STEVAL-ISA083V1

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The STEVAL-ISA083V1 is an adjustable high voltage buck converter intended for different applications such as LED lighting, industrial control, telecom cards and gaming systems.

The board operates up to 600 watts with an output voltage selectable or adjustable from 0 to 200 Vdc. It is suitable, for example, for powering high capacitive loads. It includes integrated features such as overvoltage protection, constant voltage mode, short circuit protection and soft start, allowing users to implement a wide range of applications without the need to add additional external components.

In terms of its operating principle, the board works as follows:

The board has a full-bridge single phase rectifier which converts the mains voltage (Single Phase V -N-PE) into DC voltage. This DC voltage is filtered, rectified and regulated by means of an integrated buck converter. The module is digitally controlled and it accepts control pulses through an opto-coupler input whose voltage is sensed by an internal comparator circuit.

The board delivers an adjustable output voltage through an external potentiometer which is connected to the feedback pin. This makes it possible to adjust the output voltage over a range of 0 - 200 VDC. The board also features an ON/OFF control pin that can be used to enable/disable the module or as a 0-10V dimming control. The board is also equipped with a DC amplifier for the output voltage control and a voltage divider for the output voltage sensing.

In terms of its application field, the STEVAL-ISA083V1 can be used in a wide range of applications, including LED lighting, industrial control, telecom cards and gaming systems. It can be used to power high capacitive loads, up to 600 watts, and its adjustable output voltage makes it very versatile.

Overall, the STEVAL-ISA083V1 is an adjustable high voltage buck converter that can be used in a wide range of applications. It is able to deliver an adjustable output voltage of 0-200 VDC and its integrated features such as overvoltage protection, constant voltage mode, short circuit protection and soft start make it very user-friendly.

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