MCP1825S-1202E/DB

Product Overview

The MCP1825S-1202E/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 low quiescent current, making it suitable for battery-powered applications. The MCP1825S-1202E/DB is available in a small package, making it ideal for space-constrained designs. It is typically sold in reels or tubes, with varying quantities depending on the manufacturer.

Specifications

• Input Voltage Range: 2.3V to 6.0V
• Output Voltage: 1.2V
• Maximum Output Current: 500mA
• Dropout Voltage: 210mV at 500mA
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The MCP1825S-1202E/DB features a standard 5-pin SOT-223 package with the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. NC (No Connection) 4. VOUT (Output Voltage) 5. EN (Enable)

Functional Features

• Low Dropout Voltage: Ensures efficient regulation even when the input voltage is only slightly higher than the desired output voltage.
• Low Quiescent Current: Minimizes power consumption in standby or idle modes, extending battery life in portable devices.
• Thermal Shutdown Protection: Safeguards the device from overheating, enhancing reliability in demanding environments.

Advantages and Disadvantages

Advantages

• High Efficiency
• Small Package Size
• Wide Operating Temperature Range

Disadvantages

• Limited Maximum Output Current
• Higher Cost Compared to Traditional Linear Regulators

Working Principles

The MCP1825S-1202E/DB operates based on the principle of linear regulation, where it compares the actual output voltage to a reference voltage and adjusts the pass transistor to maintain a stable output. This process ensures that the connected load receives a consistent voltage regardless of variations in the input supply.

Detailed Application Field Plans

The MCP1825S-1202E/DB finds extensive use in various applications, including: - Battery-Powered Devices - Portable Consumer Electronics - Embedded Systems - Industrial Control Systems

Detailed and Complete Alternative Models

• MCP1825S-1202E/AB: Similar specifications with an adjustable output voltage
• LM2937-3.3: Comparable fixed output voltage regulator with higher maximum output current

In conclusion, the MCP1825S-1202E/DB is a reliable voltage regulator suitable for low-power applications, offering high efficiency and compact design. Its performance and features make it a preferred choice for designers seeking stable power solutions in space-constrained and battery-powered devices.

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