LM2852YMXAX-1.3

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The LM2852YMXAX-1.3 is a DC-DC switching regulator that belongs to the PMIC voltage regulators category. It is designed to provide a high-efficiency, robust and reliable solution for powering a wide range of applications.

This device is a step-up (boost) DC-DC converter that can provide a regulated output voltage from a low input voltage. It has a wide input voltage range, from 3.5 to 20 V and an adjustable output voltage, up to 20 V. The maximum current available is 2A. It is intended for applications that require a stable output voltage in order to support high-power loads.

The LM2852YMXAX-1.3 is a current mode switching regulator that incorporates all the needed control, protection and monitoring circuitry necessary to provide a reliable solution. Its proprietary control loop guides the output voltage directly, thus improving efficiency and providing improved transient response. The over-temperature protection (OTP) with hysteresis helps protect against over-heating and poor performance.

The LM2852YMXAX-1.3’s operating principle is based on a switch-mode design. The output voltage is sensed and regulated using pulse-width modulation (PWM) technique. A loop control monitors the output voltage and adjusts the switching to keep the output voltage constant. The slew rate of the output is controlled by an internal current-mode ramp generator and the duty cycle is set by the error amplifier. The switching frequency is internally fixed and cannot be adjusted, typically around 1.8MHz.

The device can also provide other features, such as SoftStart to limit inrush current, and overvoltage protection (OVP). There is also an optional power-good (PG) output pin, which can be used to indicate when the output of the regulator is within regulation.

The LM2852YMXAX-1.3 is suitable for powering DC-DC applications such as PC peripherals, servers, RF amplifiers, telecom equipment, industrial control systems and automotive electronics, being capable to provide up to 20V and 2A of output current. The high efficiency and reliable operation of this device make it a great choice for a wide range of applications.

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