MCP1703AT-1802E/MB

Product Overview

Category

The MCP1703AT-1802E/MB belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 1.8V
• Maximum Output Current: 250mA
• Low Dropout Voltage: 178mV at 250mA
• Low Quiescent Current: 2.0µA (typical)
• Package Type: SOT-23-3
• Operating Temperature Range: -40°C to +125°C

Package and Quantity

The MCP1703AT-1802E/MB is available in a small SOT-23-3 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: The MCP1703AT-1802E/MB can accept input voltages ranging from 2.7V to 16V.
• Output Voltage: This regulator provides a fixed output voltage of 1.8V.
• Maximum Output Current: The maximum current that can be drawn from the regulator is 250mA.
• Dropout Voltage: The dropout voltage of this device is as low as 178mV at 250mA, ensuring efficient power conversion.
• Quiescent Current: The quiescent current, which is the current consumed by the regulator itself, is typically only 2.0µA.
• Package Type: The MCP1703AT-1802E/MB comes in a compact SOT-23-3 package, allowing for easy integration into various circuit designs.
• Operating Temperature Range: This regulator can operate within a wide temperature range, from -40°C to +125°C, making it suitable for various environments.

Pin Configuration

The MCP1703AT-1802E/MB has three pins arranged as follows:

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| | --| |-- |____| | | |__| ```

1. VIN: Input voltage pin.
2. GND: Ground pin.
3. VOUT: Output voltage pin.

Functional Features

• Voltage Regulation: The MCP1703AT-1802E/MB provides a stable output voltage of 1.8V, regardless of input voltage fluctuations.
• Low Dropout Voltage: With a dropout voltage as low as 178mV at 250mA, this regulator minimizes power loss and improves efficiency.
• Low Quiescent Current: The quiescent current of only 2.0µA ensures minimal power consumption when the regulator is idle.
• Short Circuit Protection: The MCP1703AT-1802E/MB includes built-in short circuit protection, safeguarding the circuit from damage in case of a fault.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage reduces power dissipation and improves efficiency.
• Compact package enables easy integration into space-constrained designs.
• Low quiescent current minimizes power consumption during idle periods.
• Built-in short circuit protection enhances circuit reliability.

Disadvantages

• Limited maximum output current of 250mA may not be sufficient for high-power applications.
• Fixed output voltage of 1.8V may not be suitable for all voltage requirements.

Working Principles

The MCP1703AT-1802E/MB 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 stable output voltage of 1.8V, regardless of variations in the input voltage.

Application Field Plans

The MCP1703AT-1802E/MB finds applications in various electronic circuits where a stable and regulated 1.8V power supply is required. Some common application areas include:

1. Battery-Powered Devices: It can be used in portable devices powered by batteries, such as smartphones, tablets, and portable audio players.
2. Embedded Systems: The regulator can provide a stable voltage source for microcontrollers, sensors, and other components in embedded systems.
3. Communication Systems: It is suitable for powering RF modules, wireless communication devices, and other components in communication systems.
4. Automotive Electronics: The MCP1703AT-1802E/MB can be utilized in automotive electronics for powering various control modules and sensors.
5. Industrial Control Systems: It finds applications in industrial control systems, providing regulated power to PLCs, motor drivers, and other components.

Alternative Models

There are several alternative models available that offer similar functionality to the MCP