User's Manual

SIM900L Document
- 11 -
Table 8: VDD_EXT characteristics
Symbol Parameter Min Typ Max Unit
V
O
Output voltage 2.70 2.80 2.95 V
I
O
Output current - - 10 mA
4.6 SIM_VDD Characteristics
Table 9: SIM_VDD characteristics
Symbol Parameter Min Typ Max Unit
2.75 2.9 3.00
V
O
Output voltage
1.65 1.80 1.95
V
I
O
Output current - - 10 mA
4.7 VRTC Characteristics
Table 10: VRTC characteristics
Symbol Parameter Min Typ Max Unit
V
RTC-IN
VRTC input voltage 2.00 3.00 3.15 V
I
RTC-IN
VRTC input current - 2 - uA
V
RTC-OUT
VRTC output voltage - 3.00 - V
I
RTC-OUT
VRTC output current - 10 - uA
4.8 Current Consumption (VBAT = 3.8V, GPS engine is powered down)
Table 11: GSM current consumption
Symbol Parameter Conditions Value Unit
I
VRTC
VRTC current VBAT disconnects. Backup battery is 3 V 2 uA
Power down mode 30 uA
BS-PA-MFRMS=9 1.0
BS-PA-MFRMS=5 1.2
Sleep mode
BS-PA-MFRMS=2 1.5
mA
GSM 850
EGSM 900
DCS 1800
Idle mode
PCS 1900
22 mA
I
VBAT
VBAT current
Voice call GSM 850 PCL=5 250 mA