PGFR-122: Product Overview and Specifications

Introduction

PGFR-122 is a versatile electronic component that belongs to the category of voltage regulators. It is widely used in various electronic devices to ensure stable and regulated power supply. This entry provides an in-depth overview of PGFR-122, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Voltage Regulator
• Use: To regulate and stabilize voltage in electronic circuits
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220, TO-252, TO-263
• Essence: Silicon-based voltage regulator
• Packaging/Quantity: Typically available in reels or tubes containing 100 to 1000 units

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.25V to 20V
• Output Current: Up to 3A
• Dropout Voltage: 0.6V at 3A
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: 0.2% typical
• Load Regulation: 0.4% typical

Detailed Pin Configuration

PGFR-122 comes with standard pin configurations for easy integration into electronic circuits. The pinout typically includes input, output, and ground pins, along with additional pins for features such as thermal shutdown and adjustable output voltage.

Functional Features

• High Precision: Provides accurate and stable output voltage regulation
• Low Dropout Voltage: Ensures efficient operation even with small voltage differentials
• Thermal Shutdown Protection: Safeguards the device from overheating
• Adjustable Output Voltage: Some models offer the flexibility to set the output voltage as per the application requirements

Advantages and Disadvantages

Advantages: - Reliable voltage regulation - Wide input voltage range - Thermal protection for enhanced safety - Compact package options for space-constrained designs

Disadvantages: - Sensitive to improper handling and static discharge - Limited current handling capacity compared to higher-power regulators

Working Principles

PGFR-122 operates based on the principle of feedback control, where it compares the actual output voltage to a reference voltage and adjusts the internal circuitry to maintain the desired output voltage. This closed-loop control mechanism ensures precise regulation across varying input and load conditions.

Detailed Application Field Plans

PGFR-122 finds extensive applications in various electronic systems, including: - Power supplies for consumer electronics - Battery charging circuits - Automotive electronics - Industrial control systems - LED lighting drivers - Portable electronic devices

Detailed and Complete Alternative Models

Several alternative models are available in the market, offering similar functionality and performance. Some notable alternatives to PGFR-122 include LM317, LM7805, LM1117, and LT1083. Each of these models has its unique specifications and features, catering to diverse application requirements.

In conclusion, PGFR-122 stands as a reliable and efficient voltage regulator with a wide range of applications in the electronics industry. Its precise regulation, thermal protection, and compact packaging make it a preferred choice for designers seeking stable power solutions.

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