STEVAL-ISA159V1

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The STEVAL-ISA159V1 evaluation board of the STEVAL-ISA159V1 devices uses a unique combination of patented control techniques, along with the very latest components and technology to improve system efficiency. This device, part of the "Energy save" series of wall adapter applications, offers a full range of features, with a maximum output current of up to 1.5A.

STEVAL-ISA159V1 products are classified under the "DC/DC & AC/DC (Off-Line) SMPS" evaluation boards. This evaluation board is designed to power small to medium sized applications. It has a maximum output current of up to 1.5A, a maximum total power provision of up to 15W, and a power supply voltage range of 4.5V to 28V.

The STEVAL-ISA159V1 evaluation board features a synchronous buck converter combined with a hysteretic PFC Controller. This combination provides the most efficient overall system power conversion, while eliminating the need for a dedicated front-end power factor correction stage. Hysteretic PFC controllers help to reduce total system cost and complexity, while achieving high power efficiency, and protection from low or high-frequency ringing at the switch node.

The STEVAL-ISA159V1 works on the principle of buck-boost conversion. This converts a DC input voltage into a DC output voltage of many different levels. The STEVAL-ISA159V1 uses a sophisticated digital control loop. This loop reacts quickly to small load variations, maintaining the output voltage over a wide range. In addition to that, the STEVAL-ISA159V1 features various safeguards to prevent different kinds of excessive power dissipation, output current disable and current sense inputs.

The STEVAL-ISA159V1 is also equipped with multiple protections, such as thermal protection, over-current protection (OCP) and undervoltage lockout (UVLO). It also includes a wide range of safety features such as a unique protection against short-voltage transients by adopting a precise turn-off event. Furthermore, the STEVAL-ISA159V1 is featured with a high switching frequency of 1.2 MHz which facilitates smaller passive components and also offers better EMI performance.

The STEVAL-ISA159V1 is specifically designed for use in various applications such as wall adapters, LCD TV power supply, set-top boxes and gaming consoles, and lighting equipment, as well as small power supplies. This evaluation board is a suitable tool for the development of cost-effective DC/DC & AC/DC (Off-Line) SMPS. It is also a great choice for engineers who are designing a wide range of power applications. This board is one of the most powerful and reliable solutions for power electronics today.

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