MCP1701A-1802I/TO

Product Overview

Category

The MCP1701A-1802I/TO belongs to the category of voltage regulators.

Use

It 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 µA (typical)
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• SOT-23 Package

Packaging/Quantity

The MCP1701A-1802I/TO is available in a SOT-23 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 1.8V
• Output Current: Up to 250mA
• Dropout Voltage: 178mV at 250mA
• Quiescent Current: 2 µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23

Detailed Pin Configuration

The MCP1701A-1802I/TO 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 MCP1701A-1802I/TO provides a stable output voltage of 1.8V, regardless of variations in the input voltage.
• Low Dropout Voltage: With a dropout voltage of only 178mV at 250mA, the regulator can operate efficiently even when the input voltage is close to the output voltage.
• Low Quiescent Current: The device has a low quiescent current of 2 µA, minimizing power consumption in standby or idle modes.
• Thermal Shutdown Protection: The MCP1701A-1802I/TO includes thermal shutdown protection, which prevents the device from overheating and ensures safe operation.
• Short Circuit Current Limiting: It features short circuit current limiting to protect the regulator and the connected circuitry from excessive current.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient operation.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection enhances safety.
• Short circuit current limiting protects the device and connected components.

Disadvantages

• Limited maximum output current (250mA) may not be suitable for high-power applications.
• SOT-23 package may require additional space on the PCB compared to smaller packages.

Working Principles

The MCP1701A-1802I/TO is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 1.8V.

Detailed Application Field Plans

The MCP1701A-1802I/TO finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - Embedded systems - IoT devices - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MCP1701A-1802I/TO include: - LM1117-1.8 - LT1763-1.8 - LP2985-1.8 - NCP1117-1.8 - TPS78218

These models provide comparable voltage regulation and similar characteristics, making them suitable alternatives for various applications.

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