3EZ39D5/TR12 Product Overview

Introduction

The 3EZ39D5/TR12 is a semiconductor product belonging to the category of voltage regulators. This entry provides an overview of 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: Regulating voltage in electronic circuits
• Characteristics: Efficient, stable output voltage, low dropout voltage
• Package: TO-252-3 (DPAK)
• Essence: Regulates input voltage to provide a constant output voltage
• Packaging/Quantity: Typically available in reels of 2500 units

Specifications

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

Detailed Pin Configuration

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

• Voltage Regulation: Maintains a stable output voltage despite fluctuations in the input voltage
• Overcurrent Protection: Safeguards the circuit by limiting the output current
• Thermal Shutdown: Prevents damage due to excessive heat

Advantages and Disadvantages

Advantages

• Efficient voltage regulation
• Low dropout voltage
• Overcurrent protection enhances circuit reliability

Disadvantages

• Limited output current capacity compared to higher-rated models
• Sensitive to thermal conditions

Working Principles

The 3EZ39D5/TR12 utilizes internal circuitry to compare the actual output voltage with a reference voltage. It then adjusts the output to maintain a constant voltage level, compensating for variations in the input voltage.

Detailed Application Field Plans

The 3EZ39D5/TR12 is suitable for various applications requiring a stable 3.3V power supply. Common uses include: - Microcontroller power supply - Sensor interface circuits - Battery-powered devices

Detailed and Complete Alternative Models

• 3.3V Voltage Regulators: LM1117, LM2937, LM3940
• Higher Current Voltage Regulators: LM1084, LM350, LM317

In conclusion, the 3EZ39D5/TR12 offers efficient voltage regulation with a low dropout voltage, making it suitable for diverse electronic applications requiring a stable 3.3V power supply.

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