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TL431ACDBVR
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Reference
- Characteristics: Adjustable, Precision, Shunt Regulator
- Package: SOT-23-5
- Essence: Programmable Precision Reference
- Packaging/Quantity: Tape and Reel, 3000 pieces per reel
Specifications
- Reference Voltage Range: 2.495V to 36V
- Output Current: 100mA
- Temperature Coefficient: ±50ppm/°C
- Operating Temperature Range: -40°C to +85°C
- Line Regulation: 0.2% typical
- Load Regulation: 0.4% typical
- Dropout Voltage: 1.5V typical at 10mA
Detailed Pin Configuration
The TL431ACDBVR has a SOT-23-5 package with the following pin configuration:
```
| | --| 1 |-- Anode --| 2 |-- Cathode --| 3 |-- NC (No Connection) --| 4 |-- Reference --| 5 |-- NC (No Connection) |____| ```
Functional Features
- Programmable output voltage reference
- High precision and stability
- Low dynamic impedance
- Wide operating voltage range
- Low temperature coefficient
- Fast response time
Advantages and Disadvantages
Advantages: - Adjustable output voltage - High accuracy and stability - Low power consumption - Small package size - Cost-effective solution
Disadvantages: - Limited output current capability - Requires external components for proper operation - Sensitivity to input voltage fluctuations
Working Principles
The TL431ACDBVR is a shunt regulator that maintains a constant voltage across its reference terminals. It compares the reference voltage with an external voltage divider network and adjusts the current flowing through its internal transistor to maintain a stable output voltage. By changing the resistors in the voltage divider, the TL431ACDBVR can be programmed to provide different output voltages.
Detailed Application Field Plans
The TL431ACDBVR is widely used in various applications, including: 1. Voltage regulation in power supplies 2. Battery charging circuits 3. Precision measurement equipment 4. Audio amplifiers and preamplifiers 5. LED lighting systems 6. Industrial control systems 7. Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to the TL431ACDBVR are: - LM4040 - LT1009 - REF3030 - MAX6126
These models offer similar functionality and performance characteristics, providing options for different design requirements.
In conclusion, the TL431ACDBVR is a versatile voltage reference IC with adjustable output voltage, high precision, and stability. It finds applications in various fields due to its programmability and compact package size. However, it has limitations in terms of output current capability and sensitivity to input voltage fluctuations. Designers can consider alternative models based on their specific needs.
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TL431ACDBVR v technických řešeních
Sure! Here are 10 common questions and answers related to the application of TL431ACDBVR:
Q: What is TL431ACDBVR? A: TL431ACDBVR is a three-terminal adjustable precision shunt regulator commonly used in technical solutions.
Q: What is the purpose of TL431ACDBVR? A: TL431ACDBVR is used to provide a stable reference voltage or regulate the output voltage in various electronic circuits.
Q: How does TL431ACDBVR work? A: TL431ACDBVR compares the reference voltage with an external voltage divider network and adjusts its internal resistance to maintain a constant output voltage.
Q: What is the voltage range of TL431ACDBVR? A: The voltage range of TL431ACDBVR is typically from 2.5V to 36V.
Q: Can TL431ACDBVR be used as a voltage regulator? A: Yes, TL431ACDBVR can be used as a voltage regulator by connecting it in series with a resistor and a capacitor.
Q: What are the typical applications of TL431ACDBVR? A: TL431ACDBVR is commonly used in power supplies, battery chargers, audio amplifiers, and voltage references.
Q: How accurate is TL431ACDBVR? A: TL431ACDBVR has a high level of accuracy, typically within ±1% of the desired output voltage.
Q: Can TL431ACDBVR handle high currents? A: No, TL431ACDBVR is not designed to handle high currents directly. It is usually used in conjunction with external transistors to handle higher loads.
Q: Is TL431ACDBVR suitable for automotive applications? A: Yes, TL431ACDBVR is commonly used in automotive applications due to its stability and reliability.
Q: Are there any precautions to consider when using TL431ACDBVR? A: Yes, it is important to ensure proper heat dissipation, avoid exceeding the maximum ratings, and follow the manufacturer's guidelines for optimal performance and reliability.