AN77L08M

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: Low dropout voltage, high current capability
Package: TO-252-3 (DPAK)
Essence: Linear voltage regulator
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 10V to 35V
Output Voltage: -8V
Dropout Voltage: 1.5V (typical)
Output Current: 500mA
Line Regulation: ±0.2%
Load Regulation: ±0.4%
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AN77L08M has three pins:

Input (VIN): Connects to the input voltage source.
Ground (GND): Connected to the ground reference.
Output (VOUT): Provides the regulated -8V output.

Functional Features

Low dropout voltage: The AN77L08M can regulate the output voltage even when the input voltage is close to the desired output voltage.
High current capability: It can provide a maximum output current of 500mA, making it suitable for various applications.
Thermal shutdown protection: The IC includes built-in thermal shutdown protection to prevent damage due to excessive heat.

Advantages and Disadvantages

Advantages: - Compact package size - Wide input voltage range - Low dropout voltage - High current capability

Disadvantages: - Fixed output voltage (-8V) - Limited output current compared to higher-rated regulators

Working Principles

The AN77L08M is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly. When the input voltage is higher than the desired output voltage, the pass transistor reduces the excess voltage to maintain a stable -8V output.

Detailed Application Field Plans

The AN77L08M can be used in various applications that require a regulated -8V power supply. Some common application fields include:

Audio Amplifiers: The IC can provide a stable negative voltage supply for audio amplifiers, ensuring accurate signal amplification.
Industrial Control Systems: It can be used in industrial control systems to regulate voltages for sensors, actuators, and other components.
Automotive Electronics: The AN77L08M can be employed in automotive electronics for powering various modules and subsystems.

Detailed and Complete Alternative Models

LM79L08: This IC offers similar specifications and pin configuration as the AN77L08M.
MC78L08: Another alternative with comparable characteristics and package type.
UA79L08: A linear voltage regulator with -8V output and compatible pinout.

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

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van AN77L08M in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of AN77L08M in technical solutions:

Q: What is AN77L08M? A: AN77L08M is a voltage regulator integrated circuit (IC) that provides a fixed output voltage of -8V.
Q: What is the input voltage range for AN77L08M? A: The input voltage range for AN77L08M is typically between -10V and -35V.
Q: What is the maximum output current of AN77L08M? A: The maximum output current of AN77L08M is typically 500mA.
Q: Can AN77L08M be used in both AC and DC applications? A: Yes, AN77L08M can be used in both AC and DC applications.
Q: Is AN77L08M suitable for battery-powered devices? A: Yes, AN77L08M can be used in battery-powered devices as it has low quiescent current and low dropout voltage.
Q: Can AN77L08M handle overcurrent or short-circuit conditions? A: AN77L08M has built-in protection features like thermal shutdown and current limiting to handle overcurrent or short-circuit conditions.
Q: Does AN77L08M require any external components for operation? A: Yes, AN77L08M requires a few external components like input and output capacitors for stability and filtering.
Q: What is the typical operating temperature range for AN77L08M? A: The typical operating temperature range for AN77L08M is -40°C to +125°C.
Q: Can AN77L08M be used in automotive applications? A: Yes, AN77L08M is suitable for automotive applications as it meets the required specifications and has a wide operating temperature range.
Q: Are there any recommended application circuits available for AN77L08M? A: Yes, the datasheet of AN77L08M provides recommended application circuits that can be used as a reference for designing with this IC.

Please note that the answers provided here are general and may vary depending on specific datasheet information and application requirements.