L79L08ACZ-AP

Product Overview

Category

L79L08ACZ-AP belongs to the category of linear voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

• Input Voltage Range: -35V to -10V
• Output Voltage: -8V
• Maximum Output Current: 100mA
• Dropout Voltage: 2V
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-92
• Essence: Integrated circuit (IC) voltage regulator

Packaging/Quantity

The L79L08ACZ-AP is typically packaged in a TO-92 package. It is available in reels or tubes, with a quantity of 2000 units per reel/tube.

Specifications

• Input Voltage Range: -35V to -10V
• Output Voltage: -8V
• Output Current: Up to 100mA
• Dropout Voltage: 2V
• Line Regulation: ±0.5%
• Load Regulation: ±1%
• Quiescent Current: 4.5mA
• Ripple Rejection Ratio: 60dB
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes

Pin Configuration

The L79L08ACZ-AP 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 L79L08ACZ-AP ensures a stable output voltage of -8V regardless of variations in the input voltage.
• Thermal Shutdown Protection: In case of excessive temperature, the regulator shuts down to prevent damage.
• Short Circuit Protection: The device automatically shuts down in the event of a short circuit, protecting the circuitry.

Advantages and Disadvantages

Advantages

• Compact size and easy to integrate into electronic circuits.
• Wide input voltage range allows for flexibility in various applications.
• Excellent line and load regulation ensures stable output voltage.
• Thermal shutdown and short circuit protection enhance reliability.

Disadvantages

• Limited maximum output current of 100mA may not be suitable for high-power applications.
• Dropout voltage of 2V may result in higher power dissipation.

Working Principles

The L79L08ACZ-AP is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The L79L08ACZ-AP finds applications in various electronic devices and systems, including but not limited to: - Power supplies for audio amplifiers - Battery-powered devices - Industrial control systems - Automotive electronics - Telecommunications equipment

Detailed and Complete Alternative Models

1. LM7808: Similar specifications and pin configuration, available in different package types.
2. MC78L08: Low-cost alternative with comparable performance.
3. UA78L08: Higher output current capability, suitable for more demanding applications.

These alternative models provide similar functionality and can be used as replacements for the L79L08ACZ-AP depending on specific requirements.

In conclusion, the L79L08ACZ-AP is a linear voltage regulator that provides stable -8V output voltage with thermal and short circuit protection. Its compact size, wide input voltage range, and excellent regulation make it suitable for various electronic applications. However, its limited output current and dropout voltage should be considered when selecting alternatives for high-power applications.