User Guide

CCS Technical Documentation System Module and User Interface
NEM-2
Issue 1 07/03 Copyright Nokia. All rights reserved.. Page 17
Current Sources
Power Distribution diagram
VR3 2.70V 2.78V 2.86V I
max
= 20mA
VR4 2.70V 2.78V 2.86V I
max
= 50mA
I
sleep
= 0.1mA
VR5 2.70V 2.78V 2.86V I
max
= 50mA
I
sleep
= 0.1mA
VR6 2.70V 2.78V 2.86V I
max
= 50mA
I
sleep
= 0.1mA
VR7 2.70V 2.78V 2.86V I
max
= 45mA
Signal Min Nom Max Note
IPA1 and IPA2 0mA - 5mA Programmable, +/-6%
V
IPA1,
V
IPA1
= 0V - 2.7V
IPA3 and IPA4 50µA 100µA 105µA V
IPA1
= 0V - 2.7V
System Connector
Battery
CHACON
RF Regulators
Baseband
Regulators
6
VR2-7
VR1A
VR1B
VIO
VSIM
VCORE
VANA
VFLASH1
RTC
Backup
battery
PA Supply
FM
Radio
SIM
UPP
LCD
FLASH
Baseband
UEM
Audio
Amplifier
VBAT
IRDA
VFLASH2
A
ccessor
y
Regulator
Vout
White LED
Driver
VLED+
VBAT
VBAT
UEMK