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FPF3003 Datasheet

Full Functional Input Power Path Management Switch

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FPF3003 pdf
Battery Charging Path Selection
The charging path can be controlled by the CHGSEL
pin. When CHGSEL is LOW, BATA can be charged
from the charger. When CHGSEL is HIGH, BATB can
be charged from the charger.
System RESET
The RESETB pin allows the system to be turned off
without detaching the battery pack. It has typical 7s
delay to avoid transient abnormal signal.
Board Layout
For best performance, all power traces (BATA, BATB,
CHGIN, ADPIN, and VOUT) should be as short as
possible to minimize the parasitic electrical effects and
the case-to-ambient thermal impedance. The output
capacitor should be placed close to the device to
minimize parasitic trace inductance.
Figure 37. Battery Charging Path
© 2011 Fairchild Semiconductor Corporation
FPF3003 • Rev. 1.0.0
15
www.fairchildsemi.com
Fairchild Semiconductor
Fairchild Semiconductor



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