LP38693MPX-2.5

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The LP38693MPX-2.5 is a low power linear voltage regulator from TI. It is manufactured using a 0.8 μm CMOS process, providing excellent load and line regulation. The chip can operate fully autonomously, and provides excellent performances in light load conditions. It is also equipped with an internal feedback resistors, allowing users to adjust the output voltage to suit their application requirements.

This device is mainly used in portable and consumer electronics applications, as it offers an optimized solution for outof-regulation (OOR) conditions. It is designed to provide variable output voltage in the range of 2.5 V to 4.5 V, allowing it to be used in a wide range of applications, such as desktop and mobile phones, portable audio systems, and digital cameras.

The LP38693MPX-2.5 features several features that help to ensure reliable, high-quality output power. It offers low ground current, low dropout voltage, low temperature gradient, and high ripple rejection. The chip also includes an internal UVLO (Undergraduates Protection) circuit and thermal shutdown protection, which help to ensure that the chip will not fail in the event of an overcurrent fault or a voltage mismatch.

In terms of working principle, the LP38693MPX-2.5 is a standard, step-down voltage regulator. This means that it takes a higher input voltage and reduces it to a lower output voltage. The device uses an error amplifier circuit to control the internal power MOSFET, which is connected between the input voltage and the output voltage. When the input voltage level is higher than the output voltage level, the power MOSFET will conduct and the regulator will step down the input and output, thus regulating the output voltage.

The LP38693MPX-2.5 also includes an internal power switch, which allows the regulator to be disabled when the system is idle or when the output voltage is not required. This switch can also be used to limit the current when the output voltage is exceptionally high.

In sum, the LP38693MPX-2.5 is an excellent low power linear voltage regulator from TI. It offers adjustable output voltage in the range of 2.5 V to 4.5 V, and its features provide excellent performance in a variety of applications. In addition, the device features an internal error amplifier circuit, an internal UVLO protection circuit, and a robust internal power switch, further enhancing its reliability and versatility.

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