MCP1825S-3002E/DB

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The MCP1825S-3002E/DB is a step-up, fixed Output Voltage Linear Voltage Regulator (PMIC - Voltage Regulators - Linear). This integrated circuit is particularly suitable for battery-powered applications, such as remote sensing and portable equipment, where DC-DC power conversion is necessary. It efficiently boosts input voltages from a single lithium battery up to 3V, allowing for a more effective use of battery power.

The operating principle of MCP1825S-3002E/DB is based on a simple linear regulator circuit, where a differential input voltage is rectified and filtered to provide a DC voltage. Then, a voltage amplifier is used to regulate the input voltage to a stable, predetermined output voltage. The linear regulator works by dissipating the energy difference between input and output voltages, thus regulating the input voltage relative to the output voltage.

The MCP1825S-3002E/DB uses a 0.15A, 10µA input current limit that ensures a low quiescent current battery drain and a guaranteed 45mV maximum dropout voltage that provides enhanced regulation performance. The output voltage is adjustable from 0.9V to 3V, and the maximum adjustable output current is 1A. The device also offers a selectable input voltage range, allowing for better compatibility with power sources and optimized performance.

The device also incorporates a power-on reset for an automatic startup, an overtemperature shutoff, and a short-circuit protection. It includes a load current compensator for precise regulation and improved power dissipation, allowing for an enhanced efficiency and higher reliability in demanding operating conditions. The MCP1825S-3002E/DBis suitable for various applications such as laptop/notebook battery chargers and small, portable or wearable systems.

In conclusion, the MCP1825S-3002E/DB is a linear step-up voltage regulator with adjustable output voltage, wide input voltage range, low quiescent current, power-on reset, over-temperature shutoff, and short-circuit protection. Its efficiency and performance make it suitable for a wide range of battery-powered applications.

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