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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. BB Circuit Technical brief
[Table 3.3.1-1] LDO Output Table of SM-Power3
LDO Net name Output Voltage Output Current Usage
1.35V 600mA
SD1 1V35_Core
0.98V 100mA
Core & for LDO
SD2 1V8_SD 1.8V 400mA Memory
SU1 5.6…25V 0…120V
VMME 2V8_VMME 1.8/2.9V 150mA u-SD
VSIM 2V9_SIM 1.8/2.9V 70mA SIM card
VIO 2V62_VIO 2.62V 100mA Peripherals
VAUDIOa 2V5_VAUDA 2.5V 200mA Stereo headset, Mono earpiece
VAUDIOb 2V5_VAUDB 2.5V 50mA Analog parts of S-Gold
VPLL 1V35_VPLL 1.35V 30mA S-GOLD3H PLL
VRTC 2V11_RTC 2 V 4mA Real Time Clock
VAUX 2V85_VFM 2.9V 100mA RF transceiver
VRF1 2V85_VRF 2.85V 150mA
2.85 V supply for SMARTi-PM
RF transceiver
VRF2 1V5_VRF 1,53V 100mA
1.5 V supply for SMARTi-PM
RF transceiver
VRF3 2V65_VBT 2.7V 150mA Bluetooth
VUSB VUSB 3.1V 40mA USB
VVIB 2V8_VAMP 2.8V 140mA AUDIO AMP
VAFC 2V65_TOUCH 2.65V 5mA Touch
VUMTS 2V85_VLCD 2.85V 110mA Three-Axis, LCD
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