Power Integrations (Nasdaq: POWI) reported earnings on Feb. 2. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended Dec. 31 (Q4), Power Integrations beat slightly on revenues and beat expectations on earnings per share.

Compared to the prior-year quarter, revenue contracted and GAAP earnings per share shrank significantly.

Margins shrank across the board.

Revenue details
Power Integrations logged revenue of $66.7 million. The seven analysts polled by S&P Capital IQ predicted a top line of $66.0 million. Sales were 8.6% lower than the prior-year quarter's $73.0 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions.

EPS details
Non-GAAP EPS came in at $0.28. The nine earnings estimates compiled by S&P Capital IQ anticipated $0.27 per share on the same basis. GAAP EPS of $0.22 for Q4 were 24% lower than the prior-year quarter's $0.29 per share.

Source: S&P Capital IQ. Quarterly periods. Figures may be non-GAAP to maintain comparability with estimates.

Margin details
For the quarter, gross margin was 47.3%, 220 basis points worse than the prior-year quarter. Operating margin was 11.7%, 390 basis points worse than the prior-year quarter. Net margin was 9.5%, 270 basis points worse than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $67.5 million. On the bottom line, the average EPS estimate is $0.30.

Next year's average estimate for revenue is $303.5 million. The average EPS estimate is $1.64.

Investor sentiment
The stock has a four-star rating (out of five) at Motley Fool CAPS, with 112 members out of 124 rating the stock outperform, and 12 members rating it underperform. Among 33 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 29 give Power Integrations a green thumbs-up, and four 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 $39.43.

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Seth Jayson had no position in any company mentioned here at the time of publication. You can view his stock holdings here. He is co-advisor of Motley Fool Hidden Gems, which provides new small-cap ideas every month, backed by a real-money portfolio. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.