BD8963EFJ-E2

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The BD8963EFJ-E2 is a DC/DC switching regulator with integrated P-channel MOSFET that decreases the need for external components. It is a highly efficient, synchronous step-down DC/DC converter ideal for low output voltage application up to 5A. The device operates at switching frequencies up to 1.2MHz, allowing the use of small external components for minimized solution size. A variety of operating modes like user-selectable skip modes, auto skip mode and low noise PWM mode can be selected to optimize the efficiency and control of the device. An external compensation network can also be implemented for greater stability. The BD8963EFJ-E2 device is specially designed for automotive applications, integrating the over-temperature shut down and under-voltage lock out feature for enhanced protection in extreme environment.

Application Field: The BD8963EFJ-E2 is suitable for a wide range of applications including, but not limited to automotive on-board charging systems, automotive and industrial battery-based power supplies, as well as DC-DC power conversion systems. The device certainly has strong automotive automotive endurance capabilities, being able to withstand temperatures as low as -40 °C and up to 150°C and transients of up to 40 V.

Working Principle: The BD8963EFJ-E2 works by efficiently switching the on-board P-channel MOSFET between on and off modes. This enables the device to reduce power losses while regulating the voltage difference with minimal impact on the output current. The device has an adjustable frequency of up to 1.2MHz, giving even better noise reduction. The device also integrates an adjustable oscillator that allows for flexibility in setting the switching frequency, allowing for optimization based on the required output voltage and load.

The BD8963EFJ-E2 provides high efficiency and flexibility, as well as an accurate output voltage and current monitoring. Additionally, the integrated over-temperature shut down and under-voltage lockout feature protects the device when operating in extreme environments. The device operates with a soft start time of up to 250μs, helping to reduce inrush current during start up.

In summary, the BD8963EFJ-E2 is a DC/DC switching regulator with integrated P-channel MOSFET designed for automotive applications, providing high switching frequency and efficient voltage regulation. Additionally, the on-board high-speed switch circuit provides a greater voltage range and enhanced protection. With its wide application range and low external component count, the BD8963EFJ-E2 is an ideal solution for a variety of DC/DC power conversion systems.

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