Monolithic Power Systems (NASDAQ:MPWR) reported Q1 adjusted earnings of $3 per diluted share, up from $2.45 a year earlier.
Analysts polled by Capital IQ expected $2.97.
Revenue for the quarter ended March 31 was $451.1 million, up from $377.7 million a year earlier.
Analysts surveyed by Capital IQ expected $449 million.
The chipmaker said it projects Q2 revenue between $430 million and $450 million. Analysts polled by Capital IQ are looking for $456.3 million.