MCP1725-1802E/SN

Product Overview

Category

The MCP1725-1802E/SN belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Voltage regulation: The MCP1725-1802E/SN provides a regulated output voltage.
• Efficiency: It offers high efficiency, minimizing power loss during voltage conversion.
• Low dropout voltage: The regulator can operate with a low input-output voltage differential.
• Thermal shutdown protection: It includes built-in protection against excessive heat.

Package

The MCP1725-1802E/SN comes in a small outline package (SN) for easy integration into circuit boards.

Essence

The essence of this product lies in its ability to maintain a stable output voltage despite fluctuations in the input voltage.

Packaging/Quantity

The MCP1725-1802E/SN is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input voltage range: 2.7V to 16V
• Output voltage: 1.8V
• Maximum output current: 150mA
• Dropout voltage: 178mV at 100mA
• Quiescent current: 120µA
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The MCP1725-1802E/SN has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. EN: Enable pin (optional)

Functional Features

• Voltage regulation: The MCP1725-1802E/SN maintains a constant output voltage of 1.8V, regardless of changes in the input voltage.
• Low dropout voltage: It can operate with a small voltage difference between the input and output, minimizing power dissipation.
• Thermal shutdown protection: The regulator includes a thermal shutdown feature that protects it from overheating.
• Enable pin: The optional enable pin allows for easy on/off control of the regulator.

Advantages and Disadvantages

Advantages

• High efficiency, reducing power loss during voltage conversion.
• Small package size, enabling compact circuit designs.
• Wide input voltage range, accommodating various power sources.
• Low quiescent current, minimizing power consumption in standby mode.

Disadvantages

• Limited maximum output current of 150mA, restricting its use in high-power applications.
• Dropout voltage of 178mV may not be suitable for ultra-low voltage applications.

Working Principles

The MCP1725-1802E/SN operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. When the input voltage fluctuates, the regulator compensates by adjusting its internal components to ensure a constant output voltage.

Detailed Application Field Plans

The MCP1725-1802E/SN finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Embedded systems - Automotive electronics

Detailed and Complete Alternative Models

1. MCP1700-1802E/TO: Similar voltage regulator with a different package (TO).
2. MCP1754S-1802E/CB: Higher current variant with a maximum output current of 500mA.
3. MCP1826S-1802E/DB: Ultra-low dropout voltage regulator suitable for low voltage applications.

These alternative models offer similar functionality but may have different specifications or package options to suit specific design requirements.

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