MCP1703T-2502E/MB

Product Overview

Category

The MCP1703T-2502E/MB belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

• Low dropout voltage
• High output voltage accuracy
• Low quiescent current
• Thermal shutdown protection

Package

The MCP1703T-2502E/MB comes in a small 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-2502E/MB is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 2.5V
• Dropout Voltage: 178mV (typical)
• Output Current: Up to 250mA
• Quiescent Current: 2.0µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1703T-2502E/MB has three pins:

1. VIN (Input Voltage): Connects to the input voltage source.
2. VOUT (Output Voltage): Provides the regulated output voltage.
3. GND (Ground): Connected to the ground reference.

Functional Features

• Low dropout voltage ensures efficient regulation even with low input voltages.
• High output voltage accuracy provides precise voltage regulation.
• Low quiescent current minimizes power consumption when the load is light.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Stable and accurate output voltage regulation.
• Wide input voltage range allows flexibility in various applications.
• Low quiescent current prolongs battery life in portable devices.
• Thermal shutdown protection enhances reliability.

Disadvantages

• Limited output current capability (up to 250mA).
• Higher dropout voltage compared to some other voltage regulators.
• SOT-23 package may require careful handling during soldering.

Working Principles

The MCP1703T-2502E/MB operates by comparing the output voltage with a reference voltage. It adjusts the pass transistor's resistance to maintain a constant output voltage, compensating for changes in input voltage and load conditions. The regulator continuously monitors the output voltage and adjusts its operation accordingly.

Detailed Application Field Plans

The MCP1703T-2502E/MB finds applications in various electronic systems, including:

1. Battery-powered devices: Provides stable voltage regulation for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial control systems: Ensures reliable power supply for sensors, actuators, and microcontrollers in industrial automation.
3. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting controls.
4. Communication equipment: Used in routers, switches, and network devices to maintain consistent voltage levels.
5. Medical devices: Provides regulated power for medical instruments and diagnostic equipment.

Detailed and Complete Alternative Models

1. LM317: A versatile adjustable voltage regulator with a wide input voltage range.
2. LT1763: Low dropout linear regulator with high output accuracy and low quiescent current.
3. TPS7A47: Ultra-low noise, high PSRR voltage regulator suitable for sensitive audio applications.
4. LDO10C: Low dropout voltage regulator with adjustable output voltage and high output current capability.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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