LX1721CDB Product Overview

Introduction

The LX1721CDB is a versatile integrated circuit that belongs to the category of voltage regulators. This device is designed to provide stable and regulated power supply for various electronic applications. In this entry, we will delve into the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the LX1721CDB.

Basic Information Overview

• Category: Voltage Regulator
• Use: Provides stable and regulated power supply
• Characteristics: High efficiency, low output noise, compact design
• Package: DIP-8, SOIC-8
• Essence: Regulating voltage for electronic devices
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Output Current: Up to 1.5A
• Dropout Voltage: 1.5V at 1A
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: 0.02% typical
• Load Regulation: 0.2% typical

Detailed Pin Configuration

The LX1721CDB has a standard 8-pin configuration with the following pinout: 1. VIN (Input Voltage) 2. GND (Ground) 3. VOUT (Output Voltage) 4. NC (No Connection) 5. NC (No Connection) 6. NC (No Connection) 7. NC (No Connection) 8. NC (No Connection)

Functional Features

• Internal Thermal Shutdown
• Short Circuit Protection
• Adjustable Output Voltage
• Low Quiescent Current

Advantages and Disadvantages

Advantages

• High efficiency
• Wide input voltage range
• Compact design
• Adjustable output voltage

Disadvantages

• Limited maximum output current
• Dropout voltage may affect performance in low input voltage scenarios

Working Principles

The LX1721CDB operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a stable output. It utilizes feedback control to regulate the output voltage, ensuring consistent and reliable power supply to connected devices.

Detailed Application Field Plans

The LX1721CDB finds extensive use in various applications including: - Battery-powered devices - Industrial automation systems - Automotive electronics - Portable consumer electronics

Detailed and Complete Alternative Models

For those seeking alternatives to the LX1721CDB, several comparable models are available in the market, such as: - LM317 - LM1117 - LT1086

In conclusion, the LX1721CDB is a highly efficient voltage regulator with a wide range of applications. Its compact design and adjustable output voltage make it a popular choice for diverse electronic systems.

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