MCP1726T-ADJE/MF

Product Overview

Category

The MCP1726T-ADJE/MF 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 20V
• Output Voltage Range: Adjustable from 0.8V to 5.5V
• Maximum Output Current: 1A
• Low Dropout Voltage: 500mV at 1A
• Low Quiescent Current: 120µA
• Thermal Shutdown Protection
• Short-Circuit Current Limiting
• Overcurrent Protection
• Small Package Size: SOT-23-5

Packaging/Quantity

The MCP1726T-ADJE/MF is available in a small SOT-23-5 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.7V to 20V
• Output Voltage Range: Adjustable from 0.8V to 5.5V
• Maximum Output Current: 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 MCP1726T-ADJE/MF has the following pin configuration:

```

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| | --|V IN|-- Pin 1 (Input Voltage) --| | --|V OUT|- Pin 2 (Output Voltage) --| | --|GND |- Pin 3 (Ground) --| | --|EN |- Pin 4 (Enable) --| | --|FB |- Pin 5 (Feedback) |____| ```

Functional Features

• Wide Input Voltage Range: The MCP1726T-ADJE/MF can accept input voltages ranging from 2.7V to 20V, making it suitable for a variety of applications.
• Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to 5.5V, providing flexibility in different circuit requirements.
• Low Dropout Voltage: With a dropout voltage of only 500mV at 1A, this regulator minimizes power loss and improves efficiency.
• Low Quiescent Current: The quiescent current of 120µA ensures minimal power consumption during standby or idle periods.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Short-Circuit Current Limiting: It features short-circuit current limiting to protect the circuit in case of a fault.
• Overcurrent Protection: The MCP1726T-ADJE/MF includes overcurrent protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile application scenarios.
• Adjustable output voltage provides flexibility in various circuit designs.
• Low dropout voltage minimizes power dissipation and enhances efficiency.
• Low quiescent current reduces power consumption during idle periods.
• Thermal shutdown protection prevents damage from overheating.
• Short-circuit current limiting protects the circuit from faults.
• Overcurrent protection ensures safe operation.

Disadvantages

• Limited maximum output current of 1A may not be sufficient for high-power applications.
• SOT-23-5 package may limit heat dissipation capabilities in certain situations.

Working Principles

The MCP1726T-ADJE/MF is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It compares the feedback voltage (FB pin) with a reference voltage to adjust the pass transistor's resistance and regulate the output voltage. The enable pin (EN) controls the regulator's operation, allowing it to be turned on or off as required.

Detailed Application Field Plans

The MCP1726T-ADJE/MF can be used in various applications, including but not limited to: 1. Battery-powered devices: Provides regulated voltage for portable electronics, such as smartphones, tablets, and wearable devices. 2. Automotive electronics: Ensures stable power supply for automotive modules, sensors, and control systems. 3. Industrial equipment: Suitable for powering microcontrollers, sensors, and other components in industrial automation systems. 4. Communication systems: Regulates voltage for wireless communication devices, routers, and network equipment. 5. IoT devices: Enables reliable power supply for Internet of Things (IoT) devices, such as sensors, actuators, and smart home appliances.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable linear voltage regulator with a wide input voltage range and adjustable output voltage.
2. LT1084: