MCP1791-3002E/ET

Product Overview

Category

The MCP1791-3002E/ET belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• High efficiency
• Low dropout voltage
• Wide input voltage range
• Adjustable output voltage
• Overcurrent and thermal protection

Package

The MCP1791-3002E/ET comes in a compact surface-mount package.

Essence

This voltage regulator provides stable and reliable power supply for various electronic devices.

Packaging/Quantity

The MCP1791-3002E/ET is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 4.5V to 16V
• Output Voltage Range: 0.8V to 6.0V
• Maximum Output Current: 3A
• Dropout Voltage: 210mV at 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1791-3002E/ET has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. FB (Feedback)
4. EN (Enable)
5. VOUT (Output Voltage)

Functional Features

• High Efficiency: The MCP1791-3002E/ET exhibits high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 210mV at 1A, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: It can accept input voltages ranging from 4.5V to 16V, making it suitable for a wide range of applications.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.8V to 6.0V, providing flexibility for different circuit requirements.
• Overcurrent and Thermal Protection: The MCP1791-3002E/ET incorporates protection mechanisms to prevent damage from overcurrent conditions and excessive heat.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides versatility for different applications.
• Overcurrent and thermal protection ensure device safety.

Disadvantages

• Limited maximum output current of 3A may not be sufficient for high-power applications.
• Dropout voltage of 210mV at 1A may result in some power loss.

Working Principles

The MCP1791-3002E/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 variations in the input voltage or load conditions. By regulating the voltage, it ensures that the connected electronic devices receive a consistent and reliable power supply.

Detailed Application Field Plans

The MCP1791-3002E/ET finds applications in various fields, including:

1. Consumer Electronics: Powering portable devices such as smartphones, tablets, and digital cameras.
2. Industrial Automation: Providing regulated power for control systems, sensors, and actuators.
3. Automotive Electronics: Supplying stable voltage to automotive components like infotainment systems, lighting modules, and engine control units.
4. Telecommunications: Regulating voltage for networking equipment, routers, and communication devices.
5. Renewable Energy Systems: Ensuring stable power supply in solar panels, wind turbines, and battery charging systems.

Detailed and Complete Alternative Models

1. MCP1790-3002E/ET: Similar to the MCP1791-3002E/ET, but with a fixed output voltage of 3.3V.
2. MCP1792-5002E/ET: Offers a higher maximum output current of 5A for applications requiring more power.
3. MCP1793-1502E/ET: Provides a lower dropout voltage of 150mV at 1A, reducing power loss even further.

These alternative models offer similar functionality and characteristics, catering to specific requirements within the voltage regulator category.

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