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TLV431ACLP
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TLV431ACLP

Product Overview

  • Category: Integrated Circuits
  • Use: Voltage Reference
  • Characteristics: Low-voltage adjustable precision shunt regulator
  • Package: SOT-23 (Small Outline Transistor)
  • Essence: TLV431ACLP is a voltage reference IC that provides a stable output voltage regardless of input variations.
  • Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

  • Reference Voltage Range: 1.24V to 6V
  • Operating Current Range: 60µA to 15mA
  • Temperature Range: -40°C to +125°C
  • Accuracy: ±1%
  • Output Current: Up to 100mA
  • Input Voltage Range: 2.5V to 16V

Pin Configuration

The TLV431ACLP package consists of 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 output voltage.

Functional Features

  • Voltage Reference: TLV431ACLP maintains a precise reference voltage regardless of input voltage fluctuations.
  • Adjustable Output: The output voltage can be adjusted using external resistors.
  • Low Power Consumption: Operating current as low as 60µA, making it suitable for battery-powered applications.
  • Short Circuit Protection: Built-in short circuit protection prevents damage to the device during fault conditions.
  • Wide Temperature Range: Can operate in extreme temperature environments (-40°C to +125°C).

Advantages and Disadvantages

Advantages

  • High accuracy and stability.
  • Adjustable output voltage.
  • Low power consumption.
  • Small package size.
  • Short circuit protection.

Disadvantages

  • Limited output current capacity (up to 100mA).
  • Requires external resistors for voltage adjustment.

Working Principles

The TLV431ACLP is a shunt regulator that operates by comparing the reference voltage with an internal voltage divider. It adjusts the current flowing through the cathode to maintain a constant voltage at the reference pin. This ensures a stable output voltage regardless of input variations.

Application Field Plans

The TLV431ACLP is widely used in various applications, including:

  1. Voltage Regulation: Provides a stable reference voltage for analog circuits and sensors.
  2. Battery-Powered Devices: Used in portable electronics to regulate battery voltage.
  3. Switching Power Supplies: Ensures precise voltage regulation in power supply circuits.
  4. Automotive Electronics: Used in automotive systems for voltage monitoring and regulation.
  5. Industrial Control Systems: Provides accurate voltage references for control circuits.

Alternative Models

Here are some alternative models that can be considered as alternatives to TLV431ACLP:

  1. LM4040: Precision Micropower Shunt Voltage Reference
  2. LT1236: Low Dropout Precision Voltage Reference
  3. MAX6126: Ultra-High-Precision Voltage Reference
  4. REF3030: Low-Noise, Very Low Drift Precision Voltage Reference

These models offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, the TLV431ACLP is a versatile voltage reference IC with adjustable output voltage, low power consumption, and short circuit protection. Its wide range of applications and availability of alternative models make it a popular choice in the electronics industry.

技術ソリューションにおける TLV431ACLP の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of TLV431ACLP in technical solutions:

  1. Q: What is TLV431ACLP? A: TLV431ACLP is a precision adjustable shunt voltage reference that can be used as a low-power voltage regulator or voltage monitor.

  2. Q: What is the typical operating voltage range for TLV431ACLP? A: The typical operating voltage range for TLV431ACLP is from 1.24V to 16V.

  3. Q: How does TLV431ACLP work as a voltage regulator? A: TLV431ACLP compares the reference voltage with an external voltage divider network and adjusts its output to maintain a constant voltage across the load.

  4. Q: Can TLV431ACLP be used as a voltage monitor? A: Yes, TLV431ACLP can be used as a voltage monitor by connecting it in parallel with a resistor divider network and monitoring its output voltage.

  5. Q: What is the typical accuracy of TLV431ACLP? A: The typical accuracy of TLV431ACLP is ±1%.

  6. Q: What is the maximum current TLV431ACLP can sink? A: TLV431ACLP can sink a maximum current of 100mA.

  7. Q: Can TLV431ACLP operate in both positive and negative voltage applications? A: No, TLV431ACLP is designed for positive voltage applications only.

  8. Q: Is TLV431ACLP suitable for low-power applications? A: Yes, TLV431ACLP is suitable for low-power applications as it has a low quiescent current of typically 60µA.

  9. Q: Does TLV431ACLP require an external compensation capacitor? A: No, TLV431ACLP does not require an external compensation capacitor.

  10. Q: What are some common applications of TLV431ACLP? A: TLV431ACLP is commonly used in battery-powered devices, power supplies, voltage references, and voltage monitoring circuits.

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