SMPZ3928B-E3/84A

Introduction

The SMPZ3928B-E3/84A is a semiconductor product belonging to the category of voltage regulators. This device is commonly used in electronic circuits to maintain a stable output voltage despite fluctuations in input voltage or load conditions. The following entry provides an overview of the SMPZ3928B-E3/84A, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Voltage Regulator
• Use: Stabilizing output voltage in electronic circuits
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220AB
• Essence: Ensures stable output voltage under varying input and load conditions
• Packaging/Quantity: Typically packaged in reels of 2500 units

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage: 3.3V
• Output Current: 1.5A
• Dropout Voltage: 0.6V at 1A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SMPZ3928B-E3/84A has a standard TO-220AB 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
• Low Dropout Voltage: Minimizes power loss and heat dissipation
• Thermal Shutdown Protection: Safeguards the device from overheating

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Wide input voltage range
• Thermal protection for enhanced safety

Disadvantages

• Higher dropout voltage compared to some alternatives
• Limited output current capacity

Working Principles

The SMPZ3928B-E3/84A operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a constant output. When the input voltage or load changes, the regulator responds to ensure a stable output voltage.

Detailed Application Field Plans

The SMPZ3928B-E3/84A is widely used in various applications, including: - Power supplies - Battery charging circuits - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMPZ3928B-E3/84A include: - LM317 - L78xx series - LT1083

In conclusion, the SMPZ3928B-E3/84A is a reliable voltage regulator with precise regulation and thermal protection, making it suitable for a wide range of electronic applications.

Word count: 411