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TL431ACPWE4
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Reference
- Characteristics: Adjustable, Precision, Shunt Regulator
- Package: SOT-23-3
- 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 load current
Detailed Pin Configuration
The TL431ACPWE4 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. Control (C): Connected to the feedback network for adjusting the output voltage.
Functional Features
- Programmable Output Voltage: The TL431ACPWE4 can be programmed to provide a precise output voltage within the specified range.
- High Precision: It offers excellent voltage stability and accuracy over temperature variations.
- Low Power Consumption: The device operates with low quiescent current, making it suitable for power-sensitive applications.
- Fast Response Time: The TL431ACPWE4 responds quickly to changes in the input voltage, ensuring efficient regulation.
Advantages and Disadvantages
Advantages: - Wide operating voltage range - Adjustable output voltage - High precision and accuracy - Low power consumption - Small package size
Disadvantages: - Requires an external feedback network for voltage adjustment - Limited output current capability
Working Principles
The TL431ACPWE4 is a shunt regulator that maintains a constant output voltage by controlling the current flowing through it. It compares the reference voltage at the Anode pin with the feedback voltage at the Control pin. By adjusting the current through the internal resistors, it regulates the output voltage to match the desired value.
Detailed Application Field Plans
The TL431ACPWE4 finds applications in various fields, including: 1. Power Supplies: It is commonly used as a voltage reference in linear and switching power supplies. 2. Battery Charging Systems: The TL431ACPWE4 ensures precise voltage regulation in battery charging circuits. 3. Audio Amplifiers: It provides stable biasing voltage for audio amplifier circuits, improving performance and sound quality. 4. Voltage Monitors: It can be used as a voltage comparator or monitor in electronic systems to trigger specific actions based on voltage levels.
Detailed and Complete Alternative Models
Some alternative models to the TL431ACPWE4 include: - TL431BQDBZR: SOT-23-3 package, adjustable precision shunt regulator. - TLVH431AQDBZR: SOT-23-3 package, low-voltage adjustable precision shunt regulator. - LM4040CIM3-5.0/NOPB: SOT-23-3 package, precision micropower shunt voltage reference.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng TL431ACPWE4 trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of TL431ACPWE4:
Q: What is TL431ACPWE4? A: TL431ACPWE4 is a programmable precision voltage reference integrated circuit (IC) commonly used in technical solutions.
Q: What is the purpose of TL431ACPWE4? A: TL431ACPWE4 is primarily used as a voltage reference or shunt regulator in various applications, such as power supplies, battery chargers, and voltage monitoring circuits.
Q: How does TL431ACPWE4 work? A: TL431ACPWE4 compares the input voltage with a reference voltage and adjusts its output accordingly to maintain a stable voltage level.
Q: What is the voltage range of TL431ACPWE4? A: The voltage range of TL431ACPWE4 is typically from 2.5V to 36V.
Q: Can TL431ACPWE4 be used for both positive and negative voltage regulation? A: Yes, TL431ACPWE4 can be used for both positive and negative voltage regulation by connecting it in different configurations.
Q: How accurate is TL431ACPWE4? A: TL431ACPWE4 has a high accuracy with a typical tolerance of ±1%.
Q: Can TL431ACPWE4 handle high currents? A: TL431ACPWE4 is designed to handle low to moderate currents, typically up to 100mA. For higher currents, an external transistor can be used.
Q: Is TL431ACPWE4 temperature-compensated? A: Yes, TL431ACPWE4 is temperature-compensated, which ensures stable performance over a wide temperature range.
Q: Can TL431ACPWE4 be used in automotive applications? A: Yes, TL431ACPWE4 is suitable for automotive applications as it meets the necessary standards and has a wide operating temperature range.
Q: Are there any application notes or reference designs available for TL431ACPWE4? A: Yes, the manufacturer provides application notes and reference designs that can help in implementing TL431ACPWE4 in various technical solutions.
Please note that these answers are general and may vary depending on specific use cases and requirements.