Power Integrations (Nasdaq: POWI) reported earnings on July 30. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended June 30 (Q2), Power Integrations met expectations on revenues and beat slightly on earnings per share.

Compared to the prior-year quarter, revenue increased significantly. Non-GAAP earnings per share expanded significantly. GAAP earnings per share increased.

Margins expanded across the board.

Revenue details
Power Integrations booked revenue of $87.9 million. The eight analysts polled by S&P Capital IQ expected a top line of $87.5 million on the same basis. GAAP reported sales were 15% higher than the prior-year quarter's $76.4 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures are normalized by S&P Capital IQ and may vary to maintain comparability with normalized estimates.

EPS details
EPS came in at $0.61. The six earnings estimates compiled by S&P Capital IQ predicted $0.60 per share. Non-GAAP EPS of $0.61 for Q2 were 24% higher than the prior-year quarter's $0.49 per share. GAAP EPS were $0.45 for Q2 compared to -$0.25 per share for the prior-year quarter.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures are normalized by S&P Capital IQ and may vary to maintain comparability with normalized estimates.

Margin details
For the quarter, gross margin was 52.6%, 320 basis points better than the prior-year quarter. Operating margin was 15.1%, 280 basis points better than the prior-year quarter. Net margin was 15.6%, much better than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
Next quarter's average estimate for revenue is $91.9 million. On the bottom line, the average EPS estimate is $0.65.

Next year's average estimate for revenue is $347.9 million. The average EPS estimate is $2.27.

Investor sentiment
The stock has a three-star rating (out of five) at Motley Fool CAPS, with 106 members out of 117 rating the stock outperform, and 11 members rating it underperform. Among 31 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 26 give Power Integrations a green thumbs-up, and five give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Power Integrations is outperform, with an average price target of $45.57.

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