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7
Reference Circuit configuration 2
Configurations summary for reference circuit 2
Config no.
Main Supply
EXT Supply Output
USB
VDDH
VDD
Config.2
N/A
Battery/Ext.regulator
No
Yes
Explanation of symbols in reference circuit 2 schematic
Symbol
Parameter
Min.
Typ.
Max.
Units
V
DD
Main supply voltage in normal voltage mode
1.7
3
3.6
V
V
BUS
Supply voltage on VBUS pin
4.35
5
5.5
V