BD9D321EFJ-E2

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BD9D321EFJ-E2 is an Adjustable Output Current Step-Down Constant Voltage/Constant Current (CV/CC) DC-DC switching regulator module that can be used in various applications. It is categorized as a PMIC (Power Management Integrated Circuit) with Voltage regulator and DC DC switching regulator features. The power control provides a highly efficient system architecture with excellent electrical performance.The BD9D321EFJ-E2 comprises of an integrated control circuit, an external sense FET (Field Effect Transistor), an external bootstrapping MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) and its associated components. All these components are combined together to provide a compact and cost-effective solution for adjustable output current step-down applications.The BD9D321EFJ-E2 has a typical efficiency of 90%, adjustable output voltage from 3.3V to 24V, and adjustable output current from 0.5A to 4A. It also has built-in protection circuits that are triggered by the output current limit, thermal shut down and short circuit protection.The working principle of the BD9D321EFJ-E2 is based on Pulse Width Modulation (PWM) control. It utilizes a self-oscillation method to regulate the output voltage and current. This allows the device to deliver a regulated output voltage and current at various loading conditions. The module also features an internal voltage feedback loop, which ensures stability and accuracy of the output voltage.In addition, the device can be used in a variety of applications, such as power supply conversion, LED lighting control, battery chargers, and low-power motor control systems. It is especially suited for applications that require a high efficiency, low ripple, and fast transient response. The BD9D321EFJ-E2 can operate in a wide range of temperatures from -40°C to 125°C. It is designed for high performance, reliable operations, and low standby power consumption. Overall, the BD9D321EFJ-E2 offers a highly efficient, adjustable output current step-down constant voltage/constant current DC-DC switching regulator solution for various applications. It has a wide input voltage range and adjustable output voltage and current, providing for a reliable and cost-effective solution for different system requirements.

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