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LM20K Family PowerWise Synchronous Buck Regulator Slide 27

Operating the devices in parallel and out of phase allows for twice the output current while maintaining the same net efficiency. The power dissipation is also distributed between the two devices resulting in a cooler running solution. Like the previous example, the RMS input current is greatly reduced. In fact, for duty cycles near 50%, the RMS input current can approach zero.

PTM Published on: 2011-11-02