LM2852YMXA-1.5

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The LM2852YMXA-1.5 is a power management integrated circuit (PMIC) that is used for voltage regulation. It is part of the family of DC-DC switching regulators and particularly suitable for chip-level voltage regulation.

The LM2852YMXA-1.5 consists of an adaptive on-time step-down switched regulator controller and its associated N-channel MOSFET power FETs. It is an integrated solution that includes features such as external over-current trigger, power switch start-up, loop compensation, and soft-start. This PMIC is available in a thermally enhanced plastic 8-pin SOICN package.

The LM2852YMXA-1.5 is capable of driving up to 1.5A of output current. It has a wide input voltage range of 2.5V to 18V and an adjustable output voltage range of 0.45V to 13.2V. Its switching frequency is adjustable from 200kHz to 1MHz and its efficiency is over 90%.

The working principle of the LM2852YMXA-1.5 is based on pulse-width modulation (PWM) control. It uses a voltage-mode PWM control scheme that works by monitoring the output voltage and adjusting the pulse width generated by an oscillator to more accurately control the output. This results in good load and line regulation, fast transient response and low output voltage ripple. The integrated oscillator is adjustable over a wide frequency range that allows the user to optimize efficiency versus response time.

The LM2852YMXA-1.5 is ideal for applications where high-power density, small solution size, and fast transient response time are important. It is particularly well-suited for mobile devices, tablet PCs, and other consumer electronics which require low-dropout voltage regulation with high efficiency, short voltage transients and small solution size.

The LM2852YMXA-1.5 also features advanced protection features such as output over-voltage protection, internal soft start and over-current limit protection to safeguard the system from damage. It is an extremely reliable and low-noise solution for powering point-of-load supplies and provides a high level of protection from problem conditions such as over-voltage, over-current and short circuits.

In conclusion, the LM2852YMXA-1.5 is a highly efficient and reliable PMIC designed for DC-DC switching-regulator applications. It is capable of delivering up to 1.5A of output current with an adjustable output voltage range of 0.45V to 13.2V. This PMIC features an adjustable frequency range, advanced protection features, and efficient voltage-mode PWM control to ensure reliable sustained performance in a wide range of applications. This makes it a great choice for mobile device and other consumer electronics applications that need an optimized solution with maximum efficiency and reliability.

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