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AC75 Hardware Interface Description
Strictly confidential / Preliminary
5.6
Power Supply Ratings
Table 27: Power supply ratings
Parameter Description
BATT+
Supply voltage
Voltage drop during
transmit burst
Voltage ripple
I
OFF State
VDDLP
supply current
I
BATT+
Average standby
supply current
7
Measured after module INIT (switch ON the module and following switch OFF); applied voltage on BATT+ (w/o
INIT) show increased POWER DOWN supply current.
8
Additional conditions:
- SLEEP mode measurements started 3 minutes after switch ON the module
- Averaging times: SLEEP mode - 3 minutes; IDLE mode - 1.5 minutes
- Communication tester settings: no neighbor cells, no cell reselection
- USB interface disabled
AC75_HD_V00.202
Conditions
Directly measured at reference point
TP BATT+ and TP GND, see chapter
3.2.2
Voltage must stay within the min/max
values, including voltage drop, ripple,
spikes.
Normal condition, power control level
for P
out max
Normal condition, power control level
for P
out max
@ f<200kHz
@ f>200kHz
RTC Backup
POWER DOWN mode
SLEEP mode
8
SLEEP mode
SLEEP mode
IDLE mode
Page 93 of 120
Min
3.3
@ BATT+ = 0V
7
@ DRX = 9
@ DRX = 5
@ DRX = 2
@ DRX = 2
s
Typ
Max
Unit
3.8
4.5
V
400
mV
50
mV
2
mV
25
µA
50
100
µA
3.7
mA
4.6
mA
7.0
mA
28
mA
27.04.2006
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