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TLV431BE5TA
Product Overview
- Category: Integrated Circuits
- Use: Voltage Reference
- Characteristics: Adjustable Precision Shunt Regulator
- Package: SOT-23 (Small Outline Transistor)
- Essence: TLV431BE5TA is a voltage reference IC that provides a stable output voltage, making it suitable for various applications requiring precise voltage regulation.
- Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.
Specifications
- Reference Voltage Range: 1.24V to 6V
- Output Current: Up to 100mA
- Operating Temperature Range: -40°C to +85°C
- Input Voltage Range: -0.3V to 18V
- Line Regulation: 0.2% (typical)
- Load Regulation: 0.4% (typical)
Pin Configuration
The TLV431BE5TA has three pins:
- Anode (A): Connected to the input voltage source.
- Cathode (K): Connected to the ground or reference voltage.
- Adjust (ADJ): Provides adjustable reference voltage output.
Functional Features
- Adjustable Output Voltage: The TLV431BE5TA allows users to set the desired output voltage within the specified range.
- Low Power Consumption: It operates with low quiescent current, making it suitable for battery-powered devices.
- High Accuracy: The IC provides a highly accurate reference voltage, ensuring precise regulation in various applications.
- Short Circuit Protection: TLV431BE5TA incorporates built-in short circuit protection, preventing damage to the device during fault conditions.
Advantages and Disadvantages
Advantages
- Wide operating temperature range enables usage in extreme environments.
- Small package size allows for space-efficient designs.
- Adjustable output voltage provides flexibility in different applications.
- Low power consumption extends battery life in portable devices.
Disadvantages
- Limited output current may not be suitable for high-power applications.
- Requires external components for certain configurations, increasing complexity.
Working Principles
The TLV431BE5TA operates as a shunt regulator. It compares the reference voltage at the Adjust pin with an internal voltage reference. By adjusting the resistance between the Anode and Cathode pins, the output voltage can be set to the desired value. The IC maintains a stable output voltage by regulating the current flow through the shunt resistor.
Detailed Application Field Plans
The TLV431BE5TA finds applications in various fields, including:
- Power Supplies: It is used as a voltage reference in linear power supplies to ensure stable output voltages.
- Battery Management: TLV431BE5TA is employed in battery charging circuits to regulate the charging voltage accurately.
- Audio Amplifiers: It can be utilized in audio amplifiers to provide a stable bias voltage for improved audio quality.
- Instrumentation: The IC is suitable for precision measurement instruments that require accurate voltage references.
Detailed and Complete Alternative Models
- TLV431AIDBZR: SOT-23 package, adjustable precision shunt regulator.
- TL431AQDBZR: SOT-23 package, adjustable precision shunt regulator with higher accuracy.
- TLVH431AIDBZR: SOT-23 package, adjustable precision shunt regulator with extended temperature range.
These alternative models offer similar functionality and characteristics, providing options based on specific requirements.
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10 domande e risposte comuni relative all'applicazione di TLV431BE5TA nelle soluzioni tecniche
Sure! Here are 10 common questions and answers related to the application of TLV431BE5TA in technical solutions:
Q: What is TLV431BE5TA? A: TLV431BE5TA is a precision adjustable shunt voltage reference that can be used as a replacement for Zener diodes in many applications.
Q: What is the purpose of TLV431BE5TA? A: TLV431BE5TA is primarily used to provide a stable voltage reference or to regulate voltage levels in various electronic circuits.
Q: What is the voltage range of TLV431BE5TA? A: TLV431BE5TA has an adjustable output voltage range from 1.24V to 6V.
Q: How does TLV431BE5TA work? A: TLV431BE5TA works by comparing the reference voltage with an external voltage source and adjusting its internal resistance to maintain a constant output voltage.
Q: Can TLV431BE5TA be used as a voltage regulator? A: Yes, TLV431BE5TA can be used as a voltage regulator by connecting it in parallel with the load and adjusting the reference voltage accordingly.
Q: What are the typical applications of TLV431BE5TA? A: TLV431BE5TA is commonly used in power supplies, battery chargers, audio amplifiers, and other circuits requiring precise voltage regulation.
Q: Is TLV431BE5TA suitable for low-power applications? A: Yes, TLV431BE5TA is designed for low-power applications and has a low quiescent current consumption.
Q: Does TLV431BE5TA require any external components? A: Yes, TLV431BE5TA requires an external resistor to set the desired output voltage.
Q: Can TLV431BE5TA handle high currents? A: TLV431BE5TA can handle currents up to 100mA, making it suitable for a wide range of applications.
Q: Is TLV431BE5TA available in different package options? A: Yes, TLV431BE5TA is available in various package options, including SOT-23 and SOT-89, to accommodate different circuit designs and requirements.
Please note that these answers are general and may vary depending on specific application requirements.