ON Semiconductor
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TL431BVLPG
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TL431BVLPG

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Reference
  • Characteristics: Adjustable, Precision, Shunt Regulator
  • Package: SOT-23
  • Essence: Programmable Precision Reference
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Reference Voltage Range: 2.495V to 36V
  • Output Current: 1mA 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)

Detailed Pin Configuration

The TL431BVLPG is a three-terminal device with the following pin configuration:

  1. Anode (A): Connected to the reference voltage input.
  2. Cathode (K): Connected to the ground or negative supply.
  3. Adjust (ADJ): Output terminal for the regulated voltage.

Functional Features

  • Programmable output voltage reference.
  • High precision and stability.
  • Low dynamic impedance.
  • Wide operating voltage range.
  • Low power consumption.
  • Fast response time.

Advantages and Disadvantages

Advantages: - Highly accurate voltage reference. - Easy to use and integrate into various circuits. - Wide range of applications. - Low cost and readily available.

Disadvantages: - Requires external components for proper operation. - Limited output current capability. - Sensitivity to temperature changes.

Working Principles

The TL431BVLPG is a shunt regulator that maintains a constant voltage across the ADJ and K terminals. It compares the reference voltage at the ADJ terminal with an internal voltage reference and adjusts the current flowing through the device to maintain a stable output voltage. By connecting external resistors, the TL431BVLPG can be programmed to provide a precise and adjustable reference voltage.

Detailed Application Field Plans

The TL431BVLPG is widely used in various applications, including:

  1. Voltage regulation in power supplies.
  2. Battery charging circuits.
  3. Precision measurement instruments.
  4. Audio amplifiers and preamplifiers.
  5. LED drivers and backlighting systems.
  6. Overvoltage protection circuits.
  7. Switch-mode power supplies.
  8. Industrial control systems.

Detailed and Complete Alternative Models

  • TL431ACLP
  • TL431BCP
  • TL431IDBZR
  • TL431AIDBZR
  • TL431BQDBZR
  • TL431AQDBZR
  • TL431BILPR
  • TL431AILPR

These alternative models offer similar functionality and performance characteristics to the TL431BVLPG, providing flexibility for different design requirements.

In conclusion, the TL431BVLPG is a versatile and reliable voltage reference integrated circuit. Its programmable precision and stability make it suitable for a wide range of applications. While it has certain limitations, such as the need for external components and limited output current capability, its advantages outweigh these drawbacks. With its wide availability and cost-effectiveness, the TL431BVLPG is a popular choice among engineers and designers in various industries.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TL431BVLPG v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TL431BVLPG in technical solutions:

  1. Q: What is TL431BVLPG? A: TL431BVLPG is a programmable precision voltage reference that can be used in various technical applications.

  2. Q: What is the operating voltage range of TL431BVLPG? A: The operating voltage range of TL431BVLPG is typically between 2.5V and 36V.

  3. Q: How does TL431BVLPG work? A: TL431BVLPG operates by comparing an input voltage with a reference voltage and adjusting its output accordingly.

  4. Q: What are the typical applications of TL431BVLPG? A: TL431BVLPG is commonly used in power supplies, battery chargers, voltage regulators, and other control circuits.

  5. Q: Can TL431BVLPG be used as a shunt regulator? A: Yes, TL431BVLPG can be used as a shunt regulator to regulate voltage by diverting excess current to ground.

  6. Q: What is the maximum current TL431BVLPG can handle? A: TL431BVLPG can handle a maximum cathode current of 100mA.

  7. Q: How accurate is TL431BVLPG in voltage regulation? A: TL431BVLPG has a typical voltage accuracy of ±1% over the specified temperature range.

  8. Q: Can TL431BVLPG be used in high-temperature environments? A: Yes, TL431BVLPG is designed to operate in a wide temperature range, typically from -40°C to +125°C.

  9. Q: Does TL431BVLPG require external components for operation? A: Yes, TL431BVLPG requires external resistors and capacitors to set the desired voltage reference and stability.

  10. Q: Is TL431BVLPG available in different package options? A: Yes, TL431BVLPG is available in various package options, including SOT-23, SOT-89, and TO-92.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements of TL431BVLPG.