MCP1791T-3002E/ET

Introduction

The MCP1791T-3002E/ET is a voltage regulator belonging to the category of integrated circuits. It is commonly used in electronic devices to regulate voltage and ensure stable power supply to various components.

Basic Information Overview

• Category: Integrated Circuit
• Use: Voltage Regulation
• Characteristics: High Efficiency, Low Dropout Voltage
• Package: TO-220, TO-263
• Essence: Regulating Voltage for Electronic Devices
• Packaging/Quantity: Varies by Manufacturer

Specifications

• Input Voltage Range: 3V to 16V
• Output Voltage: 3.3V
• Output Current: 0.8A
• Dropout Voltage: 210mV at 800mA
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The MCP1791T-3002E/ET has a standard pin configuration with input, output, and ground pins, as well as additional pins for enable and feedback.

Functional Features

• High Efficiency: The voltage regulator offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 210mV at 800mA, it ensures efficient operation even with small voltage differentials.
• Overcurrent Protection: The device includes overcurrent protection to safeguard connected components from excessive current flow.

Advantages and Disadvantages

Advantages

• Efficient voltage regulation
• Low dropout voltage
• Overcurrent protection

Disadvantages

• Limited output current capacity
• Sensitive to input voltage fluctuations

Working Principles

The MCP1791T-3002E/ET operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a stable output voltage. It utilizes feedback control to achieve the desired output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The MCP1791T-3002E/ET is widely used in applications requiring precise voltage regulation, such as: - Battery-powered devices - Embedded systems - Portable electronics - Automotive electronics

Detailed and Complete Alternative Models

• MCP1700: Offers similar voltage regulation capabilities with lower quiescent current.
• LM317: Provides adjustable output voltage with higher output current capacity.

In conclusion, the MCP1791T-3002E/ET is a reliable voltage regulator suitable for various electronic applications, offering high efficiency and stable voltage regulation within a compact package.

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