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UM982eb User Manual
3 Power Supply
The power supply of the UM982eb is input from the VIN pin, passing through a circuit with
surge protection and filter capacitors, to provide power for the 3.3 V LDO circuit and 5 V
DC/DC boost circuit.
The input range of VIN is 3.2 V to 5 V.
Figure 3-2 3.3 V LDO and 5 V DC/DC on the Bottom of UM982eb
6
FC1
NFM21PC104R1E3D
VIN operation range: 3.2 V ~ 5 V
Figure 3-1 Power Filter Circuit
3.3V LDO
5V DC/DC
Power Supply
UC-08-M31 EN R1.0
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