TL431CPKG3
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Reference
- Characteristics: Adjustable, Precision, Shunt Regulator
- Package: TO-92 (Through-Hole)
- Essence: Programmable Precision Reference
- Packaging/Quantity: Bulk packaging, typically sold in reels of 2,500 units
Specifications
- Reference Voltage Range: 2.495V to 36V
- Output Current: Up to 100mA
- Temperature Range: -40°C to +85°C
- Initial Accuracy: ±1%
- Line Regulation: 0.2% typical
- Load Regulation: 0.4% typical
- Cathode Current: 1mA to 100mA
Detailed Pin Configuration
The TL431CPKG3 has three pins: 1. Anode (A): Connected to the positive supply voltage. 2. Cathode (K): Connected to the load or ground. 3. Reference (R): Provides the regulated output voltage.
Functional Features
- Programmable Output Voltage: The TL431CPKG3 can be programmed to provide a precise output voltage using external resistors.
- Adjustable Output: The reference voltage can be adjusted within the specified range to meet specific requirements.
- Low Power Consumption: The device operates with low quiescent current, making it suitable for battery-powered applications.
- High Accuracy: The initial accuracy of ±1% ensures precise voltage regulation.
- Fast Response Time: The TL431CPKG3 responds quickly to changes in input voltage or load conditions.
Advantages and Disadvantages
Advantages: - Wide operating voltage range - Simple circuit implementation - Low cost - High precision
Disadvantages: - Limited output current capability - Requires external components for proper operation
Working Principles
The TL431CPKG3 is a shunt regulator that maintains a constant voltage across the load by controlling the current flowing through it. It compares the reference voltage at the Reference (R) pin with the voltage at the Cathode (K) pin and adjusts the current accordingly. By adjusting the resistors connected to the Anode (A) and Cathode (K) pins, the desired output voltage can be set.
Detailed Application Field Plans
The TL431CPKG3 is widely used in various applications, including: 1. Voltage Regulation: It is commonly used as a precision voltage reference in power supplies, battery chargers, and voltage regulators. 2. Switching Power Supplies: The TL431CPKG3 helps stabilize the output voltage of switching power supplies, ensuring reliable operation. 3. Battery Management Systems: It is utilized in battery management circuits to monitor and regulate battery voltage levels. 4. Audio Amplifiers: The TL431CPKG3 can be employed in audio amplifiers to provide stable bias voltages for improved performance.
Detailed and Complete Alternative Models
Some alternative models to TL431CPKG3 include: - TL431ACLP: Low-power version with reduced quiescent current. - TLVH431: Higher accuracy version with lower initial tolerance. - LM4040: Precision shunt voltage reference with fixed output voltage options.
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Orodhesha maswali na majibu 10 ya kawaida yanayohusiana na utumiaji wa TL431CPKG3 katika suluhu za kiufundi
Sure! Here are 10 common questions and answers related to the application of TL431CPKG3 in technical solutions:
Q: What is TL431CPKG3? A: TL431CPKG3 is a three-terminal adjustable precision shunt regulator commonly used in various technical applications.
Q: What is the purpose of TL431CPKG3? A: TL431CPKG3 is used to provide accurate voltage references, voltage regulation, and feedback control in electronic circuits.
Q: How does TL431CPKG3 work? A: TL431CPKG3 compares the reference voltage with an external voltage divider network and adjusts its output to maintain a stable voltage.
Q: What is the voltage range of TL431CPKG3? A: TL431CPKG3 can operate within a voltage range of 2.5V to 36V.
Q: Can TL431CPKG3 be used as a voltage regulator? A: Yes, TL431CPKG3 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 TL431CPKG3? A: TL431CPKG3 is commonly used in power supplies, battery chargers, LED drivers, audio amplifiers, and other voltage regulation circuits.
Q: How accurate is TL431CPKG3 in voltage regulation? A: TL431CPKG3 has a high accuracy of ±1% over temperature and voltage variations.
Q: Can TL431CPKG3 handle high currents? A: TL431CPKG3 can handle currents up to 100mA, but for higher currents, an external transistor should be used.
Q: Is TL431CPKG3 suitable for automotive applications? A: Yes, TL431CPKG3 is suitable for automotive applications as it can operate within a wide temperature range and withstand voltage transients.
Q: Are there any precautions to consider when using TL431CPKG3? A: Yes, some precautions include avoiding excessive heat, ensuring proper grounding, and providing adequate decoupling capacitors for stability.
Please note that these answers are general and may vary depending on the specific application and circuit design.