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TLV431AILP
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TLV431AILP

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Adjustable Precision Shunt Regulator - Low Output Voltage Tolerance: ±0.5% - Low Dynamic Output Impedance: 0.22Ω - Wide Operating Current Range: 1µA to 100mA - Low Temperature Coefficient: 50ppm/°C - Sink Current Capability: 1mA to 100mA - Programmable Output Voltage: 1.24V to 16V

Package: SOT-23 (Small Outline Transistor)

Essence: The TLV431AILP is a precision shunt regulator that provides a stable reference voltage for various applications.

Packaging/Quantity: The TLV431AILP is available in tape and reel packaging, with 3000 units per reel.

Specifications

  • Reference Voltage: 1.24V to 16V
  • Operating Current Range: 1µA to 100mA
  • Output Voltage Tolerance: ±0.5%
  • Temperature Coefficient: 50ppm/°C
  • Dynamic Output Impedance: 0.22Ω
  • Sink Current Capability: 1mA to 100mA
  • Package Type: SOT-23
  • Number of Pins: 3

Detailed Pin Configuration

The TLV431AILP has three pins:

  1. Anode (A): Connected to the positive terminal of the power supply.
  2. Cathode (K): Connected to the load or ground.
  3. Reference (R): Provides the stable reference voltage.

Functional Features

  • Adjustable Output Voltage: The TLV431AILP allows for precise adjustment of the output voltage within the specified range.
  • Low Output Voltage Tolerance: Provides a highly accurate reference voltage with a tolerance of ±0.5%.
  • Low Dynamic Output Impedance: Ensures stability and reduces the impact of load variations.
  • Wide Operating Current Range: Can operate with currents as low as 1µA and as high as 100mA.
  • Programmable Output Voltage: The output voltage can be programmed using external resistors.

Advantages

  • High precision and accuracy in voltage regulation.
  • Wide operating current range allows for versatile applications.
  • Low temperature coefficient ensures stability over varying temperatures.
  • Programmable output voltage provides flexibility in design.

Disadvantages

  • Limited output voltage range (1.24V to 16V).
  • Requires external resistors for programming the output voltage.

Working Principles

The TLV431AILP operates as a shunt regulator, maintaining a stable reference voltage between the cathode and reference pins. By adjusting the voltage at the reference pin, the output voltage can be set within the specified range. The device sinks current from the load, regulating the voltage across it.

Detailed Application Field Plans

The TLV431AILP is commonly used in various applications, including:

  1. Voltage Regulation: Provides a stable reference voltage for voltage regulators, ensuring consistent power supply voltages.
  2. Battery Charging: Used in battery charging circuits to maintain precise voltage levels during the charging process.
  3. Power Management: Enables efficient power management by regulating voltages in electronic devices.
  4. Sensor Circuits: Used in sensor circuits to provide accurate reference voltages for signal conditioning.
  5. Audio Amplifiers: Ensures stable biasing and voltage references in audio amplifier circuits.

Detailed and Complete Alternative Models

  1. TL431CDBZR: SOT-23 package, adjustable precision shunt regulator.
  2. LM4040CIM3-2.5: SOT-23 package, precision micropower shunt voltage reference.
  3. REF3030AIDBZT: SOT-23 package, precision voltage reference with low temperature coefficient.

These alternative models offer similar functionality and can be considered as substitutes for the TLV431AILP in various applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi TLV431AILP dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of TLV431AILP:

  1. Q: What is TLV431AILP? A: TLV431AILP is a precision adjustable shunt voltage reference that can be used in various technical solutions.

  2. Q: What is the purpose of TLV431AILP? A: TLV431AILP is commonly used as a voltage reference or regulator in electronic circuits to provide stable and accurate voltage levels.

  3. Q: What is the voltage range of TLV431AILP? A: TLV431AILP has an adjustable output voltage range from 1.24V to 6V.

  4. Q: How does TLV431AILP work? A: TLV431AILP works by comparing the input voltage with a reference voltage and adjusting its output to maintain a constant voltage level.

  5. Q: Can TLV431AILP be used as a voltage regulator? A: Yes, TLV431AILP can be used as a voltage regulator by connecting it in parallel with the load and adjusting the reference voltage accordingly.

  6. Q: What are the typical applications of TLV431AILP? A: TLV431AILP is commonly used in power supplies, battery chargers, audio amplifiers, and other electronic devices that require precise voltage regulation.

  7. Q: Is TLV431AILP suitable for low-power applications? A: Yes, TLV431AILP is designed for low-power applications and has a low quiescent current, making it energy-efficient.

  8. Q: Can TLV431AILP handle high currents? A: TLV431AILP has a maximum output current rating of 100mA, so it is suitable for low to moderate current applications.

  9. Q: How accurate is TLV431AILP in voltage regulation? A: TLV431AILP has a typical accuracy of ±1% and can provide stable voltage regulation even under varying load conditions.

  10. Q: Are there any precautions to consider when using TLV431AILP? A: Yes, it is important to ensure proper heat dissipation, avoid exceeding the maximum ratings, and follow the manufacturer's guidelines for optimal performance and reliability.