STK760-712A-E

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Power Factor Correction (PFC) is an advanced power electronic technology that improves the efficiency, stability and performance of the electricity grid by increasing the power quality of the electricity supplied by a power supply. The STK760-712A-E is a mains-powered, high-capacity input/output transistor-sourced Power Factor Correction (PFC) IC which is capable of providing up to 600W output power.

The STK 760-712A-E IC provides reliable and accurate PFC conversion efficiency enabling robust, efficient, and low cost systems that meet multiple power requirements. This PFC IC incorporates an under-voltage lockout (UVLO) detection circuit to protect the PFC converter from incorrect voltage levels and to ensure that the working voltage stays within the operating range. Additionally, an temperature-compensated current limiting protection feature is built in to the IC to prevent any overcurrent conditions.

The STK760-712A-E is designed for applications such as Critical Infrastructure, Telecommunication, Industrial, Automation, and Intelligent Infrastructure. In Critical Infrastructure, the IC is typically employed to provide stable power, high efficiency, and reliable operation of equipment including Terminal Controllers, Control Boards, and Sensors. In the Automation segment, the IC is used in various devices such as Fieldbus, Control and automation, and Modular Automation. Furthermore, in Telecommunications the STK-760-712A-E is used for Remote Network Controllers, Radio Gateways, and Microwave Transmitters and Receivers.

The STK-760-712A-E has an operating voltage between 4.2V and 20V. It includes an input voltage regulator, a PFC inductor, an output switch, and an output filter. It is designed with four loop control circuits that ensure high convergence speed and accurate voltage regulation at all load or line conditions. The IC has a high power efficiency and is capable of providing up to 600W output power with a system efficiency up to 90%. It is also designed with thermal protection features to ensure a safe operation.

The STK-760-712A-E is very easy to implement and is readily available. It allows a wide range of components such as resistors, MOSFETs, and capacitors to be used in the design. It also includes an adjustable voltage over-voltage protection function which provides an adjustable under-voltage protection threshold. The IC also supports on/off control and has a wide input/output voltage range that allows it to be used in a variety of applications.

In summary, the STK-760-712A-E is an excellent power factor correction IC, which offers both performance and reliability for all kinds of applications, ranging from telecommunications to industrial automation to critical infrastructure. It is cost-effective and easily implemented. Key features of the IC include a wide input and output voltage range, adjustable voltage over-voltage protection, thermal protection features and an under-voltage lockout detection circuit.

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