12
Rev. 0
SCHEMATIC DIAGRAM
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
* SEE TABLE ON PAGE 1
SLAVE 3 *
*
*
I_STEP
SG_INPUT
OPTIONAL TRANSIENT RESPONSE CIRCUIT
GND
GND
GND
DRIVER BIAS 10V MAX
VIN EMI
VIN EMI
3.0V - 5.5V
GND
GND
10V MAX
OPT
3.3V TO 1.2V AT 50A, 37.5A, 25A, MULTIPHASE 2MHz AUTOMOTIVE LOW EMI BUCK REGULATOR IN A 1.18cm² PER PHASE SOLUTION
VIN_EMI
MODECOM
VOUT
EN
ITH
PGOOD
VIN
DATE:
SHEET
OF
TITLE: SCHEMATIC
APPROVALS
PCB DES.
APP ENG.
SIZE:
SCHEMATIC NO. AND REVISION:
CUSTOMER NOTICE
THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND
SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.
www.analog.com
SKU NO.
IC NO.
ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE.
34
NC
WL
710-DC3186A_REV02
N/A
LTC3311
09/20/21
DATE:
SHEET
OF
TITLE: SCHEMATIC
APPROVALS
PCB DES.
APP ENG.
SIZE:
SCHEMATIC NO. AND REVISION:
CUSTOMER NOTICE
THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND
SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.
www.analog.com
SKU NO.
IC NO.
ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE.
34
NC
WL
710-DC3186A_REV02
N/A
LTC3311
09/20/21
DATE:
SHEET
OF
TITLE: SCHEMATIC
APPROVALS
PCB DES.
APP ENG.
SIZE:
SCHEMATIC NO. AND REVISION:
CUSTOMER NOTICE
THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND
SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.
www.analog.com
SKU NO.
IC NO.
ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE.
34
NC
WL
710-DC3186A_REV02
N/A
LTC3311
09/20/21
R18 0.02
2818 10W
C58 10uF
0603
C28 22uF
0805
+
C60
470uF
C51 10uF
0603
+
C64
470uF
R14
C61 0.1uF
C32 0.1uF
C59 10uF
0603
E18
C65 0.1uF
L4
0.1uH
XEL4030-101MEB
C62 10uF
0603
TP9
E19
C46 10uF
0603
E27
C63 10uF
0603
L5
100 OHMS@100MHz
R19 10k
5%
E4
R13
TP8
C47 10uF
0603
C23 1uF
0201
E28
U5
LT1010-DD
8
1
6
2
3
9
R21
0
Q1
SUM50020E-GE3
2
1
3
E23
E6
R16 0.02
2818 10W
R17 10k
5%
U4
LTC3311JV
EN
1
SW
6
FB
18
ITH
17
MODE/SYNC
13
RT
15
PGOOD
14
SSTT
16
VIN
3
PGND
5
AGND
2
VIN
11
VIN
12
VIN
4
SW
7
SW
8
SW
9
PGND
19
PGND
10
C54 0.1uF
+
C29 470uF
L6
100 OHMS@100MHz
TP6
C55 10uF
0603
C31 0.01uF
0201
+
C39 470uF
C22
C56 10uF
0603
C34 OPT
TP7
+
C40 470uF
C24 22uF
0805
L7
100 OHMS@100MHz
E20
+
C1
470uF
C43 0.01uF
0201
L8
100 OHMS@100MHz
+
C35 470uF
C52 22uF
0805
+
C15
470uF
E22
E26
C25 22uF
0805
C57 0.1uF
SW4
VIN
RT4
VIN
VOUT
VIN