27 Apr '12, 10am

ON Semi buck regulator is EMC-friendly

ON Semiconductor has a series of switching buck regulators for electromagnetic compatibility (EMC) sensitive applications. The NCV890100, NCV890101, NCV890130, NCV890131, NCV890200, NCV890201 and NCV890231 each incorporate an internal power switch and operate at 2MHz. The 2MHz switching frequency allows the use of smaller, less costly inductors and capacitors for both the input and output filters. The switching frequency of the NCV890101, NCV890131, NCV890201 and NCV890231 devices can also be synchronized to an external clock source. The devices can be used to convert an 18V input to outputs as low as 3.3V and a 16V input to outputs as low as 2.5V, while maintaining a constant switching frequency of 2 MHz. These devices can operate over a voltage range from 4.5V up to 36V, and can tolerate load dump voltages up to 40V (45V for 890x3x versions), making them suitable for use...

Full article: http://www.electronicsweekly.com/products/2012/04/27/2219...

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