VI-26P-IU-F3

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DC-DC Converters are highly efficient, reliable, low cost, and space saving power conversion solutions for various consumer and industrial electronic applications. One of the most popular dc-dc converters, the VI-26P-IU-F3, is a steady-state classic topology power supply. It provides efficiently regulated output current with much lower switching frequency than most full-bridge switched mode topologies.

The VI-26P-IU-F3 utilizes a modified single-ended primary inductance converter (SEPIC) topology. It features a simple two inductor and single diode design with one switch and two output capacitors. The output can be optimized for different application requirements by changing the inductor and capacitor values. This makes it an attractive choice for applications that require higher efficiency and low temperature impact.

The VI-26P-IU-F3 has a wide range of application fields, such as laptop adapters, USB PD power adapters, telecom power supplies, automotive power supplies, LED lighting solutions, and more. The converter offers multiple voltage outputs required in different applications and supports up to 96% efficiency at full-load condtitions with a wide input voltage range of 3V to 30V. Its maximum output current capability ranges from 0.5A to 30A, which ensures high load requirements are met with ease.

As far as the working principle is concerned, the VI-26P-IU-F3 operates in continuous conduction mode (CCM). In CCM, the current through the inductor is constant, and the power is delivered to the load through the capacitors. The control loops to regulate the output voltage and current are maintained by a few external components.

For proper functioning, an enable connection is required between the input voltage and the transformer primary winding. This feature makes the start-up process quick and efficient as the enable voltage only needs to be applied once before the circuit can begin operating.

The VI-26P-IU-F3, with its high efficiency, low temperature impact, and versatile input and output capabilities, is a great choice for applications that require a steady-state dc-dc converter. Its single-ended primary inductance converter topology ensures low switching frequency and its effective control and enable circuit allows it to quickly and efficiently convert the DC input voltage into multiple voltage outputs. Its wide range of application fields, from laptops to automotive power supplies, shows the versatility of this converter.

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