Datasheet

November 2013 LMK3806 Evaluation Board SNAU075A 27
Copyright © 2013, Texas Instruments Incorporated
14. Schematics
Power Supplies
Figure 16 - LMK03806 Power Supply Schematic
1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
29Power Supplies
11/28/2011
Power.SchDoc
Sheet Title:
Size: Schematic:
Mod. Date:
File:
Rev:
Sheet: of
B
Texas Instruments and/or its licensors do not warrant the accuracy or completeness of this
specification or any information contained therein. Texas Instruments 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. Texas Instruments 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.
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LMK038xx Evaluation BoardProject:
Designed for: Evaluation Customer
870600688 1.1
Assembly Variant: Customer Eval - 2011-11-22
© Texas Instruments CopyrightYear
VccCore
0.1µF
C42
1000
R82
DNP
VccCLKout
1000
R83
DNP
LDO Power Options
Power Plane for LMK Except Outputs
Power Planes for LMK CLKout Outputs
Vcc
Direct Power
IN
4
ADJ
6
GND
3
NC
7
SD
8
DAP
9
OUT
5
BYP
1
NC
2
U2
LP3878SD-ADJ
LP3878-ADJ 3.3 V component values:
C340 = 4.7 uF
R350= 51 k
C346 = 0.01 uF R356= 866
C352 = 10 uF
R351= 2.00 k
C341 = 2.2 nF
470pF
C51
DNP
470pF
C57
DNP
0
R92
1
1
2
2
J1
TERMBLOCK_2
V_LM3878-ADJ
LP3878SD-ADJ
120 FB
R85
120 FB
R81
120 FB
R101
0
R84
0.1µF
C45
1µF
C44
10µF
C43
0.1µF
C48
1µF
C47
10µF
C46
470pF
C49
DNP
Vcc2_CLKout_CG1
Vcc13_CLKout_CG0
0
R88
Vcc12_CG5_p57
Vcc2_CG1_p17
1
2 3 4 5
Vcc
142-0701-201
120
R93
120
R98
VccTP
TESTPOINT
51k
R94
0.1µF
C58
2.00k
R97
866
R99
4.7µF
C53
1µF
C55
2200pF
C54
120 FB
R89
Vcc10_CLKout_CG3
Vcc11_CLKout_CG4
120 FB
R91
120 FB
R87
Vcc3_CLKout_CG2
Vcc12_CLKout_CG5
120 FB
R96
0.1µF
C59
DNP
0.1µF
C52
DNP
0.1µF
C50
DNP
0
R86
0
R90
0
R100
Vcc3_CG2_p18
Vcc10_CG3_p47
Vcc11_CG4_p52
Vcc13_CG0_p64
0
R95
VccLDOin
10µF
C56
VccCore
VccCLKout
0.1µF
C41
VccCore
Vcc8_PDCP2
Vcc Core Supplies Vcc1-VCO, Vcc4-Digital, Vcc5-CLKin, Vcc6-PLL, Vcc7-OSCout0, and Vcc9-PLL2
VccCore_TP
TESTPOINT
VccCLKout_TP
TESTPOINT