MCP1810T-28I/OT

Product Overview

Category

The MCP1810T-28I/OT belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: The MCP1810T-28I/OT comes in a compact SOT-23 package.
• Essence: It is a low-dropout linear voltage regulator.
• Packaging/Quantity: This product is typically sold in reels, with a quantity of 3000 units per reel.

Specifications

The MCP1810T-28I/OT has the following specifications:

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 2.8V
• Dropout Voltage: 210mV at 100mA
• Maximum Output Current: 100mA
• Line Regulation: ±0.1%
• Load Regulation: ±0.25%
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1810T-28I/OT has three pins:

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

Functional Features

The MCP1810T-28I/OT offers the following functional features:

• Low dropout voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes minimal current when in standby mode, resulting in improved energy efficiency.
• Overcurrent protection: The regulator includes built-in protection against excessive current, safeguarding the circuit from damage.
• Thermal shutdown protection: In case of excessive temperature, the regulator automatically shuts down to prevent overheating.

Advantages and Disadvantages

Advantages

• Compact package size allows for easy integration into space-constrained designs.
• Low dropout voltage ensures efficient power conversion.
• Wide input voltage range enables compatibility with various power sources.

Disadvantages

• Limited maximum output current may restrict its use in high-power applications.
• SOT-23 package may require additional heat dissipation measures in certain scenarios.

Working Principles

The MCP1810T-28I/OT 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 pins. This ensures that the output voltage remains stable, even when the input voltage fluctuates.

Detailed Application Field Plans

The MCP1810T-28I/OT finds application in various electronic devices and systems, including but not limited to:

1. Battery-powered devices: It can be used to regulate voltage in portable electronics such as smartphones, tablets, and wearables.
2. IoT devices: The regulator is suitable for low-power Internet of Things (IoT) devices that require stable voltage supply.
3. Industrial automation: It can be employed in industrial control systems, sensors, and actuators to maintain consistent voltage levels.
4. Automotive electronics: The MCP1810T-28I/OT can be utilized in automotive applications, such as infotainment systems and engine control units.

Detailed and Complete Alternative Models

Some alternative models to the MCP1810T-28I/OT include:

1. MCP1700T-3302E/TT: A 3.3V low-dropout voltage regulator with similar characteristics.
2. MCP1825S-3302E/DB: A 3.3V low-dropout voltage regulator in a different package (SOT-223).

These alternatives offer comparable functionality and can be considered based on specific design requirements.

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