LM98555CCMHX/NOPB

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Power Management Integrated Circuits (PMICs) are specialized integrated circuits that are used for controlling the power consumption of a device or system. The LM98555CCMHX/NOPB is one example of such a device, which is specially designed for providing an accurate, low-power consumption solution for powering digital display devices. This article will outline the application fields and working principles of the LM98555CCMHX/NOPB.

Application Fields

The LM98555CCMHX/NOPB is designed to be placed on the backplane of a digital display device, such as LCD monitors and TVs. Its primary function is to provide an accurate, low-power consumption solution for powering digital display devices. It is an integrated circuit that provides a number of power regulation and programming functions, including providing over-voltage protection, programmable output voltage regulation and independent control of panel and backlight power levels.

The device can also provide power supply sequencing and over-current protection, which prevents any sudden power surges that could damage the power supply or other components. It is designed to allow the user to adjust the power supply to the optimum levels for especially demanding applications. Furthermore, its highly accurate voltage regulation and power management functionalities make it suitable for a wide range of applications.

Working Principle

The LM98555CCMHX/NOPB is based on Linear Technology’s DirectFET MOSFET technology, which provides a high switching frequency and low power consumption. It comprises of two primary components – an integrated buckswitching regulator and a digital power management controller. The regulator is used to control the output voltage, while the controller is used to manage the power supply sequencing and over-current protection.

The power regulation is achieved by the integrated regulator, which switches the MOSFETs of the power supply at a high frequency for achieving low power consumption. The controller is used to provide over-voltage protection by decreasing the voltage when it exceeds the limits. The device is also programmable, allowing the user to customize the voltage levels for different applications.

The LM98555CCMHX/NOPB is designed to offer an effective, low-power solution for powering digital display devices such as LCD monitors and TVs. Its highly accurate programming and regulation capabilities, along with its integrated power management and over-current protection, makes it an ideal choice for such applications.

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