AN79L08ME1

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - Output current up to 100mA - Fixed output voltage of -8V - Thermal shutdown protection - Short circuit current limiting

Package: TO-92, SOT-89

Essence: AN79L08ME1 is a voltage regulator IC that provides a fixed output voltage of -8V with low dropout voltage and high output current capability.

Packaging/Quantity: AN79L08ME1 is available in TO-92 and SOT-89 packages. The quantity per package varies depending on the manufacturer.

Specifications

• Input Voltage Range: -10V to -35V
• Output Voltage: -8V ±5%
• Dropout Voltage: 1.7V (typical)
• Output Current: Up to 100mA
• Quiescent Current: 4mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AN79L08ME1 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 -8V output voltage.

Functional Features

• Low dropout voltage ensures stable operation even when the input voltage is close to the output voltage.
• Thermal shutdown protection prevents the IC from overheating.
• Short circuit current limiting protects the IC and connected components from excessive current.

Advantages and Disadvantages

Advantages: - Small package size allows for space-saving designs. - High output current capability makes it suitable for various applications. - Low dropout voltage minimizes power dissipation.

Disadvantages: - Fixed output voltage limits flexibility in certain applications. - Limited input voltage range restricts its use in specific scenarios.

Working Principles

AN79L08ME1 is a linear voltage regulator that uses a negative feedback mechanism to maintain a constant -8V output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output voltage.

Detailed Application Field Plans

AN79L08ME1 can be used in various electronic devices and circuits where a stable -8V power supply is required. Some common application fields include:

1. Audio Amplifiers: AN79L08ME1 can provide a regulated negative voltage for audio amplifier circuits, ensuring proper biasing and signal amplification.
2. Instrumentation Systems: It can be used in instrumentation systems that require a precise and stable negative voltage reference.
3. Industrial Control Systems: AN79L08ME1 finds applications in industrial control systems where a regulated negative voltage is necessary for powering sensors, actuators, and control circuits.

Detailed and Complete Alternative Models

Some alternative models that can be used as substitutes for AN79L08ME1 are:

1. LM79L08: Manufactured by National Semiconductor, it offers similar specifications and pin configuration.
2. MC79L08: Produced by ON Semiconductor, it provides comparable performance and compatibility.
3. UA79L08: Manufactured by Texas Instruments, it is another alternative with similar characteristics.

These alternative models can be considered based on availability, pricing, and specific requirements of the application.

Word count: 446 words