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Control high step-down ratios in buck regulators

Posted: 01 May 2007 ?? ?Print Version ?Bookmark and Share

Keywords:improving high step-down ratios in buck regulators? current-mode control in buck regulator? noise immunity and high step-down ratios?

A recently developed version of current-mode control known as emulated current-mode control (ECM) improves the ability to operate with very high step-down ratios while maintaining good noise immunity. With input voltage ratings of up to 75V, it's possible to have significant design margins in many high input voltage applications, while still producing the kinds of output voltages used by today's digital circuitry.

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