VLZ39A-GS18 Product Overview

Introduction

The VLZ39A-GS18 is a versatile electronic component that belongs to the category of voltage regulators. This product is widely used in various electronic devices and systems to ensure stable and regulated power supply, making it an essential component in modern electronics.

Basic Information Overview

• Category: Voltage Regulator
• Use: To regulate and stabilize voltage in electronic circuits and systems
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: SMD (Surface Mount Device)
• Essence: Ensures consistent and reliable power supply in electronic applications
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.2V to 20V
• Maximum Output Current: 3A
• Dropout Voltage: 340mV at 3A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The VLZ39A-GS18 features a standard pin configuration with input, output, and ground pins, along with additional pins for thermal management and feedback control.

Functional Features

• Voltage Regulation: Maintains a stable output voltage despite variations in input voltage and load conditions.
• Thermal Shutdown Protection: Automatically disables the regulator in case of excessive temperature, preventing damage to the device.
• Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the output voltage.

Advantages and Disadvantages

Advantages

• High precision regulation
• Compact SMD package
• Wide input voltage range

Disadvantages

• Limited maximum output current compared to some alternative models
• May require additional heat sinking for high-power applications

Working Principles

The VLZ39A-GS18 operates based on the principle of feedback control, where an internal error amplifier compares the actual output voltage with a reference voltage and adjusts the output to maintain the desired voltage level.

Detailed Application Field Plans

This voltage regulator is commonly used in: - Portable electronic devices - Automotive electronics - Industrial control systems - Power management modules

Detailed and Complete Alternative Models

Some alternative models to consider include: - LM317: A classic linear voltage regulator with adjustable output - LT1083: High-current adjustable voltage regulator with low dropout voltage - TPS7A47: Ultra-low-noise, high-PSRR (Power Supply Rejection Ratio) voltage regulator

In conclusion, the VLZ39A-GS18 offers precise voltage regulation in a compact package, making it suitable for a wide range of electronic applications.

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