VI-26F-IW-F4

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DC-DC converters play an important role in numerous applications, such as medical devices, industrial systems, consumer electronics, and aerospace. The VI-26F-IW-F4 is a DC-DC converter widely used for these purposes. It offers excellent features, outstandingjperformance, and reliable operation.

The VI-26F-IW-F4 is a two-stage, isolated, flyback DC-DC converter that can deliver up to 26 W of power. It features a wide input operating range from 11 V to 28 V, making it suitable for a variety of input sources. It offers a low start-up current of 10 mA, which helps reduce inrush currents and efficiently manages power savings. In addition, the VI-26F-IW-F4 comes with a wide output range of 5 V to 28 V, enabling it to operate with a variety of loads.

The VI-26F-IW-F4 is designed for medical applications. It can operate in a variety of working environments, including harsh operating conditions such as shock, vibration, and extreme temperatures. It also meets stringent medical safety requirements, including protections against overcurrent, overvoltage, overheating, and short-circuit. This makes the VI-26F-IW-F4 a reliable and safe power supply for medical, industrial, and other critical applications.

The VI-26F-IW-F4 features a dual-mode control, which allows for high power conversion efficiency. The primary winding of the transformer is used for primary side regulation, and the secondary winding is used for secondary side regulation. The output voltage is regulated by sensing the voltage on the secondary side and adjusting the duty cycle on the primary side to achieve the desired output voltage. When the output voltage is stable, the converter transitions to a standby mode to reduce the power consumption.

In addition, the VI-26F-IW-F4 includes a programmable protection circuit, which prevents the power converter from over-loading and causing damage to the connected load. For example, if the output current exceeds the preset threshold, the protection circuit will reduce the duty cycle to limit the output current. The VI-26F-IW-F4 also includes an external MOSFET and a current sense IC, which enables maximum efficiency and reliable operation.

The VI-26F-IW-F4 is designed with an advanced EMI filter, which helps reduce the input noise and helps comply with safety requirements. The device is available in an RoHS-compliant, industry-standard package, which makes it a suitable choice for space-constrained applications. In addition, the VI-26F-IW-F4 supports over-temperature protection, current sense, soft start, and adjustable frequency with an external resistor.

The VI-26F-IW-F4 offers outstanding efficiency and reliability, making it an ideal solution for numerous applications that require efficient, continuous, and reliable power conversion. Its small size, high efficiency, wide operating voltage range, and programmable protection features make it a preferred choice for many applications in the medical, industrial, and consumer markets.

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