RE21-SA05 Product Overview

1. Introduction

RE21-SA05 is a versatile electronic component 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.

2. 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: Ensures consistent and reliable power supply
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on package type

3. Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.25V to 20V
• Output Current: Up to 5A
• Dropout Voltage: 0.6V at 5A
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: 0.02%/V
• Load Regulation: 0.1%/A

4. Detailed Pin Configuration

The RE21-SA05 voltage regulator has a standard pin configuration with input, output, and ground pins. The pinout is as follows: - Pin 1: Input Voltage (VIN) - Pin 2: Ground (GND) - Pin 3: Output Voltage (VOUT)

5. Functional Features

• High Precision: Provides accurate and stable output voltage regulation
• Low Dropout Voltage: Minimizes power loss and heat dissipation
• Thermal Shutdown Protection: Safeguards the regulator from overheating

6. Advantages and Disadvantages

• Advantages:
  • Reliable voltage regulation
  • Wide input voltage range
  • Thermal protection for enhanced safety
• Disadvantages:
  • Higher dropout voltage compared to some alternative models
  • Limited output current compared to higher-rated regulators

7. Working Principles

The RE21-SA05 utilizes a feedback control mechanism to maintain a constant output voltage despite variations in input voltage and load conditions. It employs internal circuitry to monitor and adjust the output voltage, ensuring stability and reliability.

8. Detailed Application Field Plans

• Industrial Electronics: Power supplies, motor control systems
• Automotive Electronics: Engine control units, lighting systems
• Consumer Electronics: Audio amplifiers, LED drivers

9. Detailed and Complete Alternative Models

• RE21-SA03: Lower output current, suitable for low-power applications
• RE21-SA08: Higher output current, ideal for high-power circuits

In conclusion, the RE21-SA05 voltage regulator offers precise and dependable voltage regulation for a wide range of electronic applications, making it an essential component in modern electronic designs.

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