User's Manual

Table Of Contents
MC55/56 Hardware Interface Description
Confidential / Preliminary
s
MC55/56_hd_v03.00 Page 79 of 104 16.08.2005
5.4 Power supply ratings
Table 27: Power supply ratings
Parameter Description Conditions Min Typ Max Unit
Supply voltage Reference points on MC55/56:
TP BATT+ and TP GND (see
Figure 39). Voltage must stay
within the min/max values,
including voltage drop, ripple,
spikes.
3.3 4.2 4.8 V
Voltage drop during
transmit burst
Normal condition, power control
level for P
out max
400 mV
BATT+
Voltage ripple Normal condition, power control
level for P
out max
@ f<200kHz
@ f>200kHz
50
2
mV
POWER DOWN mode 50 100 µA
SLEEP mode @ DRX = 6 3 mA
IDLE mode GSM 850
EGSM 900
GSM 1800/1900
15
15
15
mA
TALK mode GSM850
1) 4)
EGSM 900
1) 4)
GSM 1800/1900
2) 4)
260
260
180
mA
IDLE GPRS GSM 850
EGSM 900
GSM 1800/1900
15
15
15
mA
DATA mode GPRS,
(4 Rx, 1 Tx) GSM 850
1) 4)
EGSM 900
1) 4)
GSM 1800/1900
2) 4)
300
300
230
mA
Average supply
current
3)
DATA mode GPRS,
(3 Rx, 2 Tx) GSM 850
1) 4)
EGSM 900
1) 4)
GSM 1800/1900
2) 4)
450
450
330
mA
I
BATT+
Peak supply current
(during transmission
slot every 4.6ms)
Power control level
1)
1.6 A
1)
Power control level PCL 5
2)
Power control level PCL 0
3)
All average supply current values @ I
VDD
= 0mA
4)
Test conditions: 50