PI3109-01-EVAL1

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The PI3109-01-EVAL1 evaluation board is designed specifically for DC/DC and AC/DC (offline) SMPS applications. It utilizes a high-performance proprietary controller, featuring a fixed frequency, current-mode control architecture and a self-protected proprietary feedback circuitry, to accurately adjust the output voltage with a current-mode feedback loop. The board also allows easy adjustment of switching frequency, soft start time, and over-voltage protection.

Benefits of the PI3109-01-EVAL1

The PI3109-01-EVAL1 provides many benefits for design engineers in terms of simplified design and system optimization. It is designed for applications where high output voltage accuracy is of paramount importance. Furthermore, the board eliminates the need for a plethora of external components, thereby considerably reducing overall system complexity and cost. Additionally, the integrated feedback circuitry ensures tight output voltage regulation, high creep compensation, and low line regulation accuracy.

Working Principle

The PI3109-01-EVAL1 operates on a fixed frequency, current mode control architecture. Its proprietary feedback circuitry is used to accurately control the output voltage by monitoring the current output across the switching device. The feedback circuitry modulates the output voltage by varying its duty cycle, thereby enabling users to achieve very high accuracy in their applications. A voltage feedback is also incorporated into the board to provide additional protection against over-voltage situations. The frequency of the PI3109-01-EVAL1 can be selected by the user and is adjustable up to a maximum of 400kHz. Its integrated soft start time is also adjustable up to 500ms.

Application Fields

The PI3109-01-EVAL1 is ideal for a range of applications, including DC/DC and AC/DC (off-line) SMPS. It is suitable for applications such as efficiently converting power from AC to DC without the need for expensive additional circuitry.It can be applied for powering LCD panels, industrial equipment, consumer products, appliances, vehicles, and many other types of devices. Furthermore, the PI3109-01-EVAL1 is capable of providing power regulation solutions where there is a need for tight voltage control and extremely low noise emissions.

In summary, the PI3109-01-EVAL1 is an excellent choice for any engineer looking for a highly reliable, cost-effective, and efficient power conversion solution for their AC/DC or DC/DC SMPS applications. It offers an integrated feedback circuitry for precisely controlling the output voltage, adjustable switching frequency, and adjustable soft start time that provide the user with the highest levels of accuracy and performance. It is an excellent choice for those seeking to reduce system complexity and cost while still providing high system performance.

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