PLZ3V9B-G3/H Product Overview

Introduction

The PLZ3V9B-G3/H is a versatile electronic component that belongs to the category of voltage regulators. This device is designed to regulate and stabilize voltage levels within a circuit, ensuring consistent and reliable power supply to connected components. 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 PLZ3V9B-G3/H.

Basic Information Overview

• Category: Voltage Regulator
• Use: Stabilizing and regulating voltage levels in electronic circuits
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220
• Essence: Ensuring stable power supply for electronic devices
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 1.2V to 16V
• Output Current Capacity: Up to 3A
• Dropout Voltage: 0.6V at 3A
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: 0.05% typical
• Load Regulation: 0.1% typical

Detailed Pin Configuration

The PLZ3V9B-G3/H typically features three pins: 1. Input (VIN): Connects to the input voltage source 2. Ground (GND): Connected to the ground reference of the circuit 3. Output (VOUT): Provides the regulated output voltage

Functional Features

• High Precision: Provides accurate and stable output voltage regulation
• Low Dropout Voltage: Minimizes power loss and heat dissipation
• Thermal Shutdown Protection: Safeguards the device from overheating

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Wide input voltage range
• Thermal protection for enhanced safety

Disadvantages

• Higher dropout voltage compared to some alternative models
• Limited output current capacity for high-power applications

Working Principles

The PLZ3V9B-G3/H operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a constant output voltage despite variations in the input voltage and load conditions. The internal circuitry ensures precise regulation while the thermal shutdown feature protects the device from excessive temperature.

Detailed Application Field Plans

The PLZ3V9B-G3/H finds extensive use in various electronic applications, including: - Power supplies for consumer electronics - Battery charging circuits - Industrial automation systems - Automotive electronics - LED lighting systems

Detailed and Complete Alternative Models

1. PLZ5V7C-F6/I: Offers lower dropout voltage and higher output current capacity
2. PLX2W3A-G8/J: Provides wider input voltage range and improved line regulation
3. PLZ1U9D-E2/K: Compact form factor with lower thermal resistance for space-constrained designs

In conclusion, the PLZ3V9B-G3/H serves as a reliable voltage regulator with precise regulation, thermal protection, and versatile applications across various industries. Its specifications, functional features, and alternatives make it a valuable component in electronic circuit design and power management.

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