ALTAIR04-900

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The ALTAIR04-900 is a family of advanced, rugged and reliable AC/DC converters and offline switchers designed to be used in a variety of power management and energy conversion systems. Its output power range is from 0.9 W to 4 W and, accordingly, its standard features include features like overcurrent protection and thermal shut-down. Additionally, the ALTAIR04-900 offers integrated power factor correction (PFC), optimized EMI performance, multiple output voltage ranges and adjustable line/load regulation.

The ALTAIR04-900 has a wide application field and its versatility makes it particularly suitable for a range of industrial, commercial and medical equipment, automotive electronics and communications. Its suitability is further enhanced by its extreme reliability and wide operating temperature range, as well as a high efficiency power conversion efficiency. This implies no extra power losses, with the result that the product\'s end-customer savings in energy costs are considerable.

In terms of its working principle, the ALTAIR04-900 is based on a hard-switched half-bridge topology with synchronous rectification. This topology provides a high level of efficiency and output power density, while keeping the overall size of the product as economic as possible. The design process centres around the output power requirements, as well as the acceptable input/output voltage, current, and voltage range. Some of the parameters that are taken into account are the selection of the power switches and the optimum topological configuration.

With the ALTAIR04-900, the input capacitor is a low-ESR type and the output is filtered with ceramic capacitors. This maximises efficiency and reduces switching noise.The input voltage range of the ALTAIR04-900 is from 90 to 265 VAC, and its output voltage range is from 1.2 to 24 VDC. The product also has an adjustable no-load current, and an adjustable overload current, as well as overvoltage, undervoltage and short-circuit protection. Additionally, it incorporates a thermal shutdown shutdown. This helps protect the device from the risk of over heating.

In short, the ALTAIR04-900 is an advanced, reliable and rugged AC/DC converters and offline switchers, with a wide application field. Its versatility, reliability, wide operating temperature range, and its high efficiency power conversion efficiency make it ideal for a range of industrial, commercial and medical equipment, automotive electronics, and communications. Furthermore, its hard-switched half-bridge topology with synchronous rectification ensures a high level of efficiency and output power density. Thus, the ALTAIR04-900 is able to successfully meet the most stringent customer requirements.

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