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A New Approach to Circuit Breaker Design Using Silicon Carbide Switches - Nov 21
Mechanical circuit breakers can be low cost with minimal losses, but they operate slowly and wear out. Solid state versions overcome the problems and are becoming increasing viable as replacements at...
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DC/DC converters have built-in filter to simplify power design
The converters range from 3.0 to 6.0W and have a built-in EMI filter to save components and board space. This means that the converters require no external filter components to pass EN 55022 class-A EMI tests. They will also pass the class-B tests for domestic products, with only a small capacitor added.

 

The 3.0, 5.0 and 6.0W converters can drive high capacitive loads, and provide a regulated 5.0V output working from a nominal 5.0 or 24V DC input. They are robust, with continuous short-circuit protection, over-load protection and optional under-voltage lockout, and are specified for operation from -40 to 68°C without derating, or 100°C with derating. They are suitable for use in a variety of industrial electronic equipment. 

 

The 31.8 x 20.3 x10.2mm DIP24 modules are easy to design and assemble, says the company. The converters operate at up to 81% efficiency to deliver reliability and energy savings. They are UL60950, UL62368, and IEC/EN62368-1 certified, and all units carry a three-year manufacturer’s warranty.

 



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