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TL431ACDG4
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Reference
- Characteristics: Adjustable, Precision, Shunt Regulator
- Package: SOIC-8
- Essence: Programmable Precision Reference
- Packaging/Quantity: Tape and Reel, 2500 units 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 Range: 1mA to 100mA
Detailed Pin Configuration
The TL431ACDG4 has a standard SOIC-8 package with the following pin configuration:
| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | Anode | Reference Voltage Input | | 2 | Cathode | Reference Voltage Output | | 3 | NC | No Connection | | 4 | NC | No Connection | | 5 | NC | No Connection | | 6 | NC | No Connection | | 7 | NC | No Connection | | 8 | NC | No Connection |
Functional Features
- Adjustable reference voltage allows precise voltage regulation.
- High accuracy and stability over temperature and load variations.
- Low dynamic impedance ensures good noise immunity.
- Fast response time for transient voltage changes.
- Wide operating voltage range enables versatile applications.
Advantages and Disadvantages
Advantages
- Precise voltage regulation.
- Wide operating voltage range.
- Good noise immunity.
- Fast response time.
Disadvantages
- Limited output current capability.
- Requires external components for proper operation.
Working Principles
The TL431ACDG4 is a shunt regulator that uses a precision reference voltage to control the output voltage. It compares the reference voltage with the feedback voltage and adjusts the current flowing through the cathode to maintain a stable output voltage. By adjusting the resistive divider network connected to the Anode pin, the desired output voltage can be set.
Detailed Application Field Plans
The TL431ACDG4 is widely used in various applications, including: 1. Voltage regulators in power supplies and battery chargers. 2. Precision voltage references in instrumentation and measurement equipment. 3. Overvoltage protection circuits in automotive electronics. 4. Current limiters in LED drivers and motor control circuits. 5. Error amplifiers in feedback control systems.
Detailed and Complete Alternative Models
Some alternative models to TL431ACDG4 include: 1. LM4040: Precision Shunt Voltage Reference 2. LT1236: Micropower Precision Shunt Voltage Reference 3. REF02: Precision Voltage Reference 4. MAX6126: Ultra-High-Precision Voltage Reference 5. ADR431: Precision Shunt Voltage Reference
These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TL431ACDG4 v technických řešeních
Sure! Here are 10 common questions and answers related to the application of TL431ACDG4 in technical solutions:
Q: What is TL431ACDG4? A: TL431ACDG4 is a three-terminal adjustable precision shunt regulator that can be used in various technical applications.
Q: What is the purpose of TL431ACDG4? A: TL431ACDG4 is commonly used to provide stable voltage references, voltage regulation, and error amplification in electronic circuits.
Q: How does TL431ACDG4 work? A: TL431ACDG4 compares the reference voltage at its reference pin with an external voltage, and adjusts its output accordingly to maintain a stable voltage.
Q: What is the voltage range of TL431ACDG4? A: TL431ACDG4 operates within a voltage range of 2.5V to 36V.
Q: Can TL431ACDG4 be used as a voltage regulator? A: Yes, TL431ACDG4 can be used as a voltage regulator by connecting it in a feedback loop with an operational amplifier or transistor.
Q: What are the typical applications of TL431ACDG4? A: TL431ACDG4 is commonly used in power supplies, battery chargers, audio amplifiers, LED drivers, and other circuits requiring precise voltage regulation.
Q: How accurate is TL431ACDG4 in voltage regulation? A: TL431ACDG4 has a high level of accuracy, typically within ±1% of the desired output voltage.
Q: Can TL431ACDG4 handle high currents? A: TL431ACDG4 can handle currents up to 100mA, but for higher currents, an external transistor is typically used.
Q: Is TL431ACDG4 temperature-compensated? A: Yes, TL431ACDG4 has built-in temperature compensation to maintain its accuracy over a wide range of operating temperatures.
Q: Are there any precautions to consider when using TL431ACDG4? A: It is important to ensure proper decoupling and stability in the circuit design, and to follow the manufacturer's guidelines for thermal management and voltage ratings.
Please note that these answers are general and may vary depending on specific applications and requirements.