MCP1703AT-2802E/DB

Product Overview

Category

The MCP1703AT-2802E/DB belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate voltage levels and ensure stable power supply.

Characteristics

• Low dropout voltage: The MCP1703AT-2802E/DB has a low dropout voltage, allowing it to operate even when the input voltage is close to the desired output voltage.
• High accuracy: This voltage regulator provides precise output voltage regulation, ensuring consistent performance of connected devices.
• Low quiescent current: The MCP1703AT-2802E/DB consumes minimal current when in standby mode, making it suitable for battery-powered applications.
• Thermal shutdown protection: It includes built-in thermal shutdown protection, preventing damage due to excessive heat.

Package

The MCP1703AT-2802E/DB comes in a small surface-mount package, making it suitable for compact circuit designs.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

The MCP1703AT-2802E/DB is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 2.8V
• Maximum Output Current: 250mA
• Dropout Voltage: 178mV (typical)
• Quiescent Current: 2.0µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1703AT-2802E/DB 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

• Voltage Regulation: The MCP1703AT-2802E/DB maintains a constant output voltage of 2.8V, regardless of changes in the input voltage or load conditions.
• Short Circuit Protection: It includes short circuit protection, safeguarding the regulator and connected devices from damage in case of a short circuit.
• Reverse Polarity Protection: This voltage regulator is designed to withstand reverse polarity connection, preventing potential damage.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient operation even with low input voltages.
• High accuracy provides precise voltage regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption in standby mode.
• Thermal shutdown protection prevents overheating and subsequent damage.

Disadvantages

• Limited maximum output current of 250mA may not be suitable for high-power applications.
• Input voltage range of 2.7V to 16V may restrict compatibility with certain systems.

Working Principles

The MCP1703AT-2802E/DB operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By comparing the output voltage with a reference voltage, the regulator adjusts the pass transistor to maintain a stable output voltage.

Detailed Application Field Plans

The MCP1703AT-2802E/DB finds applications in various fields, including:

1. Battery-powered devices: It is commonly used in portable electronics, such as smartphones, tablets, and wearable devices, to ensure stable power supply.
2. Industrial automation: This voltage regulator is suitable for controlling sensors, actuators, and other electronic components in industrial automation systems.
3. Automotive electronics: It can be utilized in automotive applications, such as infotainment systems, lighting controls, and engine management systems.

Detailed and Complete Alternative Models

1. MCP1703AT-3302E/DB: This model provides an output voltage of 3.3V, suitable for applications requiring a higher voltage level.
2. MCP1703AT-5002E/DB: With an output voltage of 5.0V, this alternative model is commonly used in digital circuits and microcontrollers.

(Note: Additional alternative models can be found in the product datasheet or by consulting the manufacturer's website.)

In conclusion, the MCP1703AT-2802E/DB is a voltage regulator that offers low dropout voltage, high accuracy, and thermal shutdown protection. It finds applications in various fields, including battery-powered devices, industrial automation, and automotive electronics. While it has limitations in terms of maximum output current and input voltage range, there are alternative models available to suit different requirements.