SIM340 Hardware Design
5.3 Power supply ratings
Table
29
: SIM340 power supply ratings
Parameter Description
Conditions
Min Typ
Max
Unit
VBAT
Supply voltage
Voltage must stay within the
min/max values, including
voltage drop, ripple, and spikes.
3.4
4.0
4.5
V
Voltage drop
during transmit
burst
Normal condition, power
control level for Pout max
400
mV
Voltage ripple
Normal condition, power
control level for Pout max
@ f<200kHz
@ f>200kHz
50
2
mV
POWER DOWN mode
SLEEP mode
35
2.5
uA
mA
IDLE mode
GSM850/EGSM 900
DCS1800/PCS1900
23
23
mA
TALK mode
GSM850/EGSM 900
DCS1800/PCS1900
260
190
mA
DATA mode, GPRS (3 Rx,2Tx)
GSM850/EGSM 900
DCS1800/PCS1900
490
340
mA
I
VBAT
Average supply
current
DATA mode, GPRS (4 Rx,1Tx)
GSM850/EGSM 900
DCS1800/PCS1900
290
220
mA
Peak supply
current (during
transmission
slot every 4.6ms)
Power control level for Pout
max.
2
A
SIM340_HD_V3.09
18.03.2009
56