STEVAL-ISA117V1

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The STEVAL-ISA117V1 is an evaluation board for DC/DC & AC/DC (Off-Line) SMPS. It offers a complete solution for testing, evaluating and optimizing SMPS for applications such as power supply system design and industrial control applications. This evaluation board is suitable for applications where the required input voltage is a nominal 12V and is capable of delivering up to 1kW of power.

The STEVAL-ISA117V1 provides a high efficiency solution for power supply design. It is designed with a low voltage drop between the input voltage and the output voltage. The output voltage has excellent ripple rejection capability and the power factor can be adjusted within a wide operating range. The board is rated for high power operation with temperatures up to 125°C as well as operation at low temperatures down to -40°C.

The board operates on the buck converter topology, which is often used for applications where high efficiency and fast transient response are required. The topology works by using a switch connected between the input and output, which is then controlled by a switch controller. This device is used to regulate the output voltage and current. The system consists of the following devices: a dual-channel MOSFET driver, a power diode (MOSFET), an inductor, a series capacitor, and an input filter.

The STEVAL-ISA117V1 has integrated adjustable overvoltage, undervoltage, overload and overcurrent protection. There is also an integrated voltage supervisor (VS) circuit for monitoring the output voltage. The board can be powered up from a 230VAC main supply and regulated down to 12V. The output voltage of the board can be adjusted from zero up to 6V.

To further optimize performance, the STEVAL-ISA117V1 includes an adjustable current limit circuit for preventing inrush current into the system and a soft-start circuit for reducing startup power consumption. The board also includes an adjustable frequency scaler allowing for optimal switching frequency of the power converter. Furthermore, the board also features pre-regulator circuitry for improved output voltage regulation and for better transient response.

The STEVAL-ISA117V1 can be used to develop, optimize and test DC/DC & AC/DC (Off-Line) SMPS. It is suitable for applications such as power supply system design and industrial control applications. Its high efficiency and fast transient response makes it a great option for those looking for a reliable and cost-effective solution.

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