AN78M08NSP

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low dropout voltage, high output current capability
• Package: TO-252-3 (DPAK)
• Essence: Linear regulator with fixed 8V output
• Packaging/Quantity: Tape and reel, 2,500 units per reel

Specifications

• Input Voltage Range: 10V to 35V
• Output Voltage: 8V
• Output Current: Up to 500mA
• Dropout Voltage: 1.5V (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Quiescent Current: 5mA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AN78M08NSP has three pins:

1. Pin 1 (Input): Connects to the input voltage source.
2. Pin 2 (Ground): Connected to the ground reference.
3. Pin 3 (Output): Provides the regulated 8V output.

Functional Features

• Low dropout voltage allows operation with small voltage differentials between input and output.
• High output current capability enables the device to power a wide range of loads.
• Built-in thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit protection safeguards the device and load from damage in case of a short circuit.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient operation even with low input-output differentials. - High output current capability makes it suitable for various applications. - Thermal shutdown and short-circuit protection enhance reliability.

Disadvantages: - Limited output current compared to higher-rated regulators. - Fixed output voltage may not be suitable for all applications requiring variable voltage.

Working Principles

The AN78M08NSP is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor's resistance to maintain a stable 8V output.

Detailed Application Field Plans

The AN78M08NSP is commonly used in various electronic devices and systems, including:

1. Power supplies for microcontrollers and other digital ICs.
2. Automotive electronics, such as dashboard displays and infotainment systems.
3. Industrial control systems, providing regulated power to sensors and actuators.
4. Audio amplifiers and preamplifiers, ensuring stable voltage supply for audio components.

Detailed and Complete Alternative Models

• LM7808: Similar fixed 8V linear voltage regulator from Texas Instruments.
• MC78M08: Another 8V linear voltage regulator from ON Semiconductor.
• LT1085: Adjustable linear voltage regulator capable of providing 8V output.

(Note: These alternative models may have different specifications and pin configurations. Refer to their respective datasheets for detailed information.)

This entry provides an overview of the AN78M08NSP voltage regulator, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.