User's Manual

UMTS/HSDPA Module Series
UC15 Hardware Design
UC15_Hardware_Design Confidential / Released 63 / 78
5.2. Power Supply Ratings
Table 30: The Module Power Supply Ratings
5.3. Operating Temperature
The operating temperature is listed in the following table.
Table 31: Operating Temperature
“
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.
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 4.3 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 3.0 5.0 5.25 V
Parameter Min. Typ. Max. Unit
Normal Temperature -35 +25 +75 ºC
Restricted Operation
1)
-40 ~ -35 +75 ~ +85 ºC
Storage Temperature -45 +90 ºC
NOTE