MCP1703A-1202E/DB

Product Overview

Category

The MCP1703A-1202E/DB belongs to the category of voltage regulators.

Use

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

Characteristics

• High precision: The MCP1703A-1202E/DB provides a highly accurate output voltage.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: The regulator consumes minimal current when not delivering power to the load.
• Thermal shutdown protection: It includes built-in protection against excessive temperature.

Package

The MCP1703A-1202E/DB is available in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of this product lies in its ability to maintain a stable output voltage despite variations in the input voltage or load conditions.

Packaging/Quantity

The MCP1703A-1202E/DB is typically packaged in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 1.2V
• Maximum Output Current: 250mA
• Dropout Voltage: 178mV at 100mA
• Quiescent Current: 2.0µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1703A-1202E/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 MCP1703A-1202E/DB ensures a constant output voltage of 1.2V, regardless of input voltage fluctuations.
• Load Regulation: It maintains a stable output voltage even when the load current changes.
• Thermal Shutdown Protection: The regulator shuts down if the temperature exceeds a safe threshold, preventing damage to the device.

Advantages and Disadvantages

Advantages

• High precision and accuracy in voltage regulation.
• Low dropout voltage ensures efficient operation.
• Minimal quiescent current consumption.
• Built-in thermal shutdown protection enhances reliability.

Disadvantages

• Limited maximum output current of 250mA.
• Input voltage range is restricted to 2.7V to 16V.

Working Principles

The MCP1703A-1202E/DB operates as a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 1.2V. It achieves this by dissipating excess voltage as heat, resulting in a low dropout voltage.

Detailed Application Field Plans

The MCP1703A-1202E/DB finds applications in various electronic devices, including:

1. Battery-powered devices: It provides a stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Embedded systems: It ensures reliable power delivery to microcontrollers, sensors, and other components in embedded systems.
3. Automotive electronics: It can be used in automotive applications where a stable voltage is required for powering sensors, actuators, and control modules.

Detailed and Complete Alternative Models

1. MCP1703AT-1202E/CB: Similar to MCP1703A-1202E/DB but available in a different package (SOT-223).
2. MCP1703AT-3302E/DB: A variant with an output voltage of 3.3V, suitable for applications requiring a higher voltage level.
3. MCP1703AT-5002E/DB: Another variant with an output voltage of 5V, suitable for applications requiring a higher voltage level.

These alternative models offer similar functionality but may differ in package type, output voltage, or maximum output current.

In conclusion, the MCP1703A-1202E/DB is a voltage regulator that provides precise and stable voltage regulation. Its low dropout voltage, minimal quiescent current, and thermal shutdown protection make it suitable for various electronic applications. Alternative models are available to cater to different voltage requirements.