VLZ4V3B-GS18 Product Overview

Introduction

The VLZ4V3B-GS18 is a crucial component in the field of electronic devices, offering a wide range of applications and features. This entry will provide an in-depth understanding of the product, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact design
• Package: TO-252-3
• Essence: Regulates voltage to ensure stable power supply
• Packaging/Quantity: Typically packaged in reels of 2500 units

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage: 3.3V
• Maximum Output Current: 400mA
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. Input (VIN): Connects to the input voltage source
2. Ground (GND): Connected to the ground reference
3. Output (VOUT): Provides the regulated output voltage

Functional Features

• Voltage Regulation: Maintains a stable output voltage despite fluctuations in the input voltage
• Low Dropout: Operates with minimal dropout voltage, ensuring efficient power conversion
• Thermal Shutdown: Protects the device from overheating by shutting down when the temperature exceeds safe limits
• Reverse Polarity Protection: Safeguards the device from damage due to reverse polarity connection

Advantages and Disadvantages

Advantages

• Compact size enables integration into space-constrained designs
• Low dropout voltage ensures efficient power utilization
• Wide input voltage range allows for versatile applications

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Higher quiescent current compared to some alternative models

Working Principles

The VLZ4V3B-GS18 operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a constant output voltage. This regulation process ensures that the connected load receives a stable and reliable power supply.

Detailed Application Field Plans

The VLZ4V3B-GS18 finds extensive use in various electronic devices, including: - Battery-powered devices - Portable consumer electronics - IoT devices - Automotive electronics

Detailed and Complete Alternative Models

• VLZ4V3B-GS08: Similar specifications with a lower dropout voltage
• VLZ4V3B-GS25: Higher maximum output current for more demanding applications
• VLZ4V3B-GS33: Offers a higher output voltage for specific requirements

In conclusion, the VLZ4V3B-GS18 plays a vital role in ensuring stable power supply in diverse electronic applications, despite its limitations. Understanding its specifications, features, and alternatives is essential for effective utilization in various designs.

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