MC1403P1G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Fixed Output Voltage
• Package: TO-220
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tube/50 pieces per tube

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage: 3.3V
• Output Current: 1A
• Dropout Voltage: 0.5V (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MC1403P1G has a standard TO-220 package with three pins:

1. Pin 1 (IN): Input voltage pin.
2. Pin 2 (GND): Ground reference pin.
3. Pin 3 (OUT): Output voltage pin.

Functional Features

• Provides a regulated output voltage of 3.3V.
• Low dropout voltage ensures efficient operation even with small input-output differentials.
• Built-in thermal shutdown and current limit protection.
• Excellent line and load regulation characteristics.
• Suitable for both fixed and adjustable voltage applications.

Advantages and Disadvantages

Advantages

• Low dropout voltage allows for efficient power conversion.
• Wide input voltage range enables versatile usage.
• Compact TO-220 package facilitates easy integration into various circuits.
• Excellent line and load regulation ensures stable output voltage.

Disadvantages

• Fixed output voltage limits flexibility in certain applications.
• Maximum output current of 1A may not be sufficient for high-power devices.

Working Principles

The MC1403P1G is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a constant output voltage. The dropout voltage is minimized through the use of a low-resistance pass element.

Detailed Application Field Plans

The MC1403P1G is commonly used in various electronic devices and systems, including:

1. Power supplies for microcontrollers and digital circuits.
2. Battery-powered devices requiring stable voltage regulation.
3. Automotive electronics, such as dashboard displays and infotainment systems.
4. Industrial control systems and automation equipment.
5. Communication devices, such as routers and modems.

Detailed and Complete Alternative Models

• LM1117-3.3: Similar fixed 3.3V voltage regulator with SOT-223 package.
• LT1086CT-3.3: Adjustable voltage regulator with TO-220 package.
• LM317T: Adjustable voltage regulator with TO-220 package.

These alternative models offer similar functionality and can be considered as substitutes for the MC1403P1G depending on specific requirements.

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