MCP1703AT-4002E/MC

Basic Information Overview

• Category: Voltage Regulator
• Use: Power management
• Characteristics: Low dropout voltage, low quiescent current, high output accuracy
• Package: SOT-223
• Essence: Linear regulator
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 4.0V
• Dropout Voltage: 178mV at 250mA
• Quiescent Current: 2.0µA typical
• Output Accuracy: ±2%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1703AT-4002E/MC has three pins: 1. VIN (Pin 1): Input voltage pin 2. VOUT (Pin 2): Output voltage pin 3. GND (Pin 3): Ground pin

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption in standby mode.
• High output accuracy provides precise voltage regulation.
• Overcurrent and thermal protection safeguards the device and connected components.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications. - Small package size enables space-saving designs. - Low quiescent current prolongs battery life in portable devices.

Disadvantages: - Limited output current capability may not be suitable for high-power applications. - Higher cost compared to switching regulators.

Working Principles

The MCP1703AT-4002E/MC is a linear regulator that regulates the output voltage by dissipating excess energy as heat. It uses a pass transistor to control the voltage drop across it, maintaining a constant output voltage regardless of input variations.

Detailed Application Field Plans

The MCP1703AT-4002E/MC is commonly used in various applications, including: 1. Battery-powered devices: Provides stable voltage for microcontrollers, sensors, and other low-power components. 2. Automotive electronics: Regulates voltage for automotive modules, such as infotainment systems and lighting controls. 3. Industrial equipment: Ensures reliable power supply for control systems, sensors, and communication modules.

Detailed and Complete Alternative Models

1. MCP1700T-3302E/TT: 3.3V output voltage, SOT-23 package
2. MCP1702T-5002E/CB: 5.0V output voltage, SOT-89 package
3. MCP1702T-1802E/MB: 1.8V output voltage, SOT-223 package

These alternative models offer different output voltages and package options to suit specific application requirements.

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