SC648ADJ Product Overview

Introduction

SC648ADJ is a versatile voltage regulator that belongs to the category of adjustable linear regulators. This device is commonly used in electronic circuits to provide a stable and adjustable output voltage, making it suitable for a wide range of applications.

Basic Information Overview

• Category: Adjustable Linear Regulator
• Use: Providing stable and adjustable output voltage
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220, TO-263, SOT-223
• Essence: Voltage regulation
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: 1.25V to 16V
• Output Current: Up to 3A
• Dropout Voltage: 1.3V at 3A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SC648ADJ typically features three pins: 1. Input (VIN): Connects to the input voltage source. 2. Output (VOUT): Provides the regulated output voltage. 3. Adjust (ADJ): Used to set the output voltage level.

Functional Features

• High Precision: Provides accurate and stable output voltage.
• Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the output voltage.
• Thermal Shutdown Protection: Protects the device from overheating.

Advantages and Disadvantages

Advantages

• Wide input voltage range
• Adjustable output voltage
• Thermal protection for enhanced reliability

Disadvantages

• Higher power dissipation compared to switching regulators
• Limited maximum output current compared to some other regulators

Working Principles

The SC648ADJ operates by comparing the actual output voltage to a reference voltage and adjusting the pass element to maintain the desired output voltage. It utilizes feedback control to regulate the output voltage, ensuring stability and accuracy.

Detailed Application Field Plans

The SC648ADJ is widely used in various applications, including: - Power supplies for industrial equipment - Battery charging circuits - Audio amplifiers - Instrumentation and measurement systems

Detailed and Complete Alternative Models

Some alternative models to SC648ADJ include: - LM317: A popular adjustable linear regulator with similar characteristics and pin configuration. - LT1086: Offers higher output current capability while maintaining adjustable voltage regulation.

In conclusion, the SC648ADJ adjustable linear regulator offers precise voltage regulation and thermal protection, making it suitable for diverse electronic applications.

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