
U.S.
Patent
May
1,
2007
Sheet
8
0f
10
US
7,213,061
B1
326
448
460
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2
—
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450x‘
LEVELS
VOLTAGE
—-
2
PIN
VOLTAGE
OUT
W
1-15
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/
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LTEVEES
VOLTAGE
—
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VOLTAGE
OUT
4553'
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\
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467
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452
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_
CONTACT
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9
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START
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STRUCTURE
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