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FRC-III AIP for 1.8V
+1.8V
R1
R313
0
C300
22pF
R300
50V
30K
1%
Vout=0.765*(1+R1/R2)
R2
R301
22K
1%
C301
1uF
25V
FRC-III DDR3 for 1.5V
+1.5V
R1
R314
C335
3.6K
100pF
1%
50V
R302
18K
1%
Vout=0.765*(1+R1/R2)
R2
R303
22K
1%
C302
1uF
25V
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
TYP 0.278A
MAX 0.345A
+12V
L302
MLB-201209-0120P-N2
C307
C309
C311
IC300
0.1uF
10uF
10uF
TPS54327DDAR
R304
16V
25V
25V
[EP]GND
OPT
10K
+1.8V
EN
VIN
1
8
C305
VFB
VBST
2
7
0.1uF 16V
L300
3.6uH
VREG5
SW
3
6
NR8040T3R6N
SS
GND
4
5
C312
C315
C303
22uF
22uF
3300pF
10V
10V
50V
tss(ms)=[C303(nF)*Vref]/Iss(uA)
TYP 1.149A
MAX 1.184A
+12V
L303
+3.3V
MLB-201209-0120P-N2
IC301
TPS54327DDAR
R305
C308
C310
C313
[EP]GND
10K
0.1uF
10uF
10uF
16V
25V
25V
+1.5V
OPT
EN
VIN
1
8
C306
VFB
VBST
2
7
L301
0.1uF 16V
3.6uH
VREG5
SW
3
6
NR8040T3R6N
SS
GND
4
5
C314
C316
C304
22uF
22uF
0.01uF
10V
10V
50V
tss(ms)=[C304(nF)*Vref]/Iss(uA)
LG1122(FRC-III) Power up Sequence
Analog I/O Power
Digital I/O Power
DDR3PHY Power
Core Power
+1.8V_VCXO
L308
C334
100pF
50V
OPT
+3.3V
R1
R308
68K
1%
R315
5.1K
1%
Vout=0.765*(1+R1/R2)
R2
R309
22K
1%
Ton_DIO 20us(min)
+1.8V
+3.3V
Ton_DDR 40us(min)
+1.5V
Ton_CORE 40us(min)
+0.9V
FRC-III CORE for 0.9V
+12V
L306
MLB-201209-0120P-N2
OPT
C328
C326
10uF
10uF
25V
25V
IC302
L304
+0.9V
3.6uH
AOZ1038PI
[EP]LX
NR8040T3R6N
PGND
NC_2
1
8
R1
C329
+3.3V
VIN
NC_1
22uF
R316
2
7
10V
1.2K
R310
C322
AGND
EN
10K
R306
0.1uF
3
6
4.7K
16V
C320
1%
FB
COMP
R312
4
5
3.3K
4700pF
R2
50V
R307
22K
1%
Vout=0.8*(1+R1/R2)
FRC-III I/O for 3.3V
+12V
C325
C327
IC303
R317
R311
0.1uF
10uF
TPS54327DDAR
10K
10K
16V
25V
C318
[EP]GND
OPT
22pF
50V
EN
VIN
1
8
C323
VFB
VBST
2
7
L305
0.1uF 16V
3.6uH
VREG5
SW
3
6
NR8040T3R6N
SS
GND
4
5
C319
C321
1uF
0.01uF
25V
50V
tss(ms)=[C321(nF)*Vref]/Iss(uA)
120Hz Back-End Board
TYP 2.521A
MAX 3.124A
+0.9V
C332
C336
22uF
3300pF
10V
50V
OPT
TYP 0.043A
MAX 0.046A
L307
MLB-201209-0120P-N2
C330
10uF
25V
+3.3V
+3.3V_NORMAL
L309
MLB-201209-0120P-N2
C331
C333
22uF
22uF
10V
10V
OPT
2011. 07. 05
POWER
3
6
LGE Internal Use Only
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