TL431ACCT
Product Overview
- Category: Integrated Circuit
- Use: Voltage Reference
- Characteristics: Adjustable Precision Shunt Regulator
- Package: TO-92, SOT-23, SOIC-8
- Essence: Programmable Precision Reference
- Packaging/Quantity: Tape & Reel, 2500 units per reel
Specifications
- Reference Voltage Range: 2.495V to 36V
- Output Current: 1mA to 100mA
- Temperature Range: -40°C to +85°C
- Line Regulation: 0.2% (Typical)
- Load Regulation: 0.4% (Typical)
- Reference Voltage Tolerance: ±0.5%
- Cathode Current: 1mA to 100mA
Pin Configuration
The TL431ACCT has three pins:
- Anode (A): Connected to the positive terminal of the power supply.
- Cathode (K): Connected to the load or ground.
- Reference (R): Provides the regulated output voltage.
Functional Features
- Programmable output voltage reference.
- High precision and stability.
- Low dynamic impedance.
- Wide operating temperature range.
- Low power consumption.
- Fast response time.
Advantages and Disadvantages
Advantages
- Easy to use and implement in various applications.
- Provides a stable and accurate voltage reference.
- Can be used as a shunt regulator or voltage reference source.
- Offers adjustable output voltage.
- Low cost and widely available.
Disadvantages
- Limited output current capability.
- Requires external components for proper operation.
- Sensitivity to noise and fluctuations in input voltage.
Working Principles
The TL431ACCT is a programmable precision shunt regulator that operates by comparing the reference voltage at the Reference (R) pin with an external voltage divider network. It adjusts the cathode current to maintain a stable output voltage. By changing the resistors in the voltage divider, the desired output voltage can be set.
Detailed Application Field Plans
The TL431ACCT is widely used in various applications, including:
- Voltage regulation in power supplies.
- Battery charging circuits.
- Switching power supplies.
- Audio amplifiers.
- Voltage monitoring and protection circuits.
- Precision measurement equipment.
- LED drivers.
- Industrial control systems.
Detailed and Complete Alternative Models
- TL431ACLPR
- TL431AIDBZR
- TL431AIDCKR
- TL431AIDGKR
- TL431AIDMR
- TL431AIDR
- TL431AIDT
- TL431AIDZT
- TL431AIDBVT
- TL431AIDBZTG4
- TL431AIDCKTG4
- TL431AIDGKTG4
- TL431AIDMTG4
- TL431AIDTG4
- TL431AIDZTG4
These alternative models offer similar functionality and specifications as the TL431ACCT, providing flexibility for different design requirements.
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แสดงรายการคำถามและคำตอบทั่วไป 10 ข้อที่เกี่ยวข้องกับการใช้ TL431ACCT ในโซลูชันทางเทคนิค
Sure! Here are 10 common questions and answers related to the application of TL431ACCT in technical solutions:
Q: What is TL431ACCT? A: TL431ACCT is a programmable precision voltage reference integrated circuit commonly used in various technical applications.
Q: What is the purpose of TL431ACCT? A: TL431ACCT is primarily used as a voltage reference or shunt regulator to provide stable and accurate voltage levels in electronic circuits.
Q: How does TL431ACCT work? A: TL431ACCT compares the input voltage with an internal reference voltage and adjusts its output accordingly, acting as a feedback control element.
Q: What are the typical applications of TL431ACCT? A: TL431ACCT is widely used in power supplies, battery chargers, voltage regulators, audio amplifiers, and other circuits requiring precise voltage control.
Q: What is the voltage range of TL431ACCT? A: TL431ACCT can operate within a wide voltage range, typically from 2.5V to 36V.
Q: How accurate is TL431ACCT in voltage regulation? A: TL431ACCT has a high level of accuracy, typically within ±1% of the desired output voltage.
Q: Can TL431ACCT handle high currents? A: TL431ACCT itself can only handle low currents, but it can be used in conjunction with external transistors to handle higher current loads.
Q: How do I set the desired output voltage using TL431ACCT? A: The output voltage of TL431ACCT can be programmed by connecting external resistors to the reference pin according to the desired voltage level.
Q: Can TL431ACCT be used in both positive and negative voltage applications? A: Yes, TL431ACCT can be used in both positive and negative voltage applications by appropriately connecting the reference pin.
Q: Are there any precautions to consider when using TL431ACCT? A: Yes, some precautions include ensuring proper heat dissipation, avoiding excessive input voltage, and providing adequate decoupling capacitors for stability.
Please note that these answers are general and may vary depending on specific circuit designs and applications.