SC258NG Product Overview

Introduction

SC258NG is a versatile integrated circuit 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. In this entry, we will provide an overview of SC258NG, 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: Ensuring stable and regulated power supply in electronic devices and systems
• Characteristics: High efficiency, low dropout voltage, thermal shutdown protection
• Package: TO-220, TO-263, D2PAK
• Essence: Regulating input voltage to provide a constant output voltage
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Input Voltage Range: 4.5V to 25V
• Output Voltage Range: 1.2V 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%
• Load Regulation: 0.4%

Detailed Pin Configuration

The SC258NG has a standard pin configuration with input, output, and ground pins. It also includes additional pins for features such as thermal shutdown and enable control.

Functional Features

• High Efficiency: Provides efficient power conversion, minimizing energy loss
• Low Dropout Voltage: Ensures stable output even when input voltage is close to the output voltage
• Thermal Shutdown Protection: Protects the device from overheating, enhancing reliability

Advantages and Disadvantages

Advantages

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

Disadvantages

• Higher cost compared to basic linear regulators
• Sensitive to external noise and fluctuations

Working Principles

SC258NG 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 a constant output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

SC258NG finds extensive applications in various electronic systems, including: - Power supplies for consumer electronics - Automotive electronics - Industrial control systems - Telecommunication equipment

Detailed and Complete Alternative Models

Some alternative models to SC258NG include: - LM317: A popular adjustable linear voltage regulator - LM7805: Fixed 5V linear voltage regulator - LT1083: High current adjustable voltage regulator

In conclusion, SC258NG is a reliable and efficient voltage regulator with a wide range of applications across different industries. Its high efficiency, thermal protection, and stable output make it a preferred choice for many electronic designs.

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