Electrical characteristics
Table 4 Normal and extreme voltages
Voltage
Voltage (V)
Condition
General conditions
Nominal voltage
3.90V
a
Lower extreme voltage
3.30V
b
Higher extreme voltage
4.30V
c
HW shutdown voltages
Vmstr+
2.1V ± 0,1V
Off to on
Vmstr-
1.9V ± 0,1V
On to off
SW shutdown voltages
SW shutdown
3. 1V
In call
SW shutdown
3. 2V
In idle
Min operating voltage
Vcoff+
3. 1V ± 0,1V
Off to on
Vcoff-
2. 8V ± 0,1V
On to off
HW reset demands
Min
1. 0V
d
Max
--
a. The nominal voltage is defined as being 15% higher than the lower extreme voltage. TA will test with this
nominal voltage at an 85% range (0.85x3.9V
a
3.3V).
b. This limit is set to be above SW shutdown limit in TA.
c. During fast charging of an empty battery, this voltage might exceed this value. Voltages between 4.20 and
4.60 might appear for a short while.
d. The minimum battery cell voltage required for the reset circuitry to turn on. This is not confirmed by
measures at pt.
Table 5 Current consumption
Condition
Min
Typical
Max
Unit
Call (MoU)
GSM 850
(E)GSM 900
GSM 1800
GSM 1900
.
225
208
188
168
mA
Idle (MoU)
2.0
mA
Power off
25
30
45
µA
RM-305; RM-306
General information
Issue 2
COMPANY CONFIDENTIAL
Page 1 –9
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