MCP1703AT-4002E/CB

Product Overview

Category

The MCP1703AT-4002E/CB belongs to the category of voltage regulators.

Use

This product is commonly used to regulate voltage in electronic circuits.

Characteristics

• Low dropout voltage
• High output voltage accuracy
• Low quiescent current
• Thermal shutdown protection
• Short-circuit current limiting

Package

The MCP1703AT-4002E/CB comes in a small SOT-23 package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage for various electronic applications.

Packaging/Quantity

The MCP1703AT-4002E/CB is typically packaged in reels, with 3000 units per reel.

Specifications

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

Pin Configuration

The MCP1703AT-4002E/CB has three pins:

1. VIN (Input Voltage)
2. VOUT (Output Voltage)
3. GND (Ground)

Functional Features

• Low Dropout Voltage: The MCP1703AT-4002E/CB exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High Output Voltage Accuracy: This voltage regulator provides high accuracy in maintaining the desired output voltage, ensuring reliable performance of connected electronic components.
• Low Quiescent Current: With a low quiescent current, the MCP1703AT-4002E/CB minimizes power consumption when the load is light, making it suitable for battery-powered applications.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, preventing damage due to excessive temperature.
• Short-Circuit Current Limiting: The MCP1703AT-4002E/CB features short-circuit current limiting, protecting the regulator and the connected circuitry from potential damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• Stable and regulated output voltage
• Low dropout voltage ensures efficient regulation
• High output voltage accuracy for reliable performance
• Low quiescent current for power-saving applications
• Thermal shutdown protection prevents overheating
• Short-circuit current limiting protects against damage

Disadvantages

• Limited output current capacity (up to 250mA)
• Restricted input voltage range (2.7V to 16V)

Working Principles

The MCP1703AT-4002E/CB operates as a linear voltage regulator. It takes an input voltage within the specified range and provides a regulated output voltage of 4.0V. The device uses a feedback mechanism to continuously adjust its internal circuitry, ensuring that the output voltage remains stable even with varying input voltages and load conditions.

Detailed Application Field Plans

The MCP1703AT-4002E/CB finds application in various electronic systems where a stable and regulated voltage is required. Some common application fields include:

1. Battery-powered devices: This voltage regulator is suitable for portable electronic devices such as smartphones, tablets, and wearable gadgets, where efficient power management is crucial.
2. Industrial automation: The MCP1703AT-4002E/CB can be used in industrial control systems, providing reliable voltage regulation for sensors, actuators, and other components.
3. Automotive electronics: In automotive applications, this voltage regulator ensures stable voltage supply to various subsystems, including infotainment systems, lighting modules, and control units.
4. IoT devices: With its low quiescent current and compact package, the MCP1703AT-4002E/CB is ideal for powering Internet of Things (IoT) devices that require long battery life and efficient power management.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with a fixed output voltage of 3.3V.
2. LT1763: Offers adjustable output voltage and higher output current capability.
3. TPS7A4700: Provides ultra-low dropout voltage and high PSRR (Power Supply Rejection Ratio).

These alternative models offer similar functionality to the MCP1703AT-4002E/CB but may have different specifications and package options.

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