The GaN journey begins...

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The GaN journey begins...
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Mission and Purpose

• We enable the most efficient energy conversion
  using superior semiconductor materials

EPC designs, develops, markets, and sells Gallium
Nitride based power management devices
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• Served Available Market

EPCs 7B Served Available Market is forecasted
to grow at a 11.1 annual rate between 2009 and
2013.
Source iSuppli
Source iSuppli
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Market Example - Servers
Power consumed by servers is almost as costly as
the server itself.
Source E.C.W. de Jong P.T.M. Vaessen,
Leonardo Energy Briefing Paper on DC Power
Distribution for Server Farms, September 2007
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Market Example - Servers
A dual processor server card consumes
approximately 450W of power. Approximately 160 W
are consumed by power conversion.
EPCs GaN technology can reduce total server
power requirementsby about 18. This could save
8.1B in annual power usage
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• Served Available Market

EPCs 7B Served Available Market is comprised of
several different end applications. EPCs
initial products target server, switch, hub,
notebook, and audio systems
Servers
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• Served Available Market

EPCs 7B Served Available Market is comprised of
several different end applications. EPCs
initial products target server, switch, hub,
notebook, and audio systems
Switches And Hubs
Servers
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• Served Available Market

EPCs 7B Served Available Market is comprised of
several different end applications. EPCs
initial products target server, switch, hub,
notebook, and audio systems
Notebook
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• Served Available Market

EPCs 7B Served Available Market is comprised of
several different end applications. EPCs
initial products target server, switch, hub,
notebook, and audio systems
Mobile
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GaN SAM to Reach 264M by 2013
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Why Gallium Nitride?
Smaller Die Sizes
200V Silicon Device (30 milli Ohms)
The on-resistance (RDS(ON)) for a given device
area is a key determinant of product cost.
EPCs products have the same on-resistance and
are significantly smaller than the best silicon
parts available.
200V GaN Device (25 milli Ohms)
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Figure of Merit
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Figure of Merit
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Converter Efficiency
250 kHz
12V-1V
24V-1V
48V-1V
Reduction of light load efficiency and high
conversion voltage efficiency is mostly due to
the limitations of the commercial driver IC
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Why Gallium Nitride?
Lowest Power Losses
12V-1V 5A 600kHz conversion
Server power supplies using EPCs GaN transistors
have power losses that are over 50 less than the
closest silicon solution.
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Unique FlipChip Properties
Device sidewall and back surface are not
electrically connected to circuit on front side
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EPC Products
EPCs products will cover 90 of the
existingpower MOSFET market by the end of 2010
EPC1007
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Summary

• Management is the most experienced in the power
  industry
• GaN is a disruptive technology
• The available market is 7B and is forecasted to
  grow at an annual rate of 11.1.
• The supply chain is mature EPC is using well
  established players in semiconductor
  manufacturing
• Because of EPCs innovative technology and its
  use of a mature supply chain, enormous capacity
  is already in place.

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Silicon has reached the end of the road.