MCP1702T-1802E/CB

Product Overview

The MCP1702T-1802E/CB is a low dropout (LDO) voltage regulator belonging to the category of integrated circuits. It is commonly used to regulate voltage in various electronic devices and systems. The MCP1702T-1802E/CB is known for its high accuracy, low quiescent current, and low dropout voltage, making it suitable for battery-powered applications. This device is available in a compact SOT-23 package and is designed to provide stable and reliable voltage regulation.

Basic Information

• Category: Integrated Circuits
• Use: Voltage Regulation
• Characteristics: High accuracy, low quiescent current, low dropout voltage
• Package: SOT-23
• Essence: Stable and reliable voltage regulation
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Input Voltage Range: 2.3V to 6.0V
• Output Voltage: 1.8V
• Maximum Output Current: 250mA
• Dropout Voltage: 525mV at 250mA
• Quiescent Current: 2.0µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The MCP1702T-1802E/CB features a standard SOT-23 pin configuration with three pins: Vin (input), Vout (output), and GND (ground).

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| | | | Vin | Vout | |_________|_________| | | | GND | |_________| ```

Functional Features

• Low Dropout Voltage: Enables the MCP1702T-1802E/CB to regulate output voltage even when the input voltage is only slightly higher than the desired output voltage.
• Low Quiescent Current: Ensures minimal power consumption when the device is in standby or idle mode.
• High Accuracy: Provides precise and stable output voltage, suitable for sensitive electronic components.

Advantages and Disadvantages

Advantages

• Low dropout voltage allows for efficient regulation in low-power scenarios.
• Low quiescent current prolongs battery life in portable devices.
• High accuracy ensures reliable performance in precision applications.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• SOT-23 package may pose challenges for heat dissipation in certain designs.

Working Principles

The MCP1702T-1802E/CB operates by comparing the reference voltage with the feedback voltage to adjust the pass transistor, ensuring that the output voltage remains constant regardless of variations in the input voltage or load conditions. This mechanism enables stable and accurate voltage regulation within the specified parameters.

Detailed Application Field Plans

The MCP1702T-1802E/CB is widely used in battery-powered devices such as portable electronics, IoT devices, and wearable technology. Its low dropout voltage and low quiescent current make it suitable for applications where power efficiency and extended battery life are crucial. Additionally, it finds use in sensor nodes, data loggers, and other energy-sensitive systems where precise voltage regulation is essential.

Detailed and Complete Alternative Models

• MCP1700T-1802E/MB: Similar specifications with different packaging (SOT-89)
• MCP1703T-1802E/CB: Higher maximum output current (250mA) with similar characteristics
• MCP1700T-3302E/TT: Different output voltage (3.3V) with comparable features

In conclusion, the MCP1702T-1802E/CB offers reliable voltage regulation with low dropout voltage and quiescent current, making it an ideal choice for battery-powered applications requiring precision and efficiency.

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