AZ78L05Z-E1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Fixed Output Voltage: 5V
  • Maximum Output Current: 100mA
  • Low Dropout Voltage: 2V
  • Operating Temperature Range: -40°C to +125°C
• Package: TO-92
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2000 units per reel

Specifications

The AZ78L05Z-E1 is a voltage regulator IC that provides a fixed output voltage of 5V. It is designed to regulate input voltages and provide a stable output voltage for various electronic applications. The maximum output current supported by this IC is 100mA, making it suitable for low-power devices.

This voltage regulator has a low dropout voltage of 2V, which means it can maintain a stable output voltage even when the input voltage is close to the desired output voltage. It operates within a wide temperature range of -40°C to +125°C, ensuring reliable performance in different environmental conditions.

Pin Configuration

The AZ78L05Z-E1 IC has three pins, each serving a specific function:

1. Input Pin (VIN): This pin is used to connect the input voltage that needs to be regulated.
2. Ground Pin (GND): This pin is connected to the ground reference of the circuit.
3. Output Pin (VOUT): The regulated output voltage is obtained from this pin.

Functional Features

• Voltage Regulation: The AZ78L05Z-E1 provides a stable output voltage of 5V, regardless of variations in the input voltage.
• Low Dropout Voltage: With a dropout voltage of only 2V, this IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Thermal Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive heat.
• Short Circuit Protection: It has built-in short circuit protection, safeguarding the IC and the connected circuitry from damage in case of a short circuit.

Advantages and Disadvantages

Advantages: - Provides a fixed 5V output voltage, suitable for many electronic applications. - Low dropout voltage ensures stable performance even with small input-output voltage differentials. - Wide operating temperature range allows for use in various environmental conditions. - Thermal and short circuit protection enhance reliability and safety.

Disadvantages: - Limited maximum output current of 100mA may not be sufficient for high-power applications. - Only available in TO-92 package, which may not be suitable for all circuit designs.

Working Principles

The AZ78L05Z-E1 operates based on the principle of linear voltage regulation. It uses a series pass transistor to regulate the output voltage. When the input voltage exceeds the desired output voltage, the series pass transistor adjusts its resistance to maintain a constant output voltage. This mechanism ensures that the output voltage remains stable despite fluctuations in the input voltage.

Detailed Application Field Plans

The AZ78L05Z-E1 is commonly used in various electronic devices and circuits where a stable 5V power supply is required. Some typical application areas include:

1. Microcontrollers: Providing a regulated 5V supply to microcontrollers ensures their proper operation.
2. Digital Logic Circuits: Many digital logic circuits require a stable 5V power source for reliable performance.
3. Sensor Modules: Sensors often require a regulated power supply to ensure accurate readings.
4. Battery-Powered Devices: Regulating the battery voltage to a stable 5V level extends the operating time of battery-powered devices.

Detailed and Complete Alternative Models

• LM78L05: This is a similar voltage regulator IC with a fixed 5V output and a maximum output current of 100mA. It is available in various package options.
• MC78L05: Another alternative, offering the same specifications as the AZ78L05Z-E1. It is available in different package types to suit different circuit designs.
• LP2950: This voltage regulator IC provides a fixed 5V output with a maximum output current of 100mA. It offers low dropout voltage and is available in various packages.

These alternative models can be considered based on specific requirements and compatibility with the circuit design.

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