STEVAL-ISA114V1

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The STEVAL-ISA114V1 evaluation board is a critical component of DC/DC & AC/DC (Off-Line) SMPS applications. It is designed to help the user to study the performance limits of the transformer, the circuit behavior of a flyback/forward topology of a power converter. The board provides output voltage up to 24 V at 20 W and is designed to need two winding in the transformer, the first winding with auxiliary winding for primary side current sense.

The STEVAL-ISA114V1 evaluation board is powered by a USB cable, the main supply voltage is connected to the printed circuit board by pressure contact terminals. Power for the gate drive is obtained from the power supply to achieve good efficiency. The board has an operating temperature range of 0°C to 85°C.

The features of the STEVAL-ISA114V1 evaluation board are as follows: two windings on the flyback/forward transformer with both windings placed on the same core; electronic protection for temperature, over-load, over-voltage, as well as the switching frequency is adjusted to 14 kHz; adjustable peak current limit from 65 mA to 120 mA; output current limit set to 1.2 A; an input voltage range of 0.9 V to 5.5 V; an efficient power conversion up to 89%, and a drop voltage of 10 mV rms at 25°C.

The STEVAL-ISA114V1 evaluation board also comes with a number of features to ensure maximum performance in the application. The power consuming area is minimized to reduce the board size; a synchronous rectifier is used in place of an active clamp; automatic start and stop functions are included; an adjustable switching frequency of 14 kHz ensures improved EMI; a low quiescent current of 10 mA; an adjustable output voltage of up to 72 V; four different types of output current limits; soft-start and output overtemperature warning functions; optional standby functionality; an adjustable PFM mode; and an efficient synchronous reverse rectifier (SRR) protection for both primary and secondary sides.

The STEVAL-ISA114V1 evaluation board is designed to provide the user with a high level of safety. It features built-in protection from both over current and over voltage conditions, providing reliable and efficient operation even in the case of unexpected power surges. The board also incorporates a low ripple current detector which detects unexpected load variations, preventing possible damage.

In order to maximize the efficiency of the board, the recommended flyback transformer coupling is closed-loop. This will help to reduce the current offset and minimize the output ripple. The board has been carefully designed to ensure the operational safety of the DC/DC & AC/DC (Off-Line) SMPS application, and has also been tested under extreme conditions to ensure the best possible performance.

The STEVAL-ISA114V1 evaluation board can be a great choice for your DC/DC & AC/DC (Off-Line) SMPS applications. It provides a reliable and efficient solution with excellent performance, and is also designed to ensure superior safety and performance in your application.

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