MCP1804T-1802I/OT

Product Overview

Category

The MCP1804T-1802I/OT 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 MCP1804T-1802I/OT provides a regulated output voltage.
• Low dropout voltage: It operates with a low dropout voltage, ensuring efficient power conversion.
• High accuracy: This voltage regulator offers high precision in maintaining the desired output voltage.
• Thermal shutdown protection: It includes built-in thermal shutdown protection to prevent overheating.
• Current limit protection: The MCP1804T-1802I/OT incorporates current limit protection to safeguard against excessive current flow.

Package

The MCP1804T-1802I/OT is available in a small surface-mount package (SOT-23-3).

Essence

This voltage regulator is designed to provide a stable and reliable power supply for various electronic devices.

Packaging/Quantity

The MCP1804T-1802I/OT is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input voltage range: 2.7V to 5.5V
• Output voltage: 1.8V
• Dropout voltage: 210mV at 150mA
• Output current: Up to 150mA
• Line regulation: ±0.2%
• Load regulation: ±0.4%
• Quiescent current: 120µA typical
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The MCP1804T-1802I/OT has three pins:

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

Functional Features

• Voltage regulation: The MCP1804T-1802I/OT maintains a constant output voltage of 1.8V, regardless of input voltage fluctuations.
• Low dropout voltage: It operates efficiently with a low dropout voltage, minimizing power dissipation.
• Thermal shutdown protection: The regulator includes thermal shutdown protection, which activates when the temperature exceeds a safe threshold.
• Current limit protection: It incorporates current limit protection to prevent excessive current flow, ensuring device safety.

Advantages and Disadvantages

Advantages

• High accuracy in voltage regulation.
• Low dropout voltage for efficient power conversion.
• Compact package size for space-constrained applications.
• Built-in thermal shutdown and current limit protection.

Disadvantages

• Limited output current capacity (up to 150mA).
• Requires an input voltage within the specified range (2.7V to 5.5V).

Working Principles

The MCP1804T-1802I/OT utilizes a feedback mechanism to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable 1.8V output. This feedback loop continuously monitors and adjusts the voltage, compensating for any variations in the input or load conditions.

Detailed Application Field Plans

The MCP1804T-1802I/OT finds applications in various electronic devices and systems, including:

1. Battery-powered devices: It ensures a stable power supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Embedded systems: The voltage regulator provides reliable power to microcontrollers, sensors, and other components in embedded systems.
3. Industrial automation: It is suitable for powering control circuits, sensors, and communication modules in industrial automation equipment.
4. Automotive electronics: The MCP1804T-1802I/OT can be used in automotive applications, such as infotainment systems and engine control units.

Detailed and Complete Alternative Models

1. MCP1700T-1802E/TT: This voltage regulator offers similar specifications and features to the MCP1804T-1802I/OT but comes in a different package (SOT-23-3).
2. LM1117-1.8V: A popular alternative with comparable characteristics, available in various package options.
3. LT1761-1.8: This voltage regulator provides high accuracy and low dropout voltage, suitable for demanding applications.

These alternative models can be considered based on specific requirements and availability.

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