UNICORECOMM UM982-EB - Power Supply

UM982-EB User Manual
6 Power Supply UC-08-M31 EN P1.0.3
 The availability of the ports depends on the firmware version of the UM982 module.
3 Power Supply
The power supply of the UM982-EB 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.
VIN operation range: 3.2 V ~ 5 V
FC1
NFM21PC104R1E3D
Figure 3-1 Power Filter Circuit
Figure 3-2 3.3 V LDO and 5 V DC/DC on the Bottom of UM982-EB
3.3V LDO
5V DC/DC