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LM25149: Efficiency Curve

Tamio Yokokura
Expert 3560 points
Part Number: LM25149

Hi, LM25149 support team

The below is an efficiency curve captured from the datasheet. I can see 2 kinds of line which are thick line and fine line. The thick lines looks like an efficiency curve in PWM mode. And the fine lines looks like an efficiency in PFM mode. Is this thought a correct?

Thanks

Tamio