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TL431ACLPRE3
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TL431ACLPRE3

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Reference
  • Characteristics: Adjustable Precision Shunt Regulator
  • Package: TO-92, SOT-23, SOIC-8
  • Essence: Programmable Precision Reference
  • Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

  • Reference Voltage Range: 2.495V to 36V
  • Output Current: 1mA to 100mA
  • Temperature Range: -40°C to +85°C
  • Line Regulation: 0.2% (Typical)
  • Load Regulation: 0.4% (Typical)
  • Reference Voltage Tolerance: ±0.5%
  • Cathode Current: 1mA to 100mA

Detailed Pin Configuration

The TL431ACLPRE3 has three pins:

  1. Anode (A): Connected to the positive terminal of the voltage source.
  2. Cathode (K): Connected to the load or ground.
  3. Reference (R): Provides the regulated output voltage.

Functional Features

  • Adjustable output voltage through external resistors.
  • High precision and stability over temperature and time.
  • Low dynamic impedance.
  • Low output noise.
  • Fast response time.

Advantages and Disadvantages

Advantages: - Wide range of reference voltage options. - High accuracy and stability. - Easy to use and integrate into various circuits. - Low cost and readily available.

Disadvantages: - Limited output current capability. - Requires external resistors for voltage adjustment. - Sensitivity to temperature changes.

Working Principles

The TL431ACLPRE3 is a programmable precision shunt regulator that maintains a stable output voltage regardless of input variations. It operates by comparing the reference voltage at the Reference (R) pin with a voltage divider network connected to the Anode (A) and Cathode (K) pins. By adjusting the resistors in the voltage divider, the output voltage can be set to the desired value.

Detailed Application Field Plans

The TL431ACLPRE3 is widely used in various applications, including:

  1. Voltage regulation in power supplies.
  2. Battery charging circuits.
  3. Overvoltage protection circuits.
  4. Current limiting circuits.
  5. Temperature sensors and controllers.
  6. Audio amplifiers and preamplifiers.
  7. LED drivers.

Detailed and Complete Alternative Models

Some alternative models to TL431ACLPRE3 include:

  1. TLV431: Low-voltage adjustable precision shunt regulator.
  2. LM4040: Precision micropower shunt voltage reference.
  3. REF3030: Low-power, low-drift, precision voltage reference.
  4. LT1236: Precision reference with ultra-low drift and noise.

These alternative models offer similar functionality and can be used as substitutes based on specific requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TL431ACLPRE3 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TL431ACLPRE3 in technical solutions:

  1. Q: What is TL431ACLPRE3? A: TL431ACLPRE3 is a programmable precision voltage reference that can be used in various technical applications.

  2. Q: What is the voltage range of TL431ACLPRE3? A: The voltage range of TL431ACLPRE3 is typically from 2.5V to 36V.

  3. Q: How does TL431ACLPRE3 work? A: TL431ACLPRE3 operates by comparing an input voltage with a reference voltage and providing a regulated output voltage based on this comparison.

  4. Q: What are the typical applications of TL431ACLPRE3? A: TL431ACLPRE3 is commonly used in power supplies, battery chargers, voltage regulators, and other circuits requiring precise voltage references.

  5. Q: Can TL431ACLPRE3 be used as a shunt regulator? A: Yes, TL431ACLPRE3 can be used as a shunt regulator to regulate voltage by diverting excess current to ground.

  6. Q: What is the accuracy of TL431ACLPRE3? A: TL431ACLPRE3 has a typical accuracy of ±1% over the specified temperature range.

  7. Q: Does TL431ACLPRE3 require external components for operation? A: Yes, TL431ACLPRE3 requires external resistors and capacitors for proper operation and stability.

  8. Q: Can TL431ACLPRE3 handle high currents? A: TL431ACLPRE3 itself can only handle low currents, but it can be used to control the gate of a power transistor to handle higher currents.

  9. Q: What is the temperature range of TL431ACLPRE3? A: TL431ACLPRE3 is typically rated for operation from -40°C to 85°C.

  10. Q: Is TL431ACLPRE3 available in different package options? A: Yes, TL431ACLPRE3 is available in various package options such as TO-92, SOT-23, and SOIC-8.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications of TL431ACLPRE3.