User Guide

NSB-9
System Module and User Interface CCS Technical Documentation
Page 10 Nokia Corporation Issue 1 04/03
Baseband Technical Specifications
Absolute Maximum Ratings
Table 1: Absolute Maximum Ratings
DC Characteristics
Regulators and Supply Voltage Ranges
Table 2: Battery Voltage Range
Table 3: Baseband Regulators
Table 4: Accessory Regulator
Signal Note
Battery Voltage (Idle) -0.3V - 5.5V
Battery Voltage (Call) Max 4.8V
Charger Input Voltage -0.3V - 16V
Charging current 850mA
Signal Min Nom Max Note
VBAT 3.1V 3.6V 4.2V (charging high
limit voltage)
3.2V SW cut off
Signal Min Nom Max Note
VANA 2.70V 2.78V 2.86V I
max
= 80mA
VFLASH1 2.70V
2.61V (Sleep)
2.78V 2.86V
2.95V (Sleep)
I
max
= 70mA
I
sleep
= 1.5mA
VFLASH2 2.70V 2.78V 2.86V I
max
= 40mA
VSIM 1.745V
2.91V
1.8V
3.0V
1.855V
3.09V
I
max
= 25mA
I
sleep
= 0.5mA
VIO 1.72V 1.8V 1.88V I
max
= 150mA
I
sleep
= 0.5mA
VCORE 1.0V
1.235V
1.425V
1.710V
1.053V
1.3V
1.5V
1.8V
1.106V
1.365V
1.575V
1.890V
I
max
= 200mA
I
sleep
= 0.2mA
Default value 1.5V
Signal Min Nom Max Note
Vout 2.72V 2.80V 2.88V I
max
= 80mA