TLV431AQPK

Product Overview

Category: Integrated Circuits
Use: Voltage Reference
Characteristics: Low-voltage adjustable precision shunt regulator
Package: SOT-23 (3-pin)
Essence: Precision voltage reference with adjustable output
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

Reference Voltage Range: 1.24V to 6V
Output Current Range: 1mA to 100mA
Operating Temperature Range: -40°C to +85°C
Input Voltage Range: 2.5V to 16V
Line Regulation: 0.2% (typical)
Load Regulation: 0.4% (typical)

Detailed Pin Configuration

The TLV431AQPK is a 3-pin device with the following pin configuration:

Anode: Connected to the input voltage source.
Cathode: Output terminal of the voltage reference.
Adjust: Adjusts the output voltage.

Functional Features

Adjustable output voltage allows for precise voltage regulation.
Low operating current consumption.
High accuracy and stability over temperature and load variations.
Fast response time to changes in input voltage.

Advantages and Disadvantages

Advantages: - Wide range of adjustable output voltages. - Excellent line and load regulation. - Small package size for space-constrained applications. - Low power consumption.

Disadvantages: - Limited maximum output current. - Requires external resistors for voltage adjustment.

Working Principles

The TLV431AQPK is a precision shunt regulator that maintains a stable output voltage regardless of changes in input voltage or load conditions. It operates by comparing the reference voltage at the cathode with the voltage at the adjust pin. By adjusting the voltage at the adjust pin, the output voltage can be precisely set within the specified range.

Detailed Application Field Plans

The TLV431AQPK is commonly used in various applications, including:

Voltage regulation in power supplies and battery chargers.
Precision current limiting circuits.
Voltage monitoring and protection circuits.
Voltage reference for analog-to-digital converters (ADCs).
Temperature sensors and control systems.

Detailed and Complete Alternative Models

TLV431BQDBZR: SOT-23 (5-pin) package, adjustable precision shunt regulator.
TL431ACLPR: TO-92 (3-pin) package, adjustable precision shunt regulator.
TLVH431AIDBZR: SOT-23 (3-pin) package, adjustable precision shunt regulator with enhanced accuracy.

These alternative models offer similar functionality and performance to the TLV431AQPK, providing options for different package sizes and additional features.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TLV431AQPK v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TLV431AQPK in technical solutions:

Q: What is TLV431AQPK? A: TLV431AQPK 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 TLV431AQPK? A: TLV431AQPK 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 TLV431AQPK? A: The TLV431AQPK has an adjustable output voltage range from 1.24V to 18V.
Q: How does TLV431AQPK work? A: TLV431AQPK works by comparing the reference voltage with an input voltage and adjusting its internal resistance to maintain a constant output voltage.
Q: Can TLV431AQPK be used as a voltage regulator? A: Yes, TLV431AQPK 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 TLV431AQPK? A: TLV431AQPK is commonly used in power supplies, battery chargers, audio amplifiers, and other circuits requiring precise voltage regulation.
Q: Is TLV431AQPK suitable for low-power applications? A: Yes, TLV431AQPK is designed for low-power applications and has a low quiescent current consumption.
Q: Can TLV431AQPK handle high currents? A: TLV431AQPK can handle moderate currents up to a few milliamperes. For higher currents, an external transistor can be used.
Q: How accurate is TLV431AQPK in voltage regulation? A: TLV431AQPK has a high accuracy with low output voltage tolerance and excellent temperature stability.
Q: Are there any precautions to consider when using TLV431AQPK? A: Yes, it is important to ensure proper decoupling and thermal management to prevent instability or overheating of the TLV431AQPK.