LM2852YMXA-2.5

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The LM2852YMXA-2.5 is a two-phase, synchronous step-down converter in a thermally enhanced, 5-pin TSOT-23 package that is designed specifically for mobile applications. It integrates two pairs of power MOSFETs, two-phase control logic, a low-power operating mode, a dynamic voltage scaling feature, an overvoltage protection circuit, an EN/UVLO circuit, and programmable output voltage precision.

The LM2852YMXA-2.5 is typically used in mobile applications that require a reliable, low-dropout, highly efficient power solution. It is ideal for applications such as wireless base stations, handheld devices, networking equipment, and automotive electronics.

The LM2852YMXA-2.5 is a synchronous buck regulator, also known as a DC-to-DC (step-down) converter. It regulates the output voltage of a DC power supply with a maximum of 18V depending on the input voltage while maintaining a high efficiency and a low output voltage ripple. The device switches between two MOSFETs, one at the output and the other at the input. The differential input voltage is switched between the two devices, allowing the ratio between the output voltage and the input voltage to be controlled.

The LM2852YMXA-2.5 has two operating modes. In the digital control mode, the output voltage is set directly by the user through an external reference voltage or a set of digital signals. In the constant-on-time control mode, the device uses a proportional-integral (PI) controller to regulate the output voltage. The device switches between the two modes depending on the input voltage and the output voltage.

The LM2852YMXA-2.5 has an adjustable overvoltage protection (OVP) circuit. When the output voltage goes above the preset limit, the device shuts off the output voltage and thus prevents damage to the load. The device has an adjustable soft-start feature, which ramps up the output voltage gradually after startup to reduce inrush current and stress on the system components.

The device has a low-power mode, which enables it to enter an ultra-low power sleep mode when there is no load on the output. This reduces power consumption and helps to extend battery life in mobile devices. The device also provides a dynamic voltage scaling (DVS) feature, which optimizes the output voltage for a given load. The DVS feature reduces stress on the power MOSFETs, resulting in improved durability and reliability.

The LM2852YMXA-2.5 is an advanced DC-to-DC step-down converter that is designed for mobile applications. It features two power MOSFETs, two-phase control logic, a low-power operating mode, an adjustable overvoltage protection circuit, a soft-start feature, dynamic voltage scaling, and programmable output voltage precision. The device provides a reliable, low-dropout, highly efficient power solution, making it ideal for applications such as wireless base stations, handheld devices, networking equipment, and automotive electronics.

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