Fibocom FM350-GL - Logic Level; Power Consumption

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FM350-GL Hardware Guide Page 23 of 67
requests the power source voltage should not be lower than 3.135V, otherwise module may shut down or
restart. The power supply requirement is shown in Figure 3-3:
Burst transmit Burst transmit
min:3.135V
Power supply
Ripple≤300mV
Drop
VBAT≥3.135V
Figure 3-3 Power supply requirement
Logic Level
The FM350 module 1.8V logic level definition is shown in the following table:
Parameters
Minimum
Typical
Maximum
Unit
1.8V logic level
1.71
1.8
1.89
V
V
IH
1.3
1.8
1.89
V
V
IL
@1mA
-0.3
0
0.3
V
The FM350 module 3.3V logic level definition is shown in the following table:
Parameters
Minimum
Typical
Maximum
Unit
3.3V logic level
3.135
3.3
3.465
V
V
IH
2.3
3.3
3.465
V
V
IL
@1mA
-0.3
0
0.3
V
Power Consumption
In the condition of 3.3V power supply, the FM350 power consumption is shown in the following table:
Parameter
Mode
Condition
Average
Current
(mA)
I
off
Power off
Power supply, module power off
TBD
I
Sleep
WCDMA
DRX=8
TBD