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7
Electrical, Reliability and Radio
7.1. Absolute Maximum Ratings
Absolute maximum ratings for power supply and voltage on digital and analog pins of the module are
listed in the following table.
Table 13: Absolute Maximum Ratings
Parameter
VBAT
USB_VBUS
Peak Current of VBAT
Voltage on Digital Pins
7.2. Power Supply Ratings
Table 14: SC20 Module Power Supply Ratings
Parameter
Description
VBAT
VBAT
Voltage drop
during transmitting
burst
Peak supply
I
current (during
VBAT
transmission slot)
SC20-A_Manual_R1.0
Characteristics
Min.
-0.5
-0.5
0
-0.3
Conditions
Voltage must stay within the
min/max values, including
voltage drop, ripple and spikes.
Maximum power control level
on EGSM900.
Maximum power control level
on EGSM900.
Confidential / Released
Max.
6
16
3
2.3
Min.
Typ.
Max.
3.5
3.8
4.2
400
1.8
3.0
Unit
V
V
A
V
Unit
V
mV
A
25 / 57
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