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Power Supply; Overview And Voltages - Siemens C45 Repair Documentation

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5 Power Supply

5.1 Overview and Voltages

Leerlaufspannung:
3,2V..4,2V
current
Ri
NiMH
35 mA(pk), 7 mA(avg)
75 mA max.
145 mA max.
V1.0
C45, M50 AND MT50
2,0 A
peak
Audio-
Amplifier
[ASIC]
Linear-
2,0V +-5%
Regler
[ASIC]
Linear-
2,07V (1,92V) +- 3%
Regler
[ASIC]
Linear-
2,65V +-3%
Regler
100mA max.
[ASIC]
Linear-
2,9V +-3%
Regler
[ASIC]
Page 22 of 46
Company Confidential © Copyright Siemens AG
150 µF
80 mA
140mA max.
140mA max.
2,8V +- 3,5%
Linearregler
2,8V +- 3,5%
Linearregler
PA
+Treiber
+Regelung
Magnetischer Ringer
VDDRTC
EGOLD Core
EGAIM,
EGOLD Portpins,
LCD controller
Flash, SRAM, SIM,
Light, Soundchip,
Vibra-motor, Altimeter
IrDA
LED
Powercontrol-ASIC,
TXVCO
Transceiver IC,
VCXO
ICM MP CCQ ST
05/02

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