MCP1703AT-3302E/MC

Basic Information Overview

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

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 3.3V
• Dropout Voltage: 178mV at 250mA
• Quiescent Current: 2.0µA typical
• Output Accuracy: ±2%
• Load Regulation: ±0.1% typical
• Line Regulation: ±0.04% typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1703AT-3302E/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 allows operation with small input-output voltage differentials.
• Low quiescent current minimizes power consumption in standby or battery-powered applications.
• High output accuracy ensures precise voltage regulation.
• Excellent load and line regulation provide stability under varying conditions.
• Thermal shutdown and current limit protection enhance device reliability.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables compatibility with various power sources. - Low dropout voltage allows efficient use of available power. - Low quiescent current prolongs battery life in portable applications. - High output accuracy ensures reliable performance of connected devices. - Compact SOT-223 package facilitates space-constrained designs.

Disadvantages: - Limited output current capability compared to switching regulators. - Higher power dissipation due to linear regulation.

Working Principles

The MCP1703AT-3302E/MC is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The dropout voltage is the minimum voltage difference required between the input and output for proper regulation.

Detailed Application Field Plans

The MCP1703AT-3302E/MC finds applications in various electronic devices requiring a stable 3.3V power supply. Some common application fields include: 1. Battery-powered devices: Portable electronics, IoT sensors, wearable devices. 2. Industrial automation: Control systems, motor drives, sensors. 3. Automotive electronics: Infotainment systems, lighting controls, engine management. 4. Communication equipment: Routers, switches, wireless access points. 5. Consumer electronics: Set-top boxes, audio/video equipment, gaming consoles.

Detailed and Complete Alternative Models

1. MCP1703AT-5002E/MB: 5.0V output voltage, SOT-223 package.
2. MCP1703AT-1802E/DB: 1.8V output voltage, SOT-223 package.
3. MCP1703AT-3302E/DC: 3.3V output voltage, DPAK package.
4. MCP1703AT-1202E/MA: 1.2V output voltage, SOT-223 package.
5. MCP1703AT-2502E/FC: 2.5V output voltage, TO-220 package.

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

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