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TL431ACDBVTE4
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: 1mA to 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 TL431ACDBVTE4 has a total of five pins: 1. Anode (A): Connected to the reference voltage input. 2. Cathode (K): Connected to the ground or negative supply voltage. 3. Control (C): Provides the feedback control for the reference voltage. 4. NC (No Connection): This pin is not internally connected and is left unconnected. 5. Reference (R): Outputs the reference voltage.
Functional Features
- Adjustable Output: The reference voltage can be adjusted using external resistors.
- Precision: Offers high precision voltage reference with low temperature coefficient.
- Shunt Regulator: Acts as a shunt regulator to maintain a stable output voltage.
- Programmable: Allows programming of the reference voltage using external components.
Advantages and Disadvantages
Advantages: - Wide range of reference voltage options. - High precision and stability. - Low temperature coefficient. - Small package size. - Easy to use and integrate into various applications.
Disadvantages: - Requires external components for programming. - Limited output current capability. - Dropout voltage may affect certain low voltage applications.
Working Principles
The TL431ACDBVTE4 is a three-terminal adjustable shunt regulator. It operates by comparing the reference voltage at the Control pin with an internal voltage reference. By adjusting the resistance connected to the Control pin, the output voltage can be set to a desired value. The TL431ACDBVTE4 acts as a variable resistor between the Anode and Cathode pins to regulate the output voltage.
Detailed Application Field Plans
The TL431ACDBVTE4 finds applications in various fields, including: 1. Power Supplies: Used for voltage regulation in power supply circuits. 2. Battery Chargers: Ensures precise charging voltage for batteries. 3. Audio Amplifiers: Provides stable biasing voltage for audio amplifiers. 4. Voltage Monitors: Used as a voltage reference in monitoring circuits. 5. Industrial Control Systems: Maintains stable voltage levels in control systems.
Detailed and Complete Alternative Models
Some alternative models to TL431ACDBVTE4 include: 1. LM4040: Precision Micropower Shunt Voltage Reference. 2. LT1009: Precision Reference with Adjustable Output. 3. REF3030: Low Dropout Voltage Reference. 4. MAX6126: Ultra-High-Precision Voltage Reference. 5. ADR4550: Precision Micropower Voltage Reference.
(Note: This list is not exhaustive and there are several other alternative models available in the market.)
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng TL431ACDBVTE4 trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of TL431ACDBVTE4 in technical solutions:
Q: What is TL431ACDBVTE4? A: TL431ACDBVTE4 is a programmable precision voltage reference that can be used in various applications as a voltage regulator or comparator.
Q: What is the voltage range of TL431ACDBVTE4? A: The voltage range of TL431ACDBVTE4 is typically from 2.5V to 36V.
Q: How does TL431ACDBVTE4 work as a voltage regulator? A: TL431ACDBVTE4 compares the reference voltage with an external voltage divider network and adjusts its output accordingly to maintain a stable regulated voltage.
Q: Can TL431ACDBVTE4 be used as a shunt regulator? A: Yes, TL431ACDBVTE4 can be used as a shunt regulator by connecting it between the load and ground.
Q: What is the typical accuracy of TL431ACDBVTE4? A: The typical accuracy of TL431ACDBVTE4 is ±1%.
Q: Is TL431ACDBVTE4 suitable for high-frequency applications? A: Yes, TL431ACDBVTE4 can be used in high-frequency applications due to its fast response time.
Q: Can TL431ACDBVTE4 be used in automotive applications? A: Yes, TL431ACDBVTE4 is qualified for automotive applications and meets the necessary standards.
Q: Does TL431ACDBVTE4 have built-in protection features? A: Yes, TL431ACDBVTE4 has built-in features like overcurrent protection and thermal shutdown to ensure safe operation.
Q: Can TL431ACDBVTE4 be used in battery charging circuits? A: Yes, TL431ACDBVTE4 can be used in battery charging circuits to regulate the charging voltage.
Q: Are there any application notes or reference designs available for TL431ACDBVTE4? A: Yes, Texas Instruments provides application notes and reference designs that showcase various applications of TL431ACDBVTE4.
Please note that these answers are general and may vary depending on specific use cases and requirements.