MCP1827-1802E/ET

Product Overview

Category

The MCP1827-1802E/ET belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable and reliable power supply.

Characteristics

• Input Voltage Range: 2.3V to 6.0V
• Output Voltage: 1.8V
• Maximum Output Current: 1A
• Low Dropout Voltage: 210mV at 1A
• Low Quiescent Current: 120µA
• Thermal Shutdown Protection
• Short-Circuit Current Foldback
• Available in Fixed Output Voltages

Package

The MCP1827-1802E/ET is available in a small SOT-223 package, making it suitable for space-constrained applications.

Packaging/Quantity

It is typically packaged in reels with a quantity of 1000 units per reel.

Specifications

• Input Voltage Range: 2.3V to 6.0V
• Output Voltage: 1.8V ±2%
• Maximum Output Current: 1A
• Dropout Voltage: 210mV at 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to 125°C
• Thermal Shutdown: Yes
• Short-Circuit Protection: Yes

Detailed Pin Configuration

The MCP1827-1802E/ET has a standard 3-pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. VOUT (Output Voltage)

Functional Features

• Stable Output: Provides a stable 1.8V output voltage even with variations in input voltage and load conditions.
• Low Dropout Voltage: Ensures efficient operation with minimal voltage drop between the input and output.
• Thermal Shutdown Protection: Safeguards the regulator from overheating, enhancing its reliability.
• Short-Circuit Current Foldback: Protects the regulator and the connected circuitry in case of a short-circuit event.

Advantages and Disadvantages

Advantages

• Compact size and SOT-223 package make it suitable for space-constrained designs.
• Low dropout voltage ensures efficient power conversion.
• Thermal shutdown protection enhances reliability and safety.

Disadvantages

• Limited to fixed output voltage of 1.8V, may not be suitable for applications requiring variable output voltages.

Working Principles

The MCP1827-1802E/ET operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a constant 1.8V output, regardless of changes in input voltage or load conditions. It utilizes a series pass element and feedback control to achieve voltage regulation.

Detailed Application Field Plans

The MCP1827-1802E/ET is commonly used in various electronic devices and systems, including: - Battery-powered devices - Portable consumer electronics - Embedded systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the MCP1827-1802E/ET include: - LM1117-1.8 - L78M18CDT - NCP1117ST18T3G - TPS76718QD

In summary, the MCP1827-1802E/ET is a versatile voltage regulator with a compact form factor, efficient performance, and essential protection features, making it suitable for a wide range of electronic applications.

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