LM2852YMXAX-2.5

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The LM2852YMXAX-2.5 is a low dropout (LDO) voltage regulator which is categorized under PMICs - Voltage Regulators - DC DC Switching Regulators. It is designed to provide a regulated output voltage of 2.5V with a maximum input voltage of 5V. The device is capable of providing up to 130mA of current with a low quiescent current of 5µA.

The LM2852YMXAX-2.5 utilizes a current-mode control architecture which helps to reduce the output voltage ripple, while also providing greater reaction time to external load variations. It features an integrated current sense amplifier and an adjustable soft-start circuit which helps to reduce output voltage overshoot during start-up.

The LM2852YMXAX-2.5 has been designed for a wide range of applications such as embedded systems, battery powered devices, industrial control systems, and cellular telephones. It is available in a range of packages such as the SOT-23-5 and SOT-23-6, as well as a space-saving 16-pin QFN package.

The LM2852YMXAX-2.5 features high PSRR (Power Supply Rejection Ratio) of 60dB at 10kHz, which helps to reduce the power supply noise due to ripple and noise from the output voltage. The device also features overcurrent protection, overvoltage protection, and undervoltage protection, which helps to ensure the safety of the device and the system.

The primary application of the LM2852YMXAX-2.5 is to provide a regulated output voltage from a source with an unstable or varying input voltage. The LM2852YMXAX-2.5 operates by controlling the output voltage by controlling the switching of its internal transistors. The device receives a reference voltage on its feedback pin which is compared to its internal voltage reference. If the feedback voltage is higher than the internal voltage reference, the internal transistors are switched on and off in order to regulate the output voltage.

When the feedback voltage is lower than the internal voltage reference, the internal transistors are switched off and the output voltage is unregulated. The switching frequency of the device is determined by a frequency compensation network that is connected to the feedback pin. The frequency compensation network helps to reduce the effects of load variations on the output voltage.

In summary, the LM2852YMXAX-2.5 is a low dropout voltage regulator designed for embedded systems, battery powered devices, industrial control systems, and cellular telephones. It features a current-mode control architecture which helps to reduce output voltage ripple, and also features overcurrent protection, overvoltage protection, and undervoltage protection features. It is available in a range of packages and operates by regulating the output voltage by controlling the switching of its internal transistors.

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