AZ78L05RTR-E1

Product Overview

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

Specifications

• Input Voltage: Up to 35V
• Output Voltage: 5V
• Output Current: 100mA
• Dropout Voltage: 2V (maximum)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AZ78L05RTR-E1 has three pins:

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

Functional Features

• Voltage Regulation: The AZ78L05RTR-E1 provides a stable 5V output voltage regardless of changes in the input voltage or load conditions.
• Low Dropout: With a maximum dropout voltage of 2V, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
• Short Circuit Protection: The device includes built-in protection against short circuits, preventing damage to the regulator and connected components.
• Thermal Shutdown: In case of excessive temperature, the regulator automatically shuts down to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages: - Simple and compact design - Easy to use and integrate into various applications - Reliable voltage regulation - Built-in protection features

Disadvantages: - Limited output current capacity (100mA) - Requires external capacitors for stability

Working Principles

The AZ78L05RTR-E1 is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a stable output voltage.

Detailed Application Field Plans

The AZ78L05RTR-E1 is commonly used in various electronic devices and applications, including:

1. Consumer Electronics: Powering microcontrollers, sensors, and other low-power components.
2. Automotive: Providing regulated voltage for automotive electronics, such as infotainment systems and dashboard displays.
3. Industrial Control Systems: Used in control panels, motor drivers, and instrumentation equipment.
4. Telecommunications: Voltage regulation for communication devices, routers, and network switches.

Detailed and Complete Alternative Models

• LM78L05: Similar low dropout voltage regulator with 5V output and SOT-89 package.
• MC78L05: Fixed voltage regulator with 5V output and TO-92 package.
• LP2950: Low power voltage regulator with adjustable output voltage and SOT-23 package.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

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