SMZJ3807BHE3/5B Encyclopedia Entry

Introduction

The SMZJ3807BHE3/5B is a semiconductor product belonging to the category of voltage regulators. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Voltage Regulator
• Use: The SMZJ3807BHE3/5B is used to regulate voltage in electronic circuits, ensuring a stable output voltage despite fluctuations in input voltage or load conditions.
• Characteristics: This voltage regulator is known for its high efficiency, low dropout voltage, and excellent line and load regulation.
• Package: The SMZJ3807BHE3/5B is available in a compact and industry-standard TO-252 package.
• Essence: Its essence lies in providing reliable and stable voltage regulation for various electronic applications.
• Packaging/Quantity: It is typically packaged in reels with a quantity that varies based on customer requirements.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage: 3.3V
• Output Current: 1A
• Dropout Voltage: 0.6V at 1A
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: ±1%
• Load Regulation: ±1%

Detailed Pin Configuration

The SMZJ3807BHE3/5B has 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 Efficiency: The voltage regulator offers high efficiency, minimizing power dissipation and maximizing battery life in portable applications.
• Low Dropout Voltage: With a low dropout voltage of 0.6V at 1A, it can maintain regulation even when the input voltage is close to the output voltage.
• Excellent Line and Load Regulation: Ensures stable output voltage under varying input voltage and load conditions.

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• High efficiency
• Low dropout voltage
• Compact package size

Disadvantages

• Limited output current capacity
• Higher cost compared to linear regulators

Working Principles

The SMZJ3807BHE3/5B 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 continuously monitor and adjust the output voltage, ensuring stability and accuracy.

Detailed Application Field Plans

The SMZJ3807BHE3/5B is commonly used in various electronic devices and systems, including: - Battery-powered devices - Automotive electronics - Industrial control systems - Portable consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMZJ3807BHE3/5B include: - LM317: A popular adjustable linear voltage regulator - LM7805: Fixed 5V linear voltage regulator - LT1083: Adjustable positive voltage regulator

In conclusion, the SMZJ3807BHE3/5B is a reliable and efficient voltage regulator suitable for a wide range of electronic applications, offering stable voltage regulation and high performance.

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