Technical Specifications; Absolute Maximum Ratings; Dc Characteristics; External And Internal Signals And Connections - Nokia NSB-7 Series Service Manual

NSB-7
System Module

Technical Specifications

Absolute Maximum Ratings

Parameter
Battery voltage
Charger input voltage

DC Characteristics

Line Symbol
Supply battery voltage
Battery powerup voltage (HW)
Battery cut off voltage (HW)
Regulated baseband supply volt-
age
Regulated baseband supply cur-
rent
COBBA analog supply voltage
COBBA analog supply current
Regulated 5V supply voltage
Regulated 5V supply current
Regulated 5V SIM supply voltage
Regulated 5V SIM supply current
Regulated 3V SIM supply voltage
Regulated 3V SIM supply current
Voltage reference

External and Internal Signals and Connections

This section describes the external electrical connection and interface levels on the base-
band. The electrical interface specifications are collected into tables that covers a con-
nector or a defined interface.

DC (charger) connector

DC (charger) connector is physically integrated in the same component with the acces-
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Rating
-0.3... 5.3 V
-5.0... 16V
Typical /
Minimum
Nominal
3.0 3.9
2.9 3.0
2.7 2.8
2.7 2.8
3 50
2.7 2.8
5 20
4.8 5.0
0 1
4.8 5.0
3 10
2.8 3.0
1 6
1.4775 1.5
ãNokia Mobile Phones Ltd.
PAMS Technical Documentation
Maximum Unit / Notes
4.8 V
3.1 V
2.9 V (3.1 V SW cutoff)
2.85 V
125 mA
2.85 V
100 mA
5.2 V
30 mA
5.2 V
30 mA
3.2 V
30 mA
1.5225 V
Issue 1 06/00