ADP1828HC-EVALZ

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The ADP1828HC-EVALZ evaluation board from Analogue Devices, Inc. is a DC/DC & AC/DC (Off-Line) SMPS (Switch Mode Power Supply) evaluation board that offers an enclosed two-stage, single-phase power supply. This evaluation board is ideal for applications that require a compact, efficient, and reliable power supply, such as networking, industrial, and portable devices. It is easy to use, cost effective, and can be easily integrated into power system designs.

The ADP1828HC-EVALZ is powered by a single-stage, two-phase, synchronous rectified power factor correction (PFC) AC/DC converter. It consists of an input stage with an input stage rectifier, an auxiliary power supply, a synchronous rectifier, and an output stage with an output stage switch. With a 12 VDC input voltage, the evaluation board can provide an output voltage of up to 24 VDC. It also offers a wide range of protection features that ensure the safe operation of the board.

The evaluation board features a high-efficiency PFC stage consisting of an active clamp and an auxiliary power supply. The active clamp is an active current-source that provides a regulated voltage across the converter. It has a low input current waveform distortion and allows for a low output voltage ripple. The active clamp also ensures the maximum efficiency of the power supply, minimizing the overall power dissipation. The auxiliary power supply provides a low ripple, low noise regulated voltage source for both the active clamp and the output stage.

The synchronous rectifier increases the efficiency of the converter by allowing the converter to operate under hard-switched conditions. This reduces the losses associated with soft-switching and increases the overall efficiency. The output stage of the application board consists of an insulated gate bipolar transistor (IGBT) and a shunt switch. The IGBT and shunt switch are used to control the voltage of the output stage and to provide protection against over-voltage and over-current conditions. The output stage also features an adjustable current limit that can be set with the help of a potentiometer.

The ADP1828HC-EVALZ evaluation board is powered by a micro-controller-based controller that ensures a smooth, reliable operation of the evaluation board. The controller provides protection against over-voltage, over-current, and short-circuiting, allowing for better monitoring and control of the board. It also provides feedback for monitoring the performance of the board, as well as the output voltage, output current, and efficiency.

The ADP1828HC-EVALZ evaluation board is an ideal choice for a variety of low power applications. It is reliable, cost effective, and easy to use. The board is designed to operate efficiently and offers a wide range of features that ensure safe operation of the board, making it an excellent choice for any application requiring an efficient and reliable power supply.

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