DC2283A - Schematic

5
4
3
2
1
REVISION HISTORY
VIN1
VDD33_1
J1
R2 1 1%
VIN
7V - 14V
+ C2
270uF
16V
J2
0805
R3
0
INTVCC_1
EXTVCC
C4 4.7uF
E2
R4
0
CIN1
22uF
1210
4.7uF
SCL
SDA
ALERTB
SHARE_CLK
11
SCL
12
SDA
13
ALERTB
14
SHARE_CLK
27
RUN0
17
RUN1
18
RUN1
26
WP1
46
47
25
38
28
IIN-
SW0
BOOST0
SDA
BG0/EN0
ALERTB
ISENSE0+
RUN0
ISENSE0-
RUN1
VSENSE0+
WP
VSENSE0-
10
9
C17
10nF
TG1/PWM1
ITH_R1
SW1
ITH1
TSNS0
BG1/EN1
TSNS1
VDD25_1
VSENSE1+
VOUT0_CFG
VSENSE1-
J4
GND
E4
VSENSE0-
OPT
VOUT0C
35
TG1
34
SW1
TG1 SHT3
36
BST1
37
BG1
SW1 SHT3
Q3
BSG0811ND
CIN8
22uF
1210
5
6
7
3
4
CIN5
22uF
1210
PHASE_CFG
CIN7
22uF
1210
L2
E5
CIN6
22uF
1210
VSENSE1+
VOUT1+
R18
10
1%
VOUT1
0.25uH
VOUT1 SHT 2,3
J5
2
C16
220nF
R19
0
C15
0.1uF
D2
VOUT1
744301025
VIN1
INTVCC_1
SW1 SHT3
8
32
31
CMDSH-3-TR
15
BG1 SHT3
R20
715
1%
R114
0
COUT5
100uF
6.3V
1210
COUT6
100uF
6.3V
1210
COUT7
+ 470uF
2.5V
7343
COUT8
+ 470uF
2.5V
7343
1.0V AT 160A
J6
FREQ_CFG
FAULT0
41
R23 1.96k 1%
FAULT1
5
6
7
1
16
GND
R21
10
1%
2
Q4
8
VSENSE1+
B
E6
VSENSE1-
BSG0811ND
VOUT1-
VSENSE1-
10
OPT
R113
0
R17
VOUT1_CFG
PGOOD0
24
R28
COUT4
+ 470uF
2.5V
7343
VSENSE0-
48
23
ASEL1
PGOOD1
22
ISENSE1-
33
C14
10nF
ASEL0
GND
21
OPT
2
COUT3
+ 470uF
2.5V
7343
R16
OPT
VSENSE0+
1
49
20
R27
1
COUT2
100uF
6.3V
1210
VIN1
ITH0
ISENSE1+
19
OPT
8
VOUT0
COUT1
100uF
6.3V
1210
BSG0811ND
9
30
Q10
R26
8
C9
220nF
ITH_R0
BOOST1
ITH1
OPT
Q2
7
SHARE_CLK
VOUT0 SHT 3
J3
R14
715
1%
2
BG0 SHT3
4
ITH_R1
29
R25
5
6
7
1
CMDSH-3-TR
42 BG0
0.25uH
D1
0.1uF
3
C13 OPT
ITH0
R22 30.1k 1%
R15 0
VOUT0
744301025
9
C12 OPT
Q9
MMBT3906-AL3-R
SOT-323
43 BST0
INTVCC_1
4
5
6
MMBT3906-AL3-R
SOT-323
C8
45 SW0
3
ITH_R0
3
LTC3884EUK
L1
44 TG0
R5
OPT
SW0 SHT3
VIN1
8
SW0 SHT3
TG0/PWM0
SCL
VOUT0+
C11 3.3nF
2
OFF
B
SYNC
U1
E3
VSENSE0+
10
C10 150pF
EXTVCC
PGND
JP1
WP1
ON
1
C
40
SYNC
RUN0
D
2
3
R13
2k
SYNC
lA _A
CIN4
22uF
1210
10
R12
2k
CIN3
22uF
1210
10
R11
2k
VDD33
R10
10K
VDD25
R9
2k
INTVCC
39
VIN
R8
10K
CIN2
22uF
1210
5
6
7
1
OPT
R7
10K
APPROVED
12/17/15
9
VDD33_1
R6
10K
DATE
PROD
TG0 SHT3
4
C6
DESCRIPTION
Q1
BSG0811ND
C5
VIN-
2
VIN1
C3 2.2uF
GND
REV
-
VIN
IIN+
D
+ C32
270uF
16V
VIN1
VDD25_1
1.0uF
C7
ECO
2.2uF
9
C1
R1
0.002
2010
VIN
3
VIN+
4
E1
VDD33_1
E13
R24
VDD33_1
PGOOD1
R31
OPT
R32
VDD33_1
PGOOD0
OPT
R29
10K
OPT
R30
10K
E14
VDD33_1
R34
10K
R35
OPT
R36
OPT
R37
OPT
R38
OPT
FAULT0
FAULT1
R33
10K
PGOOD0
PGOOD1
E9
CUSTOMER NOTICE
EXTVCC
EXTVCC
OPTION FOR FOUR-PHASE CONFIGURATION CONNECTION
E38
A
GND
R39
ITH0
R40
ITH1
VSENSE0+
0
R43
RUN1
VSENSE00
R46
FAULT1
PGOOD0
0
l_
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
2010
4
POLYPHASE 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 0
ITH_R1
0
5
2010
R47 0
TECHNOLOGY
`\
PGOOD1
0
R156
ITH_R0
2010
R44 0
VSENSE1-
0
R45
FAULT0
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.
VOUT1
R41 0
VSENSE1+
0
R42
RUN0
VOUT0
APPROVALS
DATE:
IC NO.
LTC3884EUK
DEMO CIRCUIT 2283A
Thursday, December 17, 2015
1
SHEET 1
REV.
2
OF 4
A
5
4
VIN
3
2
1
VIN2
VDD33_2
C36
VIN2
VDD25_2
1.0uF
VIN
VIN2
C23 2.2uF
EXTVCC
TG2 SHT3
R149 R109
0
0
INTVCC_2
C29
C24
3
0805
D
SW2 SHT3
SYNC
SCL
SCL
12
SDA
13
ALERTB
14
SHARE_CLK
27
SDA
ALERTB
17
RUN1
18
WP2
46
47
IIN-
28
BOOST0
SDA
BG0/EN0
ALERTB
ISENSE0+
9
RUN0
ISENSE0-
RUN1
VSENSE0+
WP
VSENSE0-
TG1/PWM1
ITH_R1
SW1
ITH1
TSNS0
BG1/EN1
TSNS1
24
ASEL1
VSENSE1+
VOUT0_CFG
VSENSE1-
BG2 SHT3
VSENSE1+
2
FREQ_CFG
PHASE_CFG
FAULT0
35
TG3
34
SW3
36
BST3
37
SW3 SHT3
1
3
CIN16
22uF
1210
CIN13
22uF
1210
5
6
7
BG3
C21
220nF
4
R140
0
C46
0.1uF
INTVCC_2
D4
VIN2
8
SW3 SHT3
FAULT1
CIN15
22uF
1210
CIN14
22uF
1210
CMDSH-3-TR
31
15
VOUT1
0.25uH
744301025
R143
715
1%
R117
0
COUT12
100uF
6.3V
1210
COUT11
100uF
6.3V
1210
COUT13
+ 470uF
2.5V
7343
COUT14
+ 470uF
2.5V
7343
5
6
7
1
16
B
2
Q8
8
BSG0811ND
VSENSE1-
OPT
BG3 SHT3
VDD33_2
R141 OPT
R152 OPT
VDD33_2
OPT
C
32
0
R82
R148
0
L4
2
R132
R119 OPT
COUT15
+ 470uF
2.5V
7343
VIN2
Q7
BSG0811ND
48
33
49
41
R59
COUT9
+ 470uF
2.5V
7343
R134 OPT
VSENSE1-
VSENSE1+
R154 OPT
COUT10
100uF
6.3V
1210
BSG0811ND
VOUT1_CFG
PGOOD0
23
ISENSE1-
PGOOD1
22
ASEL0
GND
21
R108 30.1k 1% R153 3.57k 1%
8
TG3 SHT3
ITH0
PGND
19
VDD25_2
8
1
COUT16
100uF
6.3V
1210
Q6
C33
220nF
ITH_R0
ISENSE1+
20
B
7
SHARE_CLK
9
Q28
C18
10nF
R135
715
1%
2
BOOST1
Q11
MMBT3906-AL3-R
SOT-323
5
6
7
1
4
30
10
MMBT3906-AL3-R
SOT-323
CMDSH-3-TR
42 BG2
9
47pF
29
C38
10nF
43 BST2
744301025
9
25
38
SCL
INTVCC_2
D3
R53 0
4
6
ITH_R1
3
SW0
C37
0.1uF
3
5
2
ITH1
LTC3884EUK
44 TG2
45 SW2
OPT
OFF
C20
TG0/PWM0
VOUT1
0.25uH
10
C19
26
U2
3
JP2
WP2
ON
1
C
SYNC
L3
SW2 SHT3
10
SHARE_CLK
11
VIN2
8
4
SYNC
EXTVCC
3
40
10
R115
OPT
D
CIN10
22uF
1210
VOUT1 SHT 1,3
10
R111
OPT
CIN11
22uF
1210
2
IIN+
R110
OPT
VDD33
R83
OPT
VDD25
R51
OPT
INTVCC
R57
OPT
CIN9
22uF
1210
5
6
7
1
OPT
39
4.7uF
VIN
R131
10K
CIN12
22uF
1210
C45
4.7uF
VDD33_2
Q5
BSG0811ND
9
R60 1 1%
2.2uF
4
C47
R129
0.002
2010
R49
OPT
R112 OPT
R50
OPT
R151 OPT
R56
OPT
R118 OPT
R84
OPT
FAULT1
PGOOD1
CUSTOMER NOTICE
E37
GND
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
`\
l_
TITLE: SCHEMATIC
POLYPHASE 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
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
DATE:
IC NO.
LTC3884EUK
DEMO CIRCUIT 2283A
Thursday, December 17, 2015
1
SHEET 2
REV.
2
OF 4
A
5
4
3
2
1
OPTIONAL MOSFETs
OPTIONAL 5.5V BIAS
VIN2
D
U4
LTC3630EMSE
SW3
12
5
BG3
11
R106
80.6k
1%
1
2
3
BG2
VPRG1
FBO
VPRG2
ISET
SS
R105
118K
1%
9
C48
OPT
OPT
C44
100uF
10V
1210
C30
100uF
10V
1210
7
6
R107
20K
C49
OFF
Q18
OPT
4
3
Q16
OPT
4
1
2
3
BG1
2
RUN
SUMIDA CDRH105
C43
220pF
10
47nF
1
2
3
Q14
OPT
4
1
2
3
BG0
5
5
5
Q13
OPT
4
VFB
5
ON
SW
D
R87
1
GND
JP4
BIAS
VIN
C31
10uF
16V
1210
4
TG3
SW2
0
3
GND
SW1
CIN23
OPT
1210
EXTVCC
+5.5V
L5
68uH
17
TG2
CIN24
OPT
1210
GND
Q27
OPT
8
SW0
CIN21
OPT
1210
4
1
2
3
TG1
CIN22
OPT
1210
R116
1
4
Q17
OPT
5
CIN19
OPT
1210
1
2
3
4
CIN20
OPT
1210
5
Q15
OPT
1
2
3
CIN17
OPT
1210
1
2
3
TG0
CIN18
OPT
1210
5
Q12
OPT
5
VIN
GND
VIN2
14
VIN1
16
VIN1
C
C
VOUT0 SHT 1
VOUT0
DYNAMIC LOAD TEST CIRCUIT, FOR DEMO BOARD ONLY
R88
J10
0
1
VOUT0
2010
+ COUT17 + COUT18
OPT
OPT
7343
7343
COUT19
100uF
6.3V
1210
COUT20
100uF
6.3V
1210
COUT27
100uF
6.3V
1210
COUT21 2
1.0uF
EXT PULSE
E7
VOUT1 SHT 1,2
VOUT1
SUD50N04-8M8P
U5 LTC6992IS6-1
2
R93
154k
B
R96
20K
3
MOD
OUT
GND
V+
SET
DIV
JP5
PULSE
6
5
4
R91
0
2
1
+5.5V
R94
1M
U6 LT1803IS5
C39
5
R95
20K
100nF
2
70Hz, 3% Duty Cycle
R97
681K
1%
3
C41
1.0uF
V+
VOUT
R92
1
Q24
3
INT
C40
150pF
-IN
Q23
C34
100uF
6.3V
1210
4
VOUT0
A
R85
OPT
2512
+ COUT22
OPT
7343
+ COUT23
OPT
7343
COUT24
100uF
6.3V
1210
COUT25
100uF
6.3V
1210
COUT28
100uF
6.3V
1210
B
J12
1
C42
1.0uF
82.5 1%
IOUT STEP
2
R102
0.01
2512
R104
1k
1%
E8
GND
VOUT1
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.
R86
OPT
2512
TECHNOLOGY
`\
l_
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
3
2
POLYPHASE SYNCHRONOUS BUCK
CONVERTER WITH POWER SYSTEM MANAGEMENT
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
BLEEDER LOADS
5
COUT26 2
1.0uF
SUD50N04-8M8P
R98
10K
R101
OPT
2512
R103
5K
VOUT1
EXT
R100
R99
301
1%
1
2010
C35
100uF
6.3V
1210
1
V+IN
3.3 1%
J11
R90 0
R89
2
DATE:
IC NO.
LTC3884EUK
DEMO CIRCUIT 2283A
Thursday, January 07, 2016
1
SHEET 3
REV.
2
OF 4
A
5
4
3
2
1
VDD33_1
D13
1
2
ALL PARTS ON THIS PAGE ARE FOR DEMO BOARD ONLY, NOT NEEDED IN CUSTOMER DESIGN
E27
VDD33_2
D12
1
2
SDA
SHARE_CLK
SCL
SYNC
R138 OPT
FAULT1
E22
J16
D
FAULT1
ALERTB
E23
4 AUX3V4
3
2
1
AUX3V4
SCL
GND
SDA
E24
E25
E26
D10
OPT
SYNC
ALERTB
SDA
SCL
R133
OPT
D
E28
FAULT0
SHARE_CLK
R137 0
FAULT0
TO DC2086A
D11
OPT
AUXP
3V3
E36
J14
3
4
A1
WP
A2
SCL
VSS
R128
4.99K
8 AUXVCC
SDA
RUN1
7
EEWP
6
EESCL
5
EESDA
DEMO HEADER (F) J13
R150
4.99K
R122
OPT
R136
OPT
RUN1
FAULTB
CTRL
ALERTB
SDA
SHARE_CLK
SCL
RESETB
AUXP
UNUSED
UNUSED
GND
GND
12V
12V
SW2
RUN0
SW1
RUN1
ON
5
R69
10
2
VIN
R142
OPT
1206
C
R70
10
5
OFF
2
OFF
DEMO HEADER (M) J15
R139
OPT
ON
4
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
6
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
4
1
FAULTB
CTRL
ALERTB
SDA
SHARE_CLK
SCL
RESETB
AUXP
UNUSED
UNUSED
GND
GND
12V
12V
100nF
U7
VCC
R120 OPT
R145
OPT
R127
0
E35
C50
A0
RUN0
R146
OPT
C
2
RUN0
R147 0
TO DC1613A
1
E34
3V3
1
2
3
4
5
6
7
8
9
10
11
12
6
3
AUXP
SDA
GND
SCL
LGKPWR
ALERTB
GPIO_1
OUTEN_0
OUTEN_1
GND
AUXSCL
AUXSDA
R121
OPT
C27
10nF
C28
10nF
R126
OPT
24LC024-I/ST
E21
GND
3V3
3V3
3V3
3V3
B
2
B
3V3
3
2
3
3
GREEN
R124 10K
Q21
R144
15.8k
GREEN
ALERTB
RED
R155
15.8k
1
2N7002A
1
PGOOD1
D8
GREEN
Q22
FAULT1
GREEN
Q26
2N7002A
R81
127
2
FAULT0
PGOOD0
D9
D7
2
R123 10K
DMP3130L-7
Q20
D6
1
VIN
1
VIN
1
GPIO1
GPIO0
D5
ALERTB
3
2
R80
200
VDD33_2
PGOOD0
1
2N7002A
Q25
1
PGOOD1
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
2N7002A
2
Q30
DMP3130L-7
3
3
3V3
VDD33_1
R125
200
2
Q29
DMP3130L-7
R130
200
3
3V3
R79
200
TECHNOLOGY
`\
l_
TITLE: SCHEMATIC
POLYPHASE SYNCHRONOUS BUCK
CONVERTER WITH POWER SYSTEM MANAGEMENT
SIZE
N/A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
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 2283A
Thursday, December 17, 2015
1
SHEET 4
REV.
2
OF 4
A
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