MCP1791-5002E/ET

Product Overview

Category

The MCP1791-5002E/ET belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate voltage levels and ensure stable power supply to various components.

Characteristics

• High efficiency: The MCP1791-5002E/ET offers high efficiency, minimizing power loss during voltage regulation.
• Wide input voltage range: It can accept a wide range of input voltages, making it versatile for different applications.
• Low dropout voltage: The regulator maintains a low dropout voltage, ensuring efficient power delivery even when the input voltage is close to the output voltage.
• Overcurrent protection: The MCP1791-5002E/ET incorporates overcurrent protection, safeguarding connected devices from excessive current flow.
• Thermal shutdown: In case of overheating, the regulator automatically shuts down to prevent damage.

Package

The MCP1791-5002E/ET is available in a compact and industry-standard TO-220 package. This package provides excellent thermal dissipation capabilities, ensuring reliable operation even under high load conditions.

Essence

The essence of the MCP1791-5002E/ET lies in its ability to provide stable and regulated voltage output, enabling proper functioning of electronic devices.

Packaging/Quantity

This product is typically sold in reels or tubes containing a specific quantity, such as 100 units per reel.

Specifications

• Input Voltage Range: 4.5V to 16V
• Output Voltage Range: 1.8V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 210mV (typical) at 500mA
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1791-5002E/ET has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. NC: No connection pin (not internally connected)

Functional Features

• Voltage regulation: The MCP1791-5002E/ET regulates the input voltage to provide a stable output voltage within the specified range.
• Overcurrent protection: It incorporates overcurrent protection, preventing excessive current flow and protecting connected devices.
• Thermal shutdown: In case of overheating, the regulator shuts down to prevent damage to itself and other components.

Advantages and Disadvantages

Advantages

• High efficiency ensures minimal power loss during voltage regulation.
• Wide input voltage range allows for versatile applications.
• Low dropout voltage enables efficient power delivery even with small voltage differences.
• Overcurrent protection safeguards connected devices.
• Thermal shutdown protects against overheating.

Disadvantages

• Limited maximum output current of 500mA may not be suitable for high-power applications.
• Requires external components for proper operation.

Working Principles

The MCP1791-5002E/ET operates based on the principle of linear voltage regulation. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage despite changes in the input voltage or load conditions. By controlling the pass transistor, it regulates the voltage across the load.

Detailed Application Field Plans

The MCP1791-5002E/ET finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Embedded systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MCP1791-5002E/ET include: - LM317: A popular adjustable voltage regulator with a wide input voltage range. - LT1083: A high-current linear voltage regulator suitable for demanding applications. - LM1117: A low dropout voltage regulator commonly used in portable devices.

These alternative models provide options based on specific requirements and can be considered as alternatives to the MCP1791-5002E/ET.

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