PMR280UN,115 Product Overview

Introduction

The PMR280UN,115 is a versatile electronic component that belongs to the category of voltage regulators. This entry provides an in-depth overview of the product, including 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: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-252-3 (DPAK)
• Essence: Stabilizing voltage output
• Packaging/Quantity: Typically available in reels of 2500 units

Specifications

• Input Voltage Range: 2.5V to 28V
• Output Voltage Range: 1.25V to 20V
• Output Current: 0.5A
• Dropout Voltage: 0.6V at 500mA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The PMR280UN,115 has three pins: 1. Pin 1 (VIN): Input voltage 2. Pin 2 (GND): Ground 3. Pin 3 (VOUT): Output voltage

Functional Features

• High Precision: Provides accurate and stable output voltage
• Low Dropout Voltage: Ensures efficient regulation even when input voltage is close to output voltage
• Thermal Shutdown Protection: Safeguards the regulator from overheating

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Low dropout voltage
• Thermal protection for enhanced reliability

Disadvantages

• Limited output current capacity
• Restricted input voltage range

Working Principles

The PMR280UN,115 operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a constant output voltage. When the input voltage or load changes, the regulator responds to ensure a stable output.

Detailed Application Field Plans

The PMR280UN,115 is commonly used in various applications, including: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

• LM317: Adjustable voltage regulator with higher output current capacity
• LM7805: Fixed 5V voltage regulator suitable for many applications
• LT1083: High-current adjustable voltage regulator for demanding tasks

In conclusion, the PMR280UN,115 is a reliable voltage regulator with precise regulation and thermal protection features. Its limitations in terms of output current and input voltage range are outweighed by its stability and efficiency in numerous electronic applications.

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