15LR380U Product Overview

Introduction

The 15LR380U is a versatile electronic component that belongs to the category of voltage regulators. This entry provides an in-depth overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Voltage Regulator
• Use: Regulating voltage in electronic circuits
• Characteristics: Stable output voltage, low dropout voltage, high current capability
• Package: TO-220 package
• Essence: Ensures consistent voltage supply in electronic devices
• Packaging/Quantity: Typically sold in reels or tubes containing multiple units

Specifications

• Input Voltage Range: 4.5V to 24V
• Output Voltage Range: 1.25V to 20V
• Maximum Output Current: 1.5A
• Dropout Voltage: 0.5V at 1A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The 15LR380U typically consists of three pins: 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
• Overcurrent Protection: Safeguards the circuit by limiting the output current during overloads
• Thermal Shutdown: Prevents damage due to excessive heat by shutting down the regulator temporarily

Advantages and Disadvantages

Advantages

• Compact size
• High efficiency
• Wide input voltage range

Disadvantages

• Limited maximum output current
• Dropout voltage may not be suitable for low-power applications

Working Principles

The 15LR380U operates based on the principle of feedback control. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage.

Detailed Application Field Plans

The 15LR380U finds extensive use in various electronic devices, including: - Power supplies - Battery charging circuits - Automotive electronics - Portable consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the 15LR380U include: - LM317: A popular adjustable voltage regulator with similar characteristics - L7805: Fixed 5V voltage regulator commonly used in electronic circuits - LM1117: Low dropout voltage regulator suitable for battery-powered applications

In conclusion, the 15LR380U is a reliable voltage regulator with a wide range of applications, offering stable voltage regulation and essential protection features. Its compact size and efficiency make it a preferred choice for many electronic designs.

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