MCP1791-3302E/ET

Product Overview

Category

The MCP1791-3302E/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 MCP1791-3302E/ET comes in a compact surface-mount package.

Essence

This voltage regulator is designed to provide stable and reliable power supply to various electronic devices.

Packaging/Quantity

The MCP1791-3302E/ET is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 210mV at 150mA
• Maximum Output Current: 150mA
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1791-3302E/ET has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. EN: Enable pin (active high)

Functional Features

• High Efficiency: The MCP1791-3302E/ET offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage, 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 a wide range of input voltages, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted within a specified range to meet specific requirements.
• Overcurrent and Thermal Protection: The MCP1791-3302E/ET incorporates protection features to prevent damage from overcurrent or excessive temperature.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility.
• Overcurrent and thermal protection ensure device safety.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Dropout voltage may affect performance in low-input voltage scenarios.

Working Principles

The MCP1791-3302E/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, regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

The MCP1791-3302E/ET finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

• MCP1700-3302E/TO: Similar voltage regulator with fixed output voltage of 3.3V
• MCP1826S-3302E/DB: Higher current variant with adjustable output voltage
• MCP1755S-5002E/DB: Fixed output voltage of 5V with higher current capability

These alternative models offer similar functionality and can be considered as substitutes for the MCP1791-3302E/ET in different applications.

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