RT9728BHGE

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Power Management Integrated Circuits (PMIC) are made up of several sub-systems that include power distribution switches, load drivers, system monitoring and protection systems, and battery charging and control circuitry. The RT9728BHGE is a PMIC built for applications such as DC/DC converters, LCD backlight control, and battery protection circuits. This PMIC is suitable for a wide range of applications, from home and office equipment to handheld electronics. It is available in a myriad of configurations, from single-channel to multi-channel power regulators, and each has a unique set of features suited for different system designs.

The RT9728BHGE is a power distribution switch IC with an integrated load driver. It is designed to provide a robust, efficient and low power switching solution for various DC/DC power supply applications. It has a built-in control logic, allowing it to automatically detect the type of output voltage and switch the output between ‘High’ and ‘Low’ levels according to the input voltage. This allows the RT9728BHGE to be used in applications where the input voltage can vary from 0 to 5.5V, such as in portable consumer devices.

The RT9728BHGE has two separate inputs, VIN and VSET. VIN is the input voltage that needs to be regulated, while VSET is an internal voltage reference that is internally set to a voltage range between 0.7V and 5.5V according to the user-defined settings. By using these two inputs, the RT9728BHGE can be used to control the output voltage of switch mode DC/DC converters.

The RT9728BHGE also has two separate outputs, OUT and VCC. The output terminals OUT and VCC provide the output voltage of the on/off switch. OUT is the output voltage of the RT9728BHGE and VCC is the supply voltage for the load. These two outputs are only active when the input voltage is above the internal voltage reference. When the input voltage is below the voltage reference, both the OUT and VCC outputs will remain inactive.

The RT9728BHGE also has several built-in protections such as current limiting, short circuit protection, over-temperature protection, and over-voltage protection. Current limiting protection is used to protect the PMIC from too much current, while short circuit protection is used to prevent the PMIC from being destroyed due to excessive current. Over-temperature protection is used to protect the PMIC from operating temperatures that are too high, while over-voltage protection is used to keep the output voltage within its specified operating range.

The RT9728BHGE is an efficient and robust power management integrated circuit (PMIC) suitable for a wide range of DC/DC converter applications. It features an integrated load driver, two separate inputs, two separate outputs, and various built-in protections. With its compact size, low power consumption and wide input voltage range, the RT9728BHGE is an ideal solution for applications such as LCD backlight control and battery protection circuits.

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