SimCom SIM900 Hardware Design

SIM900 Hardware Design
5.3 Power Supply Ratings
Table 28: SIM900 power supply ratings
Parameter Description Conditions Min Typ Max Unit
Supply voltage Voltage must stay within the min/max
values, including voltage drop, ripple, and
spikes.
3.1 4.0 4.8 V
Voltage drop
during transmit
burst
Normal condition, power control level for
Pout max
400 mV
VBAT
Voltage ripple Normal condition, power control level for
Pout max
@ f<200kHz
@ f>200kHz
50
2
mV
POWER DOWN mode
SLEEP mode ( BS-PA-MFRMS=9 )
( BS-PA-MFRMS=5 )
( BS-PA-MFRMS=2 )
30
1.0
1.2
1.5
uA
mA
IDLE mode
GSM 850
EGSM 900
DCS1800
PCS1900
22
22
22
22
mA
TALK mode
GSM 850
EGSM 900
DCS1800
PCS1900
235
241
158
166
mA
DATA mode, GPRS (3 Rx,2Tx)
GSM 850
EGSM 900
DCS1800
PCS1900
435
444
287
299
mA
I
VBAT
Average supply
current
DATA mode, GPRS (4 Rx,1Tx)
GSM 850
EGSM 900
DCS1800
PCS1900
266
270
191
202
mA
SIM900_HD_V1.05 06.23.2010
50

SimCom SIM900 Specifications

General

Brand	SimCom
Model	SIM900
Category	Modem
Language	English