SIP12109DB

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The SIP12109DB Evaluation Boards – DC/DC & AC/DC (Off-Line) SMPS is a power product used for applications ranging from the power transmission of industrial equipment all the way to consumer electronics. The purpose of this product is to not only provide a high efficiency power solution but to also ensure a high standard of reliability. This article will explain the applications and working principles of the SIP12109DB.

The SIP12109DB is highly suitable for industrial and consumer applications. It is designed with an A-TERM, which is a terminal for a load current that can handle up to 6A and is optimized for a wide range of output voltages. It is also designed with a wide input voltage range, extending from 100 to 500 Volts and a wide output power range, from 3W to 24W. The high power and versatile input power make the SIP12109DB suitable for other high power applications.

The SIP12109DB also features a patented IR switch technology. This IR switch provides a high level of power efficiency, allowing the SIP12109DB to achieve a typical efficiency of 90%. It is also highly reliable due to its low power consumption and a broad operating temperature range. The SIP12109DB is also equipped with a high switching frequency, from 40kHz to 180kHz, that can provide a fast load response time.

The working principle of the SIP12109DB is based on a push-pull topology. It operates as a Buck converter, where the inductor current will be used to provide a regulated dc output voltage and the switch side voltage. There are two switches in the circuit, which sandwitch two diodes for the energy transfer. When the switches are off, the inductors will continue to provide energy to the load. The SIP12109DB has an inner current loop that will monitor the output voltage and adjust the switch duty cycle accordingly.

The SIP12109DB includes built-in protections that are designed to protect both the end user and the power product itself. The built-in protection circuits include over-voltage, over-temperature, and under-voltage protection. The protections can be enabled or disabled through the external pins. The SIP12109DB also has an external shutdown input, which can be used to reduce the output voltage.

In conclusion, the SIP12109DB Evaluation Boards – DC/DC & AC/DC (Off-Line) SMPS is an advanced power product that is suitable for different high power applications. It features an A-TERM terminal, IR switch technology, a wide input voltage range, and an adjustable switching frequency. It also includes built-in protections, allowing for a safe and reliable operation. The working principle is based on push-pull topology and Buck converter technology.

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