MIC38C44-1BM

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Power management integrated circuits (PMICs) are a family of integrated circuits used in a wide variety of applications that require power management. Within the PMIC family, AC/DC converters, offline switchers and voltage regulators are widely used in off-line applications such as consumer and industrial control, telecommunication and automotive systems. One such device is the MIC38C44-1BM a high-efficiency, secondary-side synchronous rectified buck converter, High-Current Very Low-Dropout (VLDO) Regulator.The MIC38C44-1BM is designed to supply a high-current load from an input voltage of up to 28V and to deliver up to 9A of output current. The device has a wide range of adjustable output voltages, allowing it to be used in a variety of applications. The buck converter has a synchronous rectified topology and employs a high-frequency voltage-mode pulse-width-modulation (PWM) control scheme to regulate the output voltage. It offers low output voltage ripple, low power consumption, and a fast transient response. In addition, the device features integrated over-current, short-circuit and thermal protection, as well as an enable/disable control.The device includes an integrated MOSFET switch and protection circuitry on the primary side and a synchronous rectified MOSFET on the secondary side. The device incorporates a P-channel MOSFET and an N-channel MOSFET, which are used to build a synchronous rectification bridge circuit. This bridge circuit ensures that no DC current flows through the secondary side MOSFET, which increases the device\'s efficiency at higher loads.The MIC38C44-1BM also features an adjustable output voltage. The output voltage range is from 0.6V to 28V, allowing the device to be used in different types of applications. The output voltage is adjustable using an external resistance divider. The output voltage can be programmed by adjusting the external feedback resistors.The device also has a wide input voltage range of 7V to 28V and can be operated up to 200 MHz, allowing for higher efficiency. The small size of the device and the high-frequency operation enable design engineers to reduce the size of the system and reduce the overall power consumption.The MIC38C44-1BM is an excellent choice for applications that require high efficiency and accurate output voltage regulation. It is suitable for diverse consumer electronics, automotive, telecommunication and industrial control applications. The device is available in a 4 x 4 mm leadless quad-flat-no-lead (LQFN) package and is an excellent choice for space-constrained designs.In summary, the MIC38C44-1BM is an ideal choice for a wide range of AC/DC applications. It provides high efficiency, wide power supply and low power consumption along with excellent output voltage regulation. Additionally, the device is small and space-efficient, making it perfect for dense, high power applications.

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