The LM3495 PWM buck controller from National Semiconductor employs the company's emulated-current-mode architecture to generate output voltages with very low duty cycles at switching frequencies up to ...

Simplicity and low cost sustain the popularity of passive PWM DAC ripple filters despite their limitations. One of these limitations is a high output impedance caused by the series sum of filter ...

Editor’s Note: This is a four-part series of DIs proposing improvements in the performance of a “traditional” PWM—one whose output is a duty cycle-variable rectangular pulse which requires filtering ...

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