MCP1791T-3302E/ET

Product Overview

Category

The MCP1791T-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 MCP1791T-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 MCP1791T-3302E/ET is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 16V
• Output Voltage Range: 3.3V
• Dropout Voltage: 210mV (typical) at 800mA load current
• Output Current: Up to 800mA
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1791T-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 MCP1791T-3302E/ET offers high efficiency, minimizing power loss and maximizing battery life.
• Low Dropout Voltage: With a low dropout voltage, this voltage 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 using external resistors, providing flexibility in different circuit requirements.
• Overcurrent and Thermal Protection: The MCP1791T-3302E/ET incorporates overcurrent and thermal protection mechanisms to safeguard the device and the connected circuitry.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited output current capacity (up to 800mA).
• Requires additional external components for proper operation.

Working Principles

The MCP1791T-3302E/ET operates based on a linear voltage regulation principle. It takes an input voltage within the specified range and regulates it to a stable output voltage of 3.3V. This is achieved by controlling the internal pass transistor, which adjusts the voltage drop across it to maintain the desired output voltage.

Detailed Application Field Plans

The MCP1791T-3302E/ET finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MCP1791T-3302E/ET include: - LM1117-3.3 - LT1763-3.3 - TPS79633

These alternatives provide comparable voltage regulation capabilities and can be considered as substitutes depending on specific requirements.

In conclusion, the MCP1791T-3302E/ET is a high-efficiency voltage regulator with a wide input voltage range and adjustable output voltage. It offers reliable power supply and finds applications in various electronic systems. While it has limitations in terms of output current capacity, it provides essential protection features for device and circuit safety.