AN78L08ME1

Product Overview

Category

AN78L08ME1 belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 10V - 35V
• Output Voltage: 8V
• Maximum Output Current: 100mA
• Low Dropout Voltage: 2V (typical)
• Operating Temperature Range: -40°C to +85°C

Package

AN78L08ME1 comes in a small surface-mount package.

Essence

The essence of AN78L08ME1 lies in its ability to provide a stable and regulated output voltage despite variations in input voltage and load conditions.

Packaging/Quantity

AN78L08ME1 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 10V - 35V
• Output Voltage: 8V
• Output Current: 100mA (maximum)
• Dropout Voltage: 2V (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Quiescent Current: 5mA (typical)
• Ripple Rejection Ratio: 60dB (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

AN78L08ME1 has three pins:

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

Functional Features

• Regulated Output: AN78L08ME1 provides a constant output voltage of 8V, regardless of input voltage fluctuations.
• Low Dropout Voltage: The device exhibits a low dropout voltage of 2V, ensuring efficient regulation even with low input voltages.
• Overcurrent Protection: AN78L08ME1 incorporates overcurrent protection to safeguard the circuit from excessive current flow.
• Thermal Shutdown: The device includes thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Stable Output: AN78L08ME1 ensures a stable output voltage, making it suitable for sensitive electronic components.
• Compact Size: The small surface-mount package allows for easy integration into space-constrained designs.
• Wide Operating Temperature Range: AN78L08ME1 can operate reliably in extreme temperature conditions (-40°C to +85°C).

Disadvantages

• Limited Output Current: With a maximum output current of 100mA, AN78L08ME1 may not be suitable for high-power applications.
• Dropout Voltage: The 2V dropout voltage may restrict its use in low-voltage systems.

Working Principles

AN78L08ME1 operates on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. By adjusting the resistance within the regulator, AN78L08ME1 maintains a constant output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

AN78L08ME1 finds application in various electronic devices and circuits, including but not limited to: - Power supplies for microcontrollers and other low-power digital ICs - Battery-powered devices requiring regulated voltage - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AN78L08ME1 include: - LM7808: A popular linear voltage regulator with an output voltage of 8V. - MC78L08: Another 8V linear voltage regulator commonly used in electronic circuits. - UA78L08: A low-power, fixed-voltage regulator with an output voltage of 8V.

These alternative models can be considered based on specific application requirements and availability.

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