MCP1703T-1802E/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: 1.8V
• 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 MCP1703T-1802E/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 enables efficient power conversion even with small input-output voltage differentials.
• Low quiescent current ensures minimal power consumption during standby or idle mode.
• High output accuracy provides precise voltage regulation for sensitive electronic components.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows flexibility in various applications. - Small package size (SOT-223) facilitates space-constrained 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 MCP1703T-1802E/MC is a linear regulator that regulates the output voltage by dissipating excess energy as heat. It uses a pass transistor to control the output voltage based on the feedback received from a voltage reference. The dropout voltage is the minimum voltage difference required between the input and output for the regulator to operate correctly.

Detailed Application Field Plans

The MCP1703T-1802E/MC is commonly used in various applications, including: 1. Battery-powered devices: Provides stable voltage supply for microcontrollers, sensors, and other low-power components. 2. Industrial automation: Ensures reliable power management in control systems and sensor networks. 3. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting controls. 4. Consumer electronics: Used in portable devices like smartphones, tablets, and wearable gadgets.

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-3302E/MB: 3.3V output voltage, SOT-223 package
4. MCP1703T-3302E/DB: 3.3V output voltage, DPAK package

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

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