pin allows for fine-tuning of the output voltage within the specified range.
  • Low Power Consumption: The IC operates with low quiescent current, making it suitable for battery-powered applications.
  • Short-Circuit Protection: The TLVH431CDBZR includes built-in protection against short-circuits, ensuring the safety of the circuit.

Advantages and Disadvantages

Advantages: - Precise and stable output voltage - Adjustable output voltage - Low power consumption - Short-circuit protection

Disadvantages: - Limited output current capacity (up to 100mA) - Requires external components for specific applications

Working Principles

The TLVH431CDBZR operates as a shunt regulator, maintaining a constant voltage between the ADJ and K pins. It compares the reference voltage with the feedback voltage and adjusts the current flowing through the shunt resistor to maintain the desired output voltage.

Detailed Application Field Plans

The TLVH431CDBZR finds applications in various fields, including:

  1. Power Supplies: It is used as a voltage reference in power supply circuits to ensure stable and accurate output voltages.
  2. Battery Management: The IC is employed in battery charging circuits to regulate the charging voltage and protect the battery from overcharging.
  3. Audio Amplifiers: It can be utilized in audio amplifier circuits to provide a stable bias voltage for optimal performance.
  4. Automotive Electronics: The TLVH431CDBZR is suitable for automotive applications, such as voltage regulation in automotive lighting systems or sensor circuits.

Detailed and Complete Alternative Models

  1. LM4040: A precision voltage reference IC available in various voltage options.
  2. LT1236: A low-drift voltage reference IC with high accuracy.
  3. MAX6126: An ultra-low noise voltage reference IC suitable for sensitive applications.
  4. REF5025: A high-precision voltage reference IC with low temperature drift.

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

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TLVH431CDBZR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TLVH431CDBZR:

  1. Q: What is TLVH431CDBZR? A: TLVH431CDBZR is a voltage reference and shunt regulator that can be used in various technical solutions.

  2. Q: What is the operating voltage range of TLVH431CDBZR? A: The operating voltage range of TLVH431CDBZR is typically between 1.24V and 18V.

  3. Q: How does TLVH431CDBZR work as a voltage reference? A: TLVH431CDBZR compares the input voltage with an internal reference voltage and adjusts its output to maintain a stable voltage.

  4. Q: Can TLVH431CDBZR be used as a voltage regulator? A: Yes, TLVH431CDBZR can be used as a voltage regulator by connecting it in parallel with a load resistor.

  5. Q: What is the typical output voltage accuracy of TLVH431CDBZR? A: The typical output voltage accuracy of TLVH431CDBZR is ±1%.

  6. Q: Is TLVH431CDBZR suitable for low-power applications? A: Yes, TLVH431CDBZR is designed for low-power applications and has a low quiescent current.

  7. Q: Can TLVH431CDBZR handle high currents? A: No, TLVH431CDBZR is not designed to handle high currents. It is typically used for low-current applications.

  8. Q: Does TLVH431CDBZR have built-in overvoltage protection? A: No, TLVH431CDBZR does not have built-in overvoltage protection. External protection circuitry may be required.

  9. Q: Can TLVH431CDBZR operate in temperature extremes? A: TLVH431CDBZR has a wide operating temperature range of -40°C to 125°C, making it suitable for various environments.

  10. Q: What are some common applications of TLVH431CDBZR? A: TLVH431CDBZR is commonly used in battery chargers, power supplies, voltage references, and precision measurement circuits.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of TLVH431CDBZR.