AZ78L08RTR-E1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Fixed Output Voltage
• Package: SOT-89
• Essence: Linear Regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 10V to 30V
• Output Voltage: 8V
• Output Current: 100mA
• Dropout Voltage: 1.5V
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AZ78L08RTR-E1 IC 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 efficient regulation even with small input-output differentials.
• Fixed output voltage of 8V provides a stable power supply for various applications.
• Excellent line and load regulation characteristics ensure consistent performance under varying conditions.
• Thermal shutdown and current limit protection features enhance reliability and prevent damage.

Advantages and Disadvantages

Advantages: - Compact SOT-89 package allows for space-efficient integration into electronic circuits. - Wide input voltage range enables compatibility with various power sources. - Low dropout voltage minimizes power dissipation and improves efficiency. - Good line and load regulation provide stable output voltage.

Disadvantages: - Limited output current capability restricts usage in high-power applications. - Fixed output voltage may not be suitable for all voltage requirements.

Working Principles

The AZ78L08RTR-E1 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage derived from the output. The pass transistor adjusts its resistance to maintain a constant output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The AZ78L08RTR-E1 is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and digital cameras.
2. Automotive applications: Used in automotive electronics to regulate voltage for sensors, actuators, and control modules.
3. Industrial equipment: Ensures stable power supply for control circuits, sensors, and communication modules in industrial automation systems.
4. Home appliances: Used in household appliances like refrigerators, air conditioners, and televisions to regulate power supply for control circuits.

Detailed and Complete Alternative Models

1. LM7808: A popular alternative from Texas Instruments with similar specifications and pin configuration.
2. MC78L08: Another alternative from ON Semiconductor offering comparable performance and package options.
3. NCP1117: A low dropout voltage regulator from ON Semiconductor suitable for higher current applications.

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