MN1381-G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low dropout, high accuracy, compact size
• Package: TO-92
• Essence: Monolithic voltage regulator
• Packaging/Quantity: Tape and reel, 1000 units per reel

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 2.5V to 15V
• Output Current: Up to 100mA
• Dropout Voltage: 0.5V typical at 100mA
• Line Regulation: ±0.2% typical
• Load Regulation: ±0.3% typical
• Quiescent Current: 50µA typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MN1381-G has three pins:

1. Vin - Input voltage pin
2. Vout - Output voltage pin
3. GND - Ground pin

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• High accuracy provides precise regulation of the output voltage.
• Compact TO-92 package allows for easy integration into various applications.
• Low quiescent current minimizes power consumption.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile use.
• Excellent line and load regulation ensure consistent performance.
• Small form factor enables space-saving designs.
• Low quiescent current extends battery life in portable devices.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Dropout voltage may cause a significant voltage drop under heavy loads.

Working Principles

The MN1381-G is a monolithic voltage regulator that maintains a stable output voltage regardless of variations in the input voltage. It utilizes a feedback mechanism to adjust the internal pass transistor, compensating for changes in load and line conditions. This ensures a constant output voltage within the specified range.

Detailed Application Field Plans

The MN1381-G is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Provides regulated voltage for microcontrollers, sensors, and other low-power components.
2. Automotive applications: Ensures stable voltage supply for automotive electronics, such as dashboard displays and infotainment systems.
3. Industrial equipment: Used in control circuits, sensors, and instrumentation systems.
4. Consumer electronics: Integrated into portable devices like smartphones, tablets, and digital cameras.

Detailed and Complete Alternative Models

• LM1117-3.3: Similar voltage regulator with a fixed 3.3V output.
• LT1763: Low dropout linear regulator with adjustable output voltage.
• MCP1700: Low quiescent current LDO regulator available in various output voltages.

(Note: The above alternative models are provided for reference and may have different specifications and pin configurations.)

This entry provides an overview of the MN1381-G voltage regulator, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models. With its compact size, high accuracy, and low dropout voltage, the MN1381-G is a versatile voltage regulator suitable for a wide range of electronic applications.