BD9D321EFJ-EVK-101

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Today’s power supplies face changes of faster switching frequencies, higher power levels, more efficient topologies, and tougher requirements for their load transient responses. Designers require an efficient and reliable evaluation board to test their designs against. The BD9D321EFJ-EVK-101 evaluation board is uniquely suited for these types of applications.

The BD9D321EFJ-EVK-101 is an evaluation board designed for DC/DC & AC/DC (Off-Line) SMPS applications. It is equipped with a switching power supply controller, a driver IC, an inductor, and two high voltage MOSFETs to provide up to 100W of output power. Additionally, the board has a wide voltage range of 9V to 42V, making it an ideal solution for many power supply designs.

The board features the BD9D321 high frequency buck controller from Diodes which is designed for use in high-performance, adjustable and synchronous switch-mode power supplies. It integrates a 700V MOSFET, constant frequency current-mode PWM controller, driver, and a wide input range to provide superior performance and efficiency. This makes it an ideal solution for driving both buck and boost applications.

The BD9D321EFJ-EVK-101 board supports a wide range of operating frequencies (800kHz to 2.4MHz) and enables a precise output voltage regulation and excellent dynamic load response. The board is protected against overvoltage conditions, overcurrent and overtemperature. The board also has differential amplifiers for current sense and features a cycle-by-cycle current limiting.

The BD9D321EFJ-EVK-101 is an ideal platform for designers who need to quickly evaluate and test their dc/dc and ac/dc micro-power applications. It is equipped with a power supply with adjustable output and offers a variety of monitoring and protection features. The board is capable of delivering up to 100W of power with an efficiency of up to 97%.

To summarize, the BD9D321EFJ-EVK-101 evaluation board is ideal for dc/dc & ac/dc (off-line) SMPS applications, providing up to 100W of output power with a wide voltage range of 9V to 42V. It integrates a 700V MOSFET, a constant frequency current-mode PWM controller, driver, and a wide input range to provide superior performance and efficiency. Additionally, the board supports a wide range of operating frequencies (800kHz to 2.4MHz) and offers a variety of monitoring and protection features.​

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