MCP1726-1202E/MF

Product Overview

Category

The MCP1726-1202E/MF belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 20V
• Output Voltage: 1.2V
• Maximum Output Current: 1A
• Low Dropout Voltage: 500mV at 1A
• Low Quiescent Current: 120µA
• Thermal Shutdown Protection
• Short-Circuit Current Limiting
• Adjustable Output Voltage
• Small Package Size: SOT-23-5

Package and Quantity

The MCP1726-1202E/MF is available in a small SOT-23-5 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input Voltage Range: 2.7V to 20V
• Output Voltage: 1.2V
• Output Current: Up to 1A
• Dropout Voltage: 500mV at 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Pin Configuration

The MCP1726-1202E/MF has the following pin configuration:

```

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| | --| VIN VOUT |-- --| GND NC |-- |___________| ```

Functional Features

• Input Voltage Regulation: The MCP1726-1202E/MF regulates the input voltage within the specified range.
• Output Voltage Regulation: It provides a stable output voltage of 1.2V.
• Low Dropout Voltage: The regulator maintains a low dropout voltage of 500mV at 1A load.
• Low Quiescent Current: It has a low quiescent current of 120µA, reducing power consumption.
• Thermal Shutdown Protection: The MCP1726-1202E/MF includes thermal shutdown protection to prevent overheating.
• Short-Circuit Current Limiting: It features short-circuit current limiting to protect the circuit from excessive current.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Small package size enables space-saving designs.
• Thermal shutdown protection enhances reliability.
• Short-circuit current limiting protects the circuitry.

Disadvantages

• Limited output voltage options (fixed at 1.2V).
• Maximum output current limited to 1A.

Working Principles

The MCP1726-1202E/MF operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a stable output voltage of 1.2V. The regulator uses internal circuitry to maintain the desired output voltage even when the input voltage fluctuates. It achieves this by adjusting the resistance in the circuit to compensate for changes in load conditions.

Application Field Plans

The MCP1726-1202E/MF is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: It provides a stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial control systems: The regulator ensures consistent voltage levels in industrial automation equipment and control systems.
3. Automotive electronics: It is suitable for automotive applications that require regulated voltage for sensors, actuators, and other components.
4. IoT devices: The MCP1726-1202E/MF can be utilized in Internet of Things (IoT) devices, providing reliable voltage regulation for sensors and communication modules.

Alternative Models

Here are some alternative models that offer similar functionality:

1. MCP1702-1202E/TO: Fixed 1.2V output voltage, SOT-23 package.
2. LM1117-1.2: Adjustable output voltage, TO-220 package.
3. LT1761ES5-1.2: Low dropout voltage, fixed 1.2V output, SOT-23 package.

These alternatives can be considered based on specific requirements and design constraints.

In conclusion, the MCP1726-1202E/MF is a voltage regulator with a wide input voltage range, low dropout voltage, and small package size. It provides stable 1.2V output voltage and is suitable for various applications in different industries. While it has limitations in terms of output voltage options and maximum current, it offers advantages such as thermal shutdown protection and short-circuit current limiting. Designers can also consider alternative models depending on their specific needs.