MB39A136PFT-G-BND-ERE1 Integrated Circuits (ICs)

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MB39A136PFT-G-BND-ERE1 Application Field and Working Principle

An MB39A136PFT-G-BND-ERE1 is a DC/DC switching controller within the PMIC (Power Management IC) family. It is designed with very high power efficiency through integrating gate driver and current mode controller operations and provides several options for controlling switching operations. The output voltage and switching frequency are both adjustable, making this device an ideal solution for many demanding applications. It is developed to maximize power management while cutting down on cost.

The MB39A136PFT-G-BND-ERE1 is used in applications requiring DC/DC switching signal controller. Some of the typical applications are relating to low power systems such cell phones, portable medical instruments, home instruments, and industrial applications. This controller is suitable for a wide variety of applications where tight output voltage regulation is required, such as step-up, step-down and inverting DC to DC converter. It could also be used to control low-power LED lighting and solar power inverter.

MB39A136PFT-G-BND-ERE1 Working Principle

The MB39A136PFT-G-BND-ERE1 is a current-mode switching controller that converts an input DC supply into an adjustable output voltage. It contains two main sections: the Power Converter Control Sub-System and the Gate Drive Circuits. The Power Converter Control Sub-System manages the inputs and outputs and senses the output voltage, which is then compared to the reference voltage. It also calculates the duty cycle and feeds the switching signals.

The Gate Drive Circuits, comprised of logic and drive components, receives the signals from the Power Converter Control Sub-System and drives the external power device. This is done by receiving control signals from the Power Converter Control Sub-System and outputting separate drive signals for each power device. This allows the device to control the switching action of both the low-side and the high-side power devices accordingly.

The MB39A136PFT-G-BND-ERE1 DC/DC switching controller features advanced features such as adjustable reference voltage, continuously variable output voltage regulation, non-overlapping gate drive circuits and advanced protection features. The device also features an adjustable switching frequency from few KHz to hundreds of KHz. This allows not only for optimal energy efficiency and short-circuit protection, but also fast output voltage adjustment, which is essential in applications requiring dynamic power management.

The MB39A136PFT-G-BND-ERE1 is a robust and easily programmable device. With its wide input voltage range and adjustable output, it is suitable for a wide variety of applications requiring power conversion and signal control. By providing optimal performance at a fraction of the cost of discrete solutions, this device is a great option for industrial, home and portable applications.

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