58 CR11*, CP11*, CT11* 6U CompactPCI® SBC
Publication No. HRMCR11 Rev. B.0
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Battery
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B81225
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Discharge Curre-nt [JJA
]
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225
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Figure 19: Battery cun-ent versus time
Powered by the system
If power to the board is supplied by the system then the battery is not
s
upplying
power to the clock circuits. However,
s
e
l
f-di
s
c
h
arge happen
s
.
Typical self
discharge rates are less than 0.3 percent per year with respect to a folly loaded
battery a.tan ambient temperature of 25 °C. Self-discharge rates increase by less
than 3 percent per year for temperature values up to 95
°
C
.
The battery has a user accessible holder on the CR! I.
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