DC2165A - Schematic

5
4
VIN1
3
2
1
REVISION HISTORY
INTVCC
VDD33
E1
VIN+
R1
0.005
2512
VIN
J1
R2 1 1%
VIN
4.5V - 14V
C2
+
270uF
J2
16V
VIN1
VDD25
C7
C32
+
270uF
REV
-
2
2.2uF
DESCRIPTION
PROTO
DATE
APPROVED
04/22/15
[j
VIN
1uF
C3 1uF
16V
0805
GND
EXTVCC
R3
0
INTVCC
4.7uF
C4
R4
0
VIN1
D
4.7uF
VDD33
13
ALERTB
14
SHARE_CLK
27
RUN0
17
RUN1
18
RUN1
26
WP1
1
C10 150pF
C11
5
OFF
6
3
C13
1500pF
30
29
ITH0
46
47
IIN-
28
ISENSE0+
RUN0
ISENSE0-
RUN1
VSENSE0+
WP
VSENSE0-
C14
10nF
TSNS0
10
TSNS1
9
TG1
ITH_R1
SW1
ITH1
ASEL1
20
VOUT0_CFG
21
VOUT1_CFG
22
FREQ_CFG
23
PHASE_CFG 24
VDD25
R22
OPT
R23
TSNS0
BG1
TSNS1
ASEL0
ISENSE1ASEL1
VSENSE1+
VOUT0_CFG
VSENSE1-
PHASE_CFG
FAULT0B
OPT
R27
OPT
R28
OPT
FAULT1B
R32
5
R113
0
1.0V AT 30A
J4
GND
8
R16
10
E4
1
VSENSE0+
2
R17
VSENSE0-
OPT
VOUT0C
VSENSE0-
35
TG1
34
SW1
Q5
BSC050NE2LS
Q6
OPT
CIN3
10uF
1210
36
4
37
E5
VSENSE1+
VOUT1+
4
BG1
L2
3
4
CIN4
10uF
1210
C16
220nF
R19
0
C15
0.1uF D2
0.25uH
J5
VOUT1
744301025
INTVCC
32
CMDSH-3-TR
31
R18
10
1%
VOUT1
Q8
BSC010NE2LSI
4
Q9
OPT
4
R20
715
1%
R114
0
COUT5
100uF
6.3V
1210
COUT6
100uF
6.3V
1210
COUT7
+ 330uF
6.3V
7343
COUT8
+ 330uF
6.3V
7343
1.0V AT 30A
15
GND
16
R21
10
1%
B
E6
R24
OPT
VSENSE1-
VOUT1-
VDD33
VDD33
PGOOD0
VDD33
PGOOD1
OPT
COUT4
+ 330uF
6.3V
7343
VSENSE1-
E13
R31
1
2
3
C9
220nF
48
33
49
41
R26
COUT3
+ 330uF
6.3V
7343
7
VSENSE1+
OPT
R14
715
1%
COUT2
100uF
6.3V
1210
J6
FREQ_CFG
OPT
R25
Q4
OPT
4
VOUT1_CFG
PGOOD0
C17
10nF
42 BG0
COUT1
100uF
6.3V
1210
VIN1
ITH0
PGOOD1
19
ASEL0
MMBT3906-AL3-R
SOT-323
Q3
BSC010NE2LSI
4
ITH_R0
ISENSE1+
Q10
D1
0.1uF
CMDSH-3-TR
SHARE_CLK
GND
Q7
MMBT3906-AL3-R
SOT-323
R15 0
5
25
38
ALERTB
BOOST1
ITH1
B
BG0
43 BST0
VOUT0
744301025
INTVCC
1500pF
2
C12 150pF
SDA
PGND
JP1
WP
ON
SW0
BOOST0
J3
5
RUN0
LTC3884EUK
SCL
0.25uH
1
2
3
SDA
SYNC
C8
45 SW0
R5
10
VOUT0
1
2
3
SHARE_CLK
12
44 TG0
5
ALERTB
SCL
TG0
VOUT0+
1
2
3
SDA
11
E3
VSENSE0+
L1
U1
5
SCL
SYNC
EXTVCC
CIN2
10uF
1210
4
1
2
3
SYNC
40
CIN1
10uF
1210
1
2
3
R12
R13
4.99K 4.99K
4
1
2
3
R11
4.99K
Q2
OPT
1
2
3
R9
R10
4.99K 10K
VDD33
R8
10K
VDD25
R7
10K
INTVCC
39
VIN
R6
10K
C
Q1
BSC050NE2LS
OPT
5
C6
5
E2
VIN-
5
C5
IIN+
D
C1
R147
OPT
ECO
OPT
R29
10K
R30
10K
E14
VDD33
R34
10K
R35
OPT
R36
OPT
R37
OPT
R38
OPT
CUSTOMER NOTICE
OPTION FOR TWO-PHASE CONFIGURATION CONNECTION
R39
E10
ITH0
E11
VDD25
VSENSE0+
VSENSE1+
VSENSE0-
VOUT1
2010
R44 OPT
VSENSE1-
OPT
R45
2010
R47 OPT
OPT
R46
FAULT1B
VOUT0
PGOOD0
OPT
4
TECHNOLOGY
`\
[j
PGOOD1
OPT
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
HIGH EFFICIENCY, DUAL-OUTPUT SYNCHRONOUS BUCK
CONVERTER WITH POWER SYSTEM MANAGEMENT
3
2
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
SIZE
2010
R48 OPT
2010
5
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
R41 OPT
OPT
R43
RUN1
FAULT0B
E12
VDD25
ITH1
RUN0
VDD33
VDD33
R40
OPT
R42
INTVCC
INTVCC
PGOOD0
PGOOD1
EXTVCC
EXTVCC
FAULT1B
R33
10K
E9
A
FAULT0B
DATE:
IC NO.
LTC3884EUK
DEMO CIRCUIT 2165A
Thursday, December 03, 2015
1
SHEET 1
REV.
2
OF 3
A
5
4
3
2
OPTIONAL 5.5V BIAS
VOUT1
EXTVCC
+5.5V
VIN
U4
1
LT1761ES5-SD
R106
VOUT0
1
R86
OPT
2010
3
R87
OUT
5
OPT
GND
SHDN
ADJ
R107
34.8K
1%
4
10K
BIAS
1
R85
OPT
2010
2
C30
10uF
16V
1210
D
IN
JP4
ON
2
R105
10K
OFF
3
BLEEDER LOADS
D
C31
10uF
16V
1210
VOUT0
J10
DYNAMIC LOAD TEST CIRCUIT, FOR DEMO BOARD ONLY
R88
OPT
2010
C
1
COUT17
COUT18
+ 330uF
+ 330uF
6.3V
6.3V
7343
7343
VOUT0
C
COUT19
100uF
6.3V
1210
COUT20
100uF
6.3V
1210
2
COUT21
1.0uF
EXT PULSE
E7
VOUT1
J11
SUD50N04-8M8P-4GE3
U5 LTC6992IS6-1
2
R93
154k 1%
R96
20K
3
MOD
OUT
GND
V+
SET
DIV
JP5
PULSE
6
5
4
R91
0
2
1
+5.5V
R94
1M
R95
20K
U6 LT1803IS5
C39
5
100nF
2
70Hz, 3% Duty Cycle
B
R97
681K
1%
3
C41
1.0uF
V+
VOUT
R92
1
Q24
3
INT
C40
150pF
-IN
Q23
R103
5K
C35
100uF
6.3V
1210
1
COUT22
COUT23
+ 330uF
+ 330uF
6.3V
6.3V
7343
7343
4
COUT25
100uF
6.3V
1210
2
COUT26
1.0uF
SUD50N04-8M8P-4GE3
R98
10K
J12
1
C42
1.0uF
82.5 1%
R101
0.01
2512
IOUT STEP
B
2
R102
OPT
2512
R104
649
1%
E8
GND
CUSTOMER NOTICE
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
TECHNOLOGY
`\
[j
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
3
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
HIGH EFFICIENCY, DUAL-OUTPUT SYNCHRONOUS BUCK
CONVERTER WITH POWER SYSTEM MANAGEMENT
SIZE
5
COUT24
100uF
6.3V
1210
VOUT1
EXT
R100
R99
182
1%
C34
100uF
6.3V
1210
2010
1
V+IN
3.3 1%
R90 0
R89
2
N/A
SCALE = NONE
2
DATE:
IC NO.
LTC3884EUK
DEMO CIRCUIT 2165A
SHEET 2
Friday, September 04, 2015
1
REV.
2
OF 3
A
5
4
3
2
1
ALL PARTS ON THIS PAGE ARE FOR DEMO BOARD ONLY, NOT NEEDED IN CUSTOMER DESIGN
E27
VDD33
FAULT1B
D12
1
2
ALERTB
SDA
SHARE_CLK
SCL
SYNC
R61 OPT
FAULT1B
D
J16
E22
4 AUX3V4
3
2
1
AUX3V4
SCL
GND
SDA
E23
E24
E25
D
E26
D10
OPT
SYNC
ALERTB
SDA
SCL
R62
OPT
E28
FAULT0B
SHARE_CLK
R63 0
FAULT0B
TO DC2086A
D11
OPT
AUXP
3V3
E20
J7
R65 0
3
4
A1
WP
A2
SCL
VSS
R72
4.99K
8 AUXVCC
SDA
OPT
RUN1
7
EEWP
6
EESCL
5
EESDA
DEMO HEADER (F) J8
R73
4.99K
R74
OPT
R75
OPT
RUN1
E31
SGND
SW2
RUN0
SW1
RUN1
ON
R69
10
5
2
R139
OPT
1206
R142
OPT
5
OFF
R70
10
2
OFF
C27
10nF
DEMO HEADER (M) J9
VIN
ON
C
4
1
FAULTB
CTRL
ALERTB
SDA
SHARE_CLK
SCL
RESETB
AUXP
UNUSED
UNUSED
GND
GND
12V
12V
4
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
6
3
100nF
VCC
R68
R67
OPT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
FAULTB
CTRL
ALERTB
SDA
SHARE_CLK
SCL
RESETB
AUXP
UNUSED
UNUSED
GND
GND
12V
12V
C26
A0
R66
0
E30
TO DC1613A
2
RUN0
R146
OPT
C
1
RUN0
3V3
1
2
3
4
5
6
7
8
9
10
11
12
U3
E29
6
3
AUXP
SDA
GND
SCL
LGKPWR
ALERTB
GPIO_1
OUTEN_0
OUTEN_1
GND
AUXSCL
AUXSDA
R64
OPT
C28
10nF
R126
OPT
24LC025-I/ST
E21
GND
3V3
3V3
3V3
3V3
3V3
B
2
B
GREEN
GREEN
Q21
FAULT0B
R78
15.8k
1
2N7002A
ALERTB
RED
2N7002A
PGOOD1
D8
GREEN
Q22
1
FAULT1B
GREEN
Q26
R81
127
PGOOD0
2
10K
2
R77
PGOOD0
D9
D7
1
VIN
R125
200
3
D6
3
D5
TP0101K
Q20
GPIO1
GPIO0
2
R130
200
1
1
2N7002A
Q25
PGOOD1
1
CUSTOMER NOTICE
2N7002A
2
VDD33
ALERTB
3
R80
200
2
3
R79
200
3
Q19
DMP3130L-7
3
3V3
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
TECHNOLOGY
`\
[j
TITLE: SCHEMATIC
HIGH EFFICIENCY, DUAL-OUTPUT SYNCHRONOUS BUCK
CONVERTER WITH POWER SYSTEM MANAGEMENT
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
N/A
SCALE = NONE
2
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
IC NO.
LTC3884EUK
DEMO CIRCUIT 2165A
Tuesday, October 06, 2015
1
SHEET 3
REV.
2
OF 3
A
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