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TL431IDBVR
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Reference
- Characteristics: Adjustable Precision Shunt Regulator
- Package: SOT-23-3
- Essence: Programmable Precision References
- Packaging/Quantity: Tape and Reel, 3000 pieces per reel
Specifications
- Reference Voltage Range: 2.495V to 36V
- Output Current: 1mA to 100mA
- Operating Temperature Range: -40°C to +85°C
- Line Regulation: 0.2% typical
- Load Regulation: 0.4% typical
- Temperature Stability: 50ppm/°C typical
- Maximum Cathode Current: 150mA
- Maximum Anode Current: 100mA
Pin Configuration
The TL431IDBVR has a SOT-23-3 package with the following pin configuration:
```
| | --| 1 |-- Anode --| 2 |-- Cathode --| 3 |-- Reference |____| ```
Functional Features
- Programmable output voltage reference
- High precision and stability
- Low dynamic impedance
- Wide operating voltage range
- Low temperature coefficient
- Fast response time
Advantages
- Easy to use and implement in various applications
- Provides stable and accurate voltage references
- Can be used as a shunt regulator or voltage reference source
- Low power consumption
- Small package size allows for space-saving designs
Disadvantages
- Limited maximum cathode and anode current ratings
- Requires external resistors for precise voltage setting
- Sensitivity to noise and fluctuations in input voltage
Working Principles
The TL431IDBVR is a three-terminal adjustable precision shunt regulator. It operates by comparing the reference voltage at the Reference pin with an external voltage divider network connected to the Anode and Cathode pins. By adjusting the resistors in the voltage divider, the output voltage can be set to the desired value.
The TL431IDBVR acts as a variable resistor between the Anode and Cathode pins, maintaining a constant voltage difference across it. This allows it to regulate the output voltage regardless of changes in input voltage or load conditions.
Detailed Application Field Plans
The TL431IDBVR is widely used in various applications, including:
- Voltage regulation in power supplies
- Battery charging circuits
- Switching power converters
- Audio amplifiers
- LED drivers
- Precision measurement equipment
- Industrial control systems
- Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that can be considered as replacements for the TL431IDBVR are:
- LM4040: Precision Micropower Shunt Voltage Reference
- LT1236: Precision Reference
- REF3030: Low-Noise, Very Low Drift Precision Voltage Reference
- MAX6126: Ultra-High-Precision, Ultra-Low-Noise Voltage Reference
- ADR4550: Precision Micropower Voltage Reference
These alternative models offer similar functionality and performance characteristics, providing options for different design requirements.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng TL431IDBVR trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of TL431IDBVR:
Q: What is TL431IDBVR? A: TL431IDBVR is a three-terminal adjustable precision shunt regulator commonly used in technical solutions.
Q: What is the purpose of TL431IDBVR? A: TL431IDBVR is used to provide a stable reference voltage or regulate the output voltage in various electronic circuits.
Q: How does TL431IDBVR work? A: TL431IDBVR 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 typical input voltage range for TL431IDBVR? A: The typical input voltage range for TL431IDBVR is between 2.5V and 36V.
Q: Can TL431IDBVR be used as a voltage reference? A: Yes, TL431IDBVR can be used as a voltage reference by connecting its cathode to the reference voltage and using its anode as the output.
Q: Is TL431IDBVR suitable for low-power applications? A: Yes, TL431IDBVR is suitable for low-power applications as it has a low quiescent current and low dropout voltage.
Q: Can TL431IDBVR be used for overvoltage protection? A: Yes, TL431IDBVR can be used for overvoltage protection by connecting it in series with a zener diode to limit the voltage across a load.
Q: What is the maximum output current of TL431IDBVR? A: The maximum output current of TL431IDBVR is typically 100mA.
Q: Can TL431IDBVR be used in switching power supplies? A: Yes, TL431IDBVR can be used in switching power supplies as a feedback element to regulate the output voltage.
Q: Are there any alternative devices to TL431IDBVR? A: Yes, some alternative devices to TL431IDBVR include LM431, TLV431, and KA431, which have similar functionality and specifications.
Please note that these answers are general and may vary depending on specific applications and circuit requirements.