Texas Instruments
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TLVH432AQPK
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TLVH432AQPK

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Reference
  • Characteristics: Low Dropout, Precision, Adjustable Output
  • Package: SOT-23-3
  • Essence: TLVH432AQPK 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

  • Input Voltage Range: 2.5V to 16V
  • Output Voltage Range: 1.24V to 15V
  • Dropout Voltage: 0.2V (typical)
  • Output Current: Up to 100mA
  • Temperature Range: -40°C to +125°C
  • Reference Voltage Accuracy: ±0.5% (maximum)

Detailed Pin Configuration

The TLVH432AQPK has three pins:

  1. GND: Ground pin.
  2. Vref: Reference voltage output pin.
  3. Vin: Input voltage pin.

Functional Features

  • Provides a stable and precise reference voltage for various applications.
  • Low dropout voltage allows operation even with low input-output voltage differentials.
  • Adjustable output voltage enables customization for specific requirements.
  • Low quiescent current consumption for power-sensitive applications.
  • Excellent line and load regulation characteristics ensure consistent performance.

Advantages

  • High accuracy and stability of the reference voltage.
  • Wide input voltage range allows flexibility in system design.
  • Small package size enables space-saving on PCBs.
  • Low dropout voltage minimizes power dissipation.
  • Adjustable output voltage provides versatility.

Disadvantages

  • Limited output current capability compared to some other voltage references.
  • Higher cost compared to basic zener diode-based voltage references.
  • Sensitivity to temperature variations may require additional compensation circuitry.

Working Principles

The TLVH432AQPK is based on a bandgap voltage reference circuit. It utilizes a combination of bipolar and CMOS technologies to generate a stable reference voltage. The internal circuitry compensates for temperature changes, ensuring accurate output voltage over a wide temperature range.

Detailed Application Field Plans

The TLVH432AQPK is commonly used in various electronic systems that require a precise and stable reference voltage. Some typical application fields include:

  1. Power Management: Voltage regulation in battery-powered devices, power supplies, and voltage regulators.
  2. Analog Circuitry: Precision analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and operational amplifiers.
  3. Sensor Interfaces: Providing a stable reference voltage for sensor biasing and signal conditioning circuits.
  4. Communication Systems: Voltage references for RF transceivers, baseband processors, and audio amplifiers.

Detailed and Complete Alternative Models

  1. LM4040: A series of precision voltage references available in different package options with similar specifications.
  2. REF30xx: Low-power, low-dropout voltage references with adjustable output voltage and various package options.
  3. MAX619: Ultra-low-power, high-accuracy voltage references suitable for battery-powered applications.

These alternative models offer similar functionality and can be considered as substitutes for the TLVH432AQPK depending on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TLVH432AQPK v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TLVH432AQPK in technical solutions:

  1. Q: What is TLVH432AQPK? A: TLVH432AQPK is a voltage reference and adjustable precision shunt regulator IC.

  2. Q: What is the purpose of TLVH432AQPK? A: TLVH432AQPK is used to provide a stable voltage reference or regulate voltage levels in various electronic circuits.

  3. Q: What is the input voltage range for TLVH432AQPK? A: The input voltage range for TLVH432AQPK is typically between 1.24V and 18V.

  4. Q: How does TLVH432AQPK regulate voltage? A: TLVH432AQPK regulates voltage by maintaining a constant voltage drop across its internal shunt resistor.

  5. Q: What is the output voltage range of TLVH432AQPK? A: The output voltage range of TLVH432AQPK can be adjusted from 1.24V to approximately 18V.

  6. Q: Can TLVH432AQPK handle high currents? A: No, TLVH432AQPK is not designed to handle high currents. It is typically used for low-power applications.

  7. Q: Is TLVH432AQPK suitable for battery-powered devices? A: Yes, TLVH432AQPK is often used in battery-powered devices due to its low power consumption and ability to regulate voltage.

  8. Q: Does TLVH432AQPK require external components for operation? A: Yes, TLVH432AQPK requires an external resistor to set the desired output voltage.

  9. Q: Can TLVH432AQPK be used in automotive applications? A: Yes, TLVH432AQPK is suitable for automotive applications as it can operate within the required temperature range and voltage levels.

  10. Q: Are there any specific precautions to consider when using TLVH432AQPK? A: It is important to ensure proper heat dissipation and follow the manufacturer's guidelines for layout and thermal considerations.

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