MCP1703T-2502E/DB

Product Overview

Category

The MCP1703T-2502E/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 MCP1703T-2502E/DB has a low dropout voltage, allowing it to operate efficiently even when the input voltage is close to the desired output voltage.
• High output current capability: This voltage regulator can provide a high output current, making it suitable for applications that require significant power.
• Low quiescent current: The MCP1703T-2502E/DB has a low quiescent current, minimizing power consumption when the load is light.
• Thermal shutdown protection: It includes thermal shutdown protection to prevent damage due to excessive heat.

Package

The MCP1703T-2502E/DB is available in a small SOT-23 package, which is widely used in compact electronic devices.

Essence

The essence of the MCP1703T-2502E/DB lies in its ability to regulate voltage levels with high efficiency and reliability.

Packaging/Quantity

This product 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
• Output Current: Up to 250mA
• Dropout Voltage: 178mV (typical) at 250mA
• Quiescent Current: 2.0µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1703T-2502E/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 MCP1703T-2502E/DB provides a stable output voltage of 2.5V, regardless of variations in the input voltage or load conditions.
• Current Limiting: It incorporates current limiting protection to prevent excessive current flow and protect connected devices.
• Thermal Shutdown: The device includes thermal shutdown protection, which shuts down the regulator if the temperature exceeds a safe threshold.

Advantages and Disadvantages

Advantages

• High output current capability allows for powering demanding circuits.
• Low dropout voltage ensures efficient operation even with low input voltages.
• Small package size enables use in compact electronic devices.
• Thermal shutdown protection prevents damage due to overheating.

Disadvantages

• Limited output voltage options, as it is fixed at 2.5V.
• Relatively low quiescent current, which may not be suitable for ultra-low power applications.

Working Principles

The MCP1703T-2502E/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. This allows it to maintain a constant output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The MCP1703T-2502E/DB finds applications in various fields, including:

1. Battery-powered devices: It can be used to regulate voltage in portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial automation: The voltage regulator is suitable for powering control systems, sensors, and actuators in industrial automation applications.
3. Automotive electronics: It can be employed in automotive systems to provide stable power supply for various components, including infotainment systems and sensors.
4. IoT devices: The MCP1703T-2502E/DB is well-suited for powering Internet of Things (IoT) devices, ensuring reliable operation in connected environments.

Detailed and Complete Alternative Models

1. MCP1703AT-3302E/DB: This alternative model provides an output voltage of 3.3V, suitable for applications requiring a higher voltage level.
2. MCP1703BT-1802E/DB: With an output voltage of 1.8V, this alternative model is ideal for low-power applications that require a lower voltage level.
3. MCP1703CT-5002E/DB: This alternative model offers an output voltage of 5.0V, making it suitable for applications that require a higher voltage supply.

These alternative models provide flexibility in choosing the appropriate output voltage for specific application requirements.

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