UMTS/HSDPA Module
UC15 Hardware Design
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5.2. Power Supply Ratings
Table 28: The Module Power Supply Ratings
Parameter
Description
Conditions
Min
Typ.
Max
Unit
VBAT
VBAT_BB and
VBAT_RF
Voltage must stay within the
min/max values, including voltage
drop, ripple, and spikes.
3.3 3.8 4.4 V
Voltage drop
during
transmitting
burst
Maximum power control level on
GSM850 and EGSM900.
400
mV
I
VBAT
Peak supply
current (during
transmission
slot)
Maximum power control level on
GSM850 and EGSM900.
1.8 2.0 A
USB_VBUS USB
detection
4.75 5.0
5.25 V
5.3. Operating Temperature
The operating temperature is listed in the following table.
Table 29: Operating Temperature
Parameter
Min
Typ.
Max
Unit
Normal Temperature
-40
25
80
ºC
Restricted Operation
1)
-45~ -40
80 ~ 85
ºC
Storage Temperature
-40
+90
ºC
1)
When the module works within the temperature range, the deviations from the RF specification may
occur. For example, the frequency error or the phase error would increase.
NOTE
