MCP1703T-4502E/CB

Product Overview

Category

The MCP1703T-4502E/CB belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 4.5V
• Maximum Output Current: 250mA
• Low Dropout Voltage: 178mV at 250mA
• Low Quiescent Current: 2 µA (typical)
• Operating Temperature Range: -40°C to +125°C

Package

The MCP1703T-4502E/CB comes in a SOT-23 package.

Essence

This voltage regulator is designed to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

The MCP1703T-4502E/CB is typically available in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 4.5V
• Output Current: 250mA (maximum)
• Dropout Voltage: 178mV at 250mA
• Quiescent Current: 2 µA (typical)
• Line Regulation: 0.04% (typical)
• Load Regulation: 0.1% (typical)
• Ripple Rejection: 70 dB (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1703T-4502E/CB 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 regulation even with low input voltages.
• Low quiescent current minimizes power consumption when the regulator is idle.
• Excellent line and load regulation characteristics provide stable output voltage under varying conditions.
• High ripple rejection ratio reduces noise and interference in the output voltage.

Advantages

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage enables efficient operation even with low input voltages.
• Low quiescent current helps conserve power in battery-powered devices.
• Small package size (SOT-23) makes it suitable for space-constrained designs.
• Good line and load regulation characteristics ensure stable output voltage.

Disadvantages

• Limited maximum output current of 250mA may not be sufficient for high-power applications.
• The SOT-23 package may require additional thermal considerations for dissipating heat.

Working Principles

The MCP1703T-4502E/CB is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a constant output voltage.

Detailed Application Field Plans

The MCP1703T-4502E/CB can be used in various applications, including but not limited to:

1. Battery-powered devices: Provides stable voltage for microcontrollers, sensors, and other low-power components.
2. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting applications.
3. Industrial control systems: Ensures reliable voltage supply for PLCs, motor drives, and instrumentation equipment.
4. Consumer electronics: Used in portable devices, audio/video equipment, and home automation systems.

Detailed and Complete Alternative Models

1. MCP1703T-3302E/CB: Output voltage of 3.3V, otherwise similar specifications.
2. MCP1703T-5002E/CB: Output voltage of 5V, otherwise similar specifications.
3. MCP1703T-1802E/CB: Output voltage of 1.8V, otherwise similar specifications.

These alternative models provide different output voltages while maintaining similar characteristics and package options.

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