AZ78L05ZTR-E1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low dropout voltage, small package size, high output current capability
• Package: SOT-89
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 7V to 20V
• Output Voltage: 5V
• Output Current: Up to 100mA
• Dropout Voltage: 2V (maximum)
• Line Regulation: 0.04%/V (typical)
• Load Regulation: 0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AZ78L05ZTR-E1 has three pins:

1. Pin 1: Input (VIN) - Connects to the input voltage source.
2. Pin 2: Ground (GND) - Connected to the ground reference.
3. Pin 3: Output (VOUT) - Provides the regulated output voltage.

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• Small package size allows for space-saving designs.
• High output current capability enables driving various loads.
• Built-in thermal shutdown protection prevents overheating.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - Small package size saves board space. - High output current capability allows for versatile applications. - Thermal shutdown protection enhances reliability.

Disadvantages: - Limited output current compared to other voltage regulators. - Higher cost compared to non-linear regulators.

Working Principles

The AZ78L05ZTR-E1 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the output voltage to a reference voltage and adjusting the pass transistor accordingly. The regulator maintains a constant output voltage by dissipating excess voltage as heat.

Detailed Application Field Plans

The AZ78L05ZTR-E1 is commonly used in various electronic devices, including:

1. Battery-powered devices: Provides stable 5V supply for microcontrollers, sensors, and other low-power components.
2. Automotive applications: Regulates voltage for automotive electronics, such as dashboard displays and infotainment systems.
3. Industrial equipment: Ensures reliable power supply for control circuits and sensors in industrial automation systems.
4. Consumer electronics: Used in portable devices like smartphones, tablets, and digital cameras to regulate voltage for internal components.

Detailed and Complete Alternative Models

1. LM7805: A widely used linear voltage regulator with similar specifications and pin configuration.
2. MC78L05: Another popular linear voltage regulator offering comparable performance.
3. NCP1117: Low dropout voltage regulator with higher output current capability.

These alternative models provide similar functionality and can be used as substitutes for the AZ78L05ZTR-E1 in various applications.

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