MCP1825S-1802E/DB

Product Overview

The MCP1825S-1802E/DB belongs to the category of voltage regulators and is commonly used to provide a stable output voltage for various electronic devices. This device is known for its high efficiency, low dropout voltage, and excellent line and load transient response. The package type for the MCP1825S-1802E/DB is a 5-Lead SOT-223, and it is available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.3V to 6.0V
• Output Voltage: 1.8V
• Maximum Output Current: 500mA
• Dropout Voltage: 210mV at 500mA
• Line Regulation: 0.2%
• Load Regulation: 1.0%
• Quiescent Current: 120μA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The MCP1825S-1802E/DB has a standard 5-pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. VOUT (Output Voltage) 4. NC (No Connection) 5. EN (Enable)

Functional Features

• Low Dropout Voltage
• High PSRR (Power Supply Rejection Ratio)
• Thermal Shutdown Protection
• Short-Circuit Current Limiting
• Reverse Current Protection

Advantages and Disadvantages

Advantages

• High Efficiency
• Wide Input Voltage Range
• Small Package Size
• Excellent Line and Load Transient Response

Disadvantages

• Limited Maximum Output Current
• Higher Quiescent Current Compared to Some Alternatives

Working Principles

The MCP1825S-1802E/DB operates by comparing the reference voltage with the feedback voltage to regulate the output voltage. It uses a series pass element to control the output voltage and maintain stability under varying input and load conditions.

Detailed Application Field Plans

The MCP1825S-1802E/DB is widely used in battery-powered applications, portable devices, and other systems requiring a regulated power supply. Its low dropout voltage and high efficiency make it suitable for applications where extended battery life and minimal power dissipation are critical.

Detailed and Complete Alternative Models

Some alternative models to the MCP1825S-1802E/DB include the LM1117, LT1763, and TPS7A47, each with its own set of specifications and features. These alternatives offer different trade-offs in terms of maximum output current, dropout voltage, and package size, providing flexibility for various design requirements.

In conclusion, the MCP1825S-1802E/DB is a reliable voltage regulator with excellent performance characteristics, making it suitable for a wide range of electronic applications.

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