Datasheet

SNAU118
LMK01801BEVAL Evaluation Board Operating Instructions
28
Appendix C: Schematics
Power
1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
39Power Supplies
10/25/2011
Power.SchDoc
Sheet Title:
Size: Schematic:
Mod. Date:
File:
Rev:
Sheet: of
B
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this specification or any information contained therein. National and/or its licensors do not
warrant that this design will meet the specifications, will be suitable for your application or fit
for any particular purpose, or will operate in an implementation. National and/or its licensors
do not warrant that the design is production worthy. You should completely validate and test
your design implementation to confirm the system functionality for your application.
© Copyright, National Semiconductor, 2009
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LMK01801 SVBProject:
Designed for: Evaluation Customer
870xxxxxx 1.0
Assembly Variant: Version1
1000
R179
VccCLKoutPlaneA
1000
R329
LDO Power Options
Vcc
VccAuxPlane
VccCLKoutPlaneA
Direct Power
IN
4
ADJ
6
GND
3
NC
7
SD
8
DAP
9
OUT
5
BYP
1
NC
2
U301
LP3878SD-ADJ
LP3878-ADJ 3.3 V component values:
C350 = 4.7 uF
R349= 51 k
C354 = 0.01 uF R351= 866
C352 = 10 uF
R350= 2.00 k
C351 = 2.2 nF
0
R340
DNP
1
1
2
2
J1
TERMBLOCK_2
IN
6
OUT
1
GND
3
EN
4
NC
5
DAP
7
NC
2
U302
LP5900SD-3.3
GND
V_LM3878-ADJB
V_LM5900
C367 = 0.47 uF
C368 = 0.47 uF
R359 = 51 k
Designators greater than and equal to 300 are placed on bottom of PCB
LP3878SD-ADJ
LP5900SD-3.3
LP5900 Component values
0
R335
1000
R334
0.1µF
C314
1µF
C313
10µF
C312
0.01µF
C327
DNP
0.1µF
C326
1µF
C325
Populate R215 and Open R227
to use low-noise LP5900
regulator option to power CG1
and CG2 supply planes.
LDO_OutB
TESTPOINT
VccTP
TESTPOINT
51k
R353
0.01µF
C350
2.00k
R354
866
R355
51k
R357
0.47µF
C351
0.47µF
C352
2200pF
C346
0
R337
0.01µF
C330
DNP
0.1µF
C329
1µF
C328
1000
R336
Vcc3_CLKout_CG1
CG1
CG0
Vcc1_CLKout_CG0
VccCLKoutPlaneB
4.7µF
C349
1000
R341
DNPIN
4
ADJ
6
GND
3
NC
7
SD
8
DAP
9
OUT
5
BYP
1
NC
2
U300
LP3878SD-ADJ
LDO_OutA
TESTPOINT
51k
R342
0.01µF
C337
2.00k
R343
866
R345
2200pF
C333 1µF
C332
DNP
4.7µF
C335
DNP
VccCLKoutPlaneAV_LM3878-ADJA
VccCLKoutPlaneB
1000
R332
0.1µF
C321
1µF
C320
10µF
C319
Vcc
SMA
0
R339
DNP
0.1µF
C56
1µF
C55
10µF
C54
0
R331
Vcc2_CLKin0
CLKin0
0.1µF
C318
0.01µF
C340
DNP
0.1µF
C339
1µF
C338
0
R350
1000
R346
0
R347
0.01µF
C344
DNP
0.1µF
C343
1µF
C342
1000
R349
Vcc10_CG3_p47
Vcc13_CG0_p64
CG3
CG2
Vcc7_CLKout_CG3
Vcc5_CLKout_CG2
1000
R344
Vcc6_CLKin1
CLKin1
0.1µF
C336
DNP
1000
R348
DNP
VccAuxPlane
1000
R351
DNP
VccCLKoutPlaneB
1µF
C345
10µF
C334
DNP
10µF
C347
0
R356
LDO_LP5900
TESTPOINT
VccAuxPlane
1µF
C341
Vcc2
SMA
DNP
VccCLKoutPlaneB
0.1µF
C324
DNP
1µF
C323
DNP
10µF
C322
DNP
1000
R333
DNP
VccCLKoutPlaneA
0.1µF
C317
DNP
1µF
C316
DNP
10µF
C315
DNP
1000
R330
DNP
0
R352
Vcc4_Bias
Bias
0.1µF
C348
0
R338
Vcc8_Digital
Digital
0.1µF
C331
DNP
100pF
C357
DNP
GND
100pF
C361
DNP
GND
100pF
C362
DNP
GND
100pF
C360
DNP
GND
100pF
C356
DNP
GND
100pF
C355
GND
100pF
C354
DNP
GND
0.1µF
C353
GND