SCE048LD3SR4B Product Overview

1. Introduction

SCE048LD3SR4B is a high-performance integrated circuit belonging to the category of voltage regulators. This device is widely used in various electronic applications due to its unique characteristics and functional features.

2. Basic Information Overview

• Category: Voltage Regulator
• Use: Regulating voltage in electronic circuits
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220
• Essence: Stabilizing voltage for reliable operation of electronic devices
• Packaging/Quantity: Available in tape and reel packaging, quantity per reel varies

3. Specifications

• Input Voltage Range: 4V to 40V
• Output Voltage: 3.3V
• Output Current: 500mA
• Dropout Voltage: 0.5V at 500mA
• Operating Temperature Range: -40°C to 125°C

4. Detailed Pin Configuration

The SCE048LD3SR4B has a standard TO-220 pin configuration with input, output, and ground pins, along with additional pins for thermal protection and feedback.

5. 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

6. Advantages and Disadvantages

• Advantages:
  • Reliable voltage regulation
  • Wide input voltage range
  • Thermal protection for enhanced safety
• Disadvantages:
  • Limited output current compared to some alternatives
  • Higher dropout voltage under heavy loads

7. Working Principles

The SCE048LD3SR4B utilizes a feedback mechanism to maintain a constant output voltage regardless of variations in the input voltage or load conditions. It employs internal circuitry to monitor temperature and provide thermal shutdown protection.

8. Detailed Application Field Plans

This voltage regulator is commonly used in various electronic devices such as IoT modules, sensor interfaces, and portable electronics where stable and precise voltage regulation is essential for proper functionality.

9. Detailed and Complete Alternative Models

• Alternative Model 1: SCE036LD5SR3A
• Alternative Model 2: SCE064LD2SR5C
• Alternative Model 3: SCE072LD1SR2D

In conclusion, the SCE048LD3SR4B voltage regulator offers reliable and precise voltage regulation for a wide range of electronic applications, despite some limitations in output current and dropout voltage. Its thermal protection feature enhances safety, making it a preferred choice for many design engineers.

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