SMZG3791B-E3/5B

Introduction

The SMZG3791B-E3/5B is a semiconductor product that belongs to the category of voltage regulators. This device is commonly used in electronic circuits to regulate the voltage and ensure stable power supply to various components. The following 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 the SMZG3791B-E3/5B.

Basic Information Overview

• Category: Voltage Regulator
• Use: Stabilizing and regulating voltage in electronic circuits
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-252-3 (DPAK)
• Essence: Ensures stable and reliable power supply
• Packaging/Quantity: Typically supplied in reels or tubes with varying quantities

Specifications

• Input Voltage: 4.5V to 18V
• Output Voltage: 3.3V
• Output Current: Up to 1A
• Dropout Voltage: 300mV at 1A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SMZG3791B-E3/5B has a standard TO-252-3 package with three pins: 1. Input (VIN): Connects to the input voltage source 2. Ground (GND): Connected to the ground reference 3. Output (VOUT): Provides the regulated output voltage

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 device from overheating

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Low dropout voltage
• Thermal protection for enhanced safety

Disadvantages

• Limited maximum output current compared to higher-rated regulators
• Higher cost compared to standard linear regulators

Working Principles

The SMZG3791B-E3/5B operates based on the principle of feedback control. It compares the actual output voltage to a reference voltage and adjusts the internal circuitry to maintain a constant output voltage despite changes in the input voltage or load conditions.

Detailed Application Field Plans

The SMZG3791B-E3/5B is widely used in various applications, including: - Battery-powered devices - Portable electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMZG3791B-E3/5B include: - LM1117 - L78M05 - NCV4274

In summary, the SMZG3791B-E3/5B is a versatile voltage regulator with precise regulation, low dropout voltage, and thermal protection, making it suitable for a wide range of electronic applications.

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