TL431BCPWE4

Product Overview

Category: Integrated Circuit
Use: Voltage Reference
Characteristics: Adjustable Precision Shunt Regulator
Package: SOT-23, 8-pin
Essence: TL431BCPWE4 is a voltage reference integrated circuit that provides a stable reference voltage for various applications.
Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

Reference Voltage Range: 2.495V to 36V
Operating Temperature Range: -40°C to +85°C
Output Current: Up to 100mA
Reference Voltage Tolerance: ±1%
Cathode Current: 1mA to 100mA
Anode Current: 1mA to 150mA
Dynamic Output Impedance: 0.22Ω

Pin Configuration

The TL431BCPWE4 has the following pin configuration:

Anode
Cathode
Reference
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)

Functional Features

Provides a precise reference voltage for regulating circuits.
Adjustable output voltage through external resistors.
Low dynamic output impedance ensures stability.
High accuracy and temperature stability.
Low power consumption.
Fast response time.

Advantages

Wide operating voltage range.
Easy to use and integrate into various circuits.
Small package size allows for space-saving designs.
Excellent line and load regulation.
High reliability and long lifespan.

Disadvantages

Limited output current capability.
Requires external components for proper operation.
Sensitivity to noise and fluctuations in input voltage.

Working Principles

The TL431BCPWE4 is a three-terminal adjustable shunt regulator. It operates by comparing the reference voltage at the cathode with an external voltage divider network connected to the anode. By adjusting the resistors in the voltage divider, the output voltage can be set to the desired value. The TL431BCPWE4 then regulates the current flowing through the cathode to maintain a stable output voltage.

Detailed Application Field Plans

The TL431BCPWE4 finds applications in various fields, including:

Power Supply Regulation: Used as a voltage reference for regulating power supply voltages in electronic devices.
Battery Charging: Ensures precise charging voltage for batteries, preventing overcharging or undercharging.
Audio Amplifiers: Provides stable biasing voltage for audio amplifier circuits, improving performance and sound quality.
Voltage Monitoring: Used in voltage monitoring circuits to trigger alarms or shutdown systems when voltage exceeds or falls below a certain threshold.
LED Lighting: Regulates the current flowing through LEDs, ensuring consistent brightness and extending their lifespan.

Detailed and Complete Alternative Models

TL431ACP
TL431BQDBZR
TL431IDBVR
TL431AIDBZR
TL431ACDR
TL431BIDBZT
TL431AQDBZR
TL431BIDBZR
TL431ACDBZR
TL431BQDBZT

These alternative models offer similar functionality and can be used as substitutes for the TL431BCPWE4 in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TL431BCPWE4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TL431BCPWE4 in technical solutions:

Q: What is TL431BCPWE4? A: TL431BCPWE4 is a three-terminal adjustable precision shunt regulator that can be used in various technical applications.
Q: What is the purpose of TL431BCPWE4? A: TL431BCPWE4 is commonly used to provide voltage regulation, voltage reference, and error correction in electronic circuits.
Q: How does TL431BCPWE4 work? A: TL431BCPWE4 compares the reference voltage with an external voltage divider network and adjusts its output to maintain a constant voltage.
Q: What is the voltage range of TL431BCPWE4? A: The voltage range of TL431BCPWE4 is typically from 2.5V to 36V.
Q: Can TL431BCPWE4 handle high currents? A: No, TL431BCPWE4 is designed for low to moderate current applications. For high current requirements, an external transistor should be used.
Q: How accurate is TL431BCPWE4 in voltage regulation? A: TL431BCPWE4 has a typical accuracy of ±1% in voltage regulation.
Q: Can TL431BCPWE4 be used in both linear and switching power supplies? A: Yes, TL431BCPWE4 can be used in both linear and switching power supply designs.
Q: Is TL431BCPWE4 suitable for battery charging applications? A: Yes, TL431BCPWE4 can be used in battery charging circuits to regulate the charging voltage.
Q: Can TL431BCPWE4 be used in automotive applications? A: Yes, TL431BCPWE4 is commonly used in automotive electronics for voltage regulation and error correction.
Q: Are there any specific precautions to consider when using TL431BCPWE4? A: It is important to ensure proper heat dissipation, avoid exceeding the maximum ratings, and follow the manufacturer's guidelines for stability and reliability.

Please note that these answers are general and may vary depending on the specific application and requirements.