MCP1702-2802E/TO

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Linear voltage regulators (LVR) are low-power voltage regulator Integrated circuits that are used to provide a constant output voltage from a varying input voltage with relatively high output current capabilities. The MCP1702-2802E/TO is a member of the Microchip MCP17**** voltage regulator family and is a great example of how to effectively use this technology.

The MCP1702-2802E/TO provides excellent performance in terms of output voltage accuracy, ripple and noise, line and load regulation, and ultra-low, quiescent current consumption. This LVR also provides an ideal material for new reliable System On-Chip (SoC) designs.

The MCP1702-2802E/TO is an ultra-low dropout regulator with an adjustable output voltage allowing up to 1.8 A of output current. The device is based on a BCDMOS process technology, providing excellent PC board thermal performance.

Typical applications for the MCP1702-2802E/TO include low voltage point-of-load regulation, power supply sequencing, power-sensitive microprocessor/microcontroller systems, portable applications, automotive applications, and other applications requiring one or more output voltages with features of adjustment, low dropout, and low quiescent current.

MCP1702-2802E/TO Working Principle

The MCP1702-2802E/TO voltage regulator has a wide range of input voltage, allowing it to be used in most applications. When the input voltage is higher than the output voltage, a small amount of resistance is created in the form of current-sinking power transistors. This allows the regulator to dissipate power that is in excess of the required output without creating a dramatic voltage drop. This allows the regulator to provide a steady output voltage even when the input voltage is changing.

The MCP1702-2802E/TO is a fully-protected and low-dropout voltage regulator (LDVR) designed for high-efficiency, high-current applications in harsh environments. It features an adjustable output voltage from 0.8V to 6.0V with a 1.8A maximum output current. The device provides outstanding dynamic performance, with high ripple rejection, low noise and low temperature drift, and very low quiescent current.

The MCP1702-2802E/TO features a low quiescent current (typically 7mA for the adjustables; several uA for the fixed voltage versions). This also helps to reduce power dissipation and helps the MCP1702-2802E/TO to achieve up to 98% efficiency in some applications.

In addition to its low dropout voltage, the MCP1702-2802E/TO also includes a variety of safety features including overtemperature protection, overvoltage protection and reverse current protection.

Conclusion

The MCP1702-2802E/TO provides a high-performance, low-dropout voltage regulator solution for applications requiring a steady output voltage from a varying input voltage. It is highly efficient, providing up to 98% efficiency in some applications and features a variety of safety features to protect the circuit and the components connected to it.

The device is ideal for low voltage point-of-load regulation, power supply sequencing, power-sensitive microprocessor/microcontroller systems, portable applications, automotive applications, and other applications requiring one or more output voltages with features of adjustment, low dropout, and low quiescent current.

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