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TLVH431BQLP
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TLVH431BQLP

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Reference
  • Characteristics: Low-voltage adjustable precision shunt regulator
  • Package: SOT-23 (Small Outline Transistor 23)
  • Essence: Precision voltage reference with adjustable output
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Reference Voltage Range: 1.24V to 6V
  • Output Current: Up to 100mA
  • Operating Temperature Range: -40°C to +85°C
  • Line Regulation: 0.2% typical
  • Load Regulation: 0.4% typical
  • Temperature Stability: 50ppm/°C typical
  • Quiescent Current: 80µA typical

Detailed Pin Configuration

The TLVH431BQLP 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. Adjust (ADJ): Used to adjust the output voltage.

Functional Features

  • Adjustable output voltage allows for precise voltage regulation.
  • Low quiescent current makes it suitable for low-power applications.
  • High accuracy and temperature stability ensure reliable performance.
  • Wide operating temperature range enables usage in various environments.
  • Short-circuit and thermal protection enhance safety.

Advantages

  • Provides a stable and accurate voltage reference.
  • Adjustable output voltage offers flexibility in different applications.
  • Low quiescent current minimizes power consumption.
  • Small package size allows for space-saving designs.
  • Cost-effective solution for voltage regulation needs.

Disadvantages

  • Limited output current capacity may not be suitable for high-power applications.
  • Requires external components for proper operation.
  • Sensitivity to input voltage fluctuations may affect performance.

Working Principles

The TLVH431BQLP is a precision shunt regulator that maintains a constant output voltage regardless of changes in the input voltage or load conditions. It operates by comparing the reference voltage (1.24V) with the feedback voltage obtained from the voltage divider connected to the ADJ pin. The internal circuitry adjusts the current flowing through the shunt resistor to maintain the desired output voltage.

Detailed Application Field Plans

The TLVH431BQLP can be used in various applications, including:

  1. Battery-powered devices: Provides stable voltage reference for efficient power management.
  2. Voltage regulators: Ensures accurate and reliable voltage regulation in electronic circuits.
  3. Sensor interfaces: Maintains precise reference voltage for accurate sensor measurements.
  4. Power supplies: Stabilizes output voltage in low-power applications.
  5. Automotive electronics: Offers voltage stability in automotive systems.

Detailed and Complete Alternative Models

  1. TL431BQDBZR: SOT-23 package, adjustable precision shunt regulator.
  2. TLV431BQDBZT: SOT-23 package, adjustable precision shunt regulator with tighter specifications.
  3. TL431ACDBVR: SOT-23 package, adjustable precision shunt regulator with higher output current capability.

(Note: This list is not exhaustive and other alternative models may exist.)

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技術ソリューションにおける TLVH431BQLP 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 TLVH431BQLP in technical solutions:

  1. Q: What is TLVH431BQLP? A: TLVH431BQLP is a precision adjustable shunt voltage reference that can be used as a voltage regulator or voltage monitor in various electronic circuits.

  2. Q: What is the operating voltage range of TLVH431BQLP? A: The TLVH431BQLP operates within a voltage range of 1.24V to 18V.

  3. Q: How accurate is TLVH431BQLP as a voltage reference? A: TLVH431BQLP has a typical accuracy of ±1% at room temperature, making it suitable for many precision applications.

  4. Q: Can TLVH431BQLP be used as an adjustable voltage regulator? A: Yes, TLVH431BQLP can be used as an adjustable voltage regulator by connecting external resistors to set the desired output voltage.

  5. Q: What is the maximum current TLVH431BQLP can handle? A: TLVH431BQLP can handle a maximum cathode current of 100mA.

  6. Q: Is TLVH431BQLP suitable for low-power applications? A: Yes, TLVH431BQLP is designed for low-power applications and has a low quiescent current of typically 60µA.

  7. Q: Can TLVH431BQLP be used in automotive applications? A: Yes, TLVH431BQLP is qualified for automotive applications and meets the AEC-Q100 standard.

  8. Q: Does TLVH431BQLP have built-in overvoltage protection? A: No, TLVH431BQLP does not have built-in overvoltage protection. External circuitry may be required to protect against overvoltage conditions.

  9. Q: Can TLVH431BQLP operate in harsh environments? A: TLVH431BQLP has a wide temperature range of -40°C to 125°C, making it suitable for operation in harsh environments.

  10. Q: What are some typical applications of TLVH431BQLP? A: TLVH431BQLP 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 specific design considerations and requirements.