TL431IDBVT

Product Overview

Category: Integrated Circuit
Use: Voltage Reference
Characteristics: Adjustable Precision Shunt Regulator
Package: SOT-23 (DBV)
Essence: Programmable Precision Reference
Packaging/Quantity: Tape and Reel, 3000 pieces 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
Anode Current: 10µA to 150µA
Dynamic Impedance: 0.22Ω typical

Pin Configuration

The TL431IDBVT is a three-terminal device with the following pin configuration:

Anode (A): Connected to the reference voltage input.
Cathode (K): Connected to the ground or negative supply.
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

Adjustable reference voltage.
High accuracy and stability.
Low cost.
Small package size.
Easy to use and integrate into circuits.
Suitable for a wide range of applications.

Disadvantages

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

Working Principles

The TL431IDBVT is a precision shunt regulator that operates by comparing the reference voltage at the cathode with an external voltage divider network. It adjusts the current flowing through the cathode to maintain a stable output voltage. By changing the resistors in the voltage divider, the output voltage can be adjusted within the specified range.

Detailed Application Field Plans

The TL431IDBVT is widely used in various applications, including:

Voltage regulation in power supplies and battery chargers.
Precision voltage references in instrumentation and measurement equipment.
Current limiting and protection circuits.
Voltage monitoring and feedback control systems.
Error amplifiers in feedback loops of switching regulators.

Detailed and Complete Alternative Models

TL431ACDBZR: SOT-23 package, adjustable precision shunt regulator.
TLV431BQDBVR: SOT-23 package, low-voltage adjustable precision shunt regulator.
LM4040CIM3-2.5/NOPB: SOT-23 package, precision micropower shunt voltage reference.

These alternative models offer similar functionality and can be used as substitutes for the TL431IDBVT in various applications.

In conclusion, the TL431IDBVT is a versatile integrated circuit that serves as an adjustable precision shunt regulator. Its high accuracy, stability, and programmable features make it suitable for a wide range of applications in voltage regulation, measurement, and control systems.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan TL431IDBVT dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of TL431IDBVT:

Q: What is TL431IDBVT? A: TL431IDBVT is a three-terminal adjustable precision shunt regulator commonly used in technical solutions.
Q: What is the purpose of TL431IDBVT? A: TL431IDBVT is used to provide a stable voltage reference or regulate voltage levels in various electronic circuits.
Q: What is the voltage range of TL431IDBVT? A: The voltage range of TL431IDBVT is typically from 2.5V to 36V.
Q: How does TL431IDBVT work? A: TL431IDBVT compares the reference voltage with an external voltage divider network and adjusts its output accordingly to maintain a stable voltage.
Q: Can TL431IDBVT be used as a current regulator? A: Yes, TL431IDBVT can be used as a current regulator by connecting it in series with a resistor and controlling the current flow.
Q: What are the typical applications of TL431IDBVT? A: TL431IDBVT is commonly used in power supplies, battery chargers, voltage regulators, and feedback control circuits.
Q: Is TL431IDBVT suitable for high-frequency applications? A: TL431IDBVT can be used in high-frequency applications, but additional precautions may be required to minimize noise and stability issues.
Q: Can TL431IDBVT handle high currents? A: TL431IDBVT has a maximum output current rating of around 100mA, so it is not suitable for high-current applications.
Q: How accurate is TL431IDBVT in voltage regulation? A: TL431IDBVT has a typical accuracy of ±1% in voltage regulation, making it suitable for most precision applications.
Q: Are there any alternative devices to TL431IDBVT? A: Yes, some alternative devices to TL431IDBVT include LM317, LM336, and LM4040, which offer similar functionality with slight variations.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.