SA33HE3/73 Product Overview

Introduction

SA33HE3/73 is a semiconductor product belonging to the category of voltage regulators. It is commonly used to regulate voltage in electronic circuits and devices. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of SA33HE3/73.

Basic Information Overview

• Category: Voltage Regulator
• Use: Regulating voltage in electronic circuits and devices
• Characteristics: Efficient voltage regulation, compact design
• Package: TO-220AB
• Essence: Stabilizing voltage output
• Packaging/Quantity: Typically packaged in reels of 2500 units

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage: 3.3V
• Output Current: 3A
• Dropout Voltage: 0.6V
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: 0.2%
• Load Regulation: 0.4%

Detailed Pin Configuration

1. Input
2. Ground
3. Output

Functional Features

• Overcurrent Protection: Safeguards against excessive current flow
• Thermal Shutdown: Prevents overheating
• Short-Circuit Protection: Guards against short-circuit conditions

Advantages and Disadvantages

Advantages

• High efficiency
• Wide input voltage range
• Compact design

Disadvantages

• Higher dropout voltage compared to some alternatives
• Limited output current compared to higher-rated models

Working Principles

SA33HE3/73 operates by comparing the output voltage to a reference voltage and adjusting the pass device to maintain a constant output voltage. It utilizes feedback control to achieve this regulation.

Detailed Application Field Plans

SA33HE3/73 is widely used in various electronic devices and systems, including: - Power supplies - Battery charging circuits - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to SA33HE3/73 include: - LM317: Adjustable voltage regulator with a wide input voltage range - LM1117: Low dropout voltage regulator suitable for battery-powered applications - LT1086: High-current adjustable voltage regulator for demanding applications

In conclusion, SA33HE3/73 is a reliable voltage regulator with efficient performance and a wide range of applications. Its compact design and robust features make it a popular choice in the electronics industry.

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