7
dc2598af
DEMO MANUAL DC2598A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
SCHEMATIC DIAGRAM
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
VIN
4V - 60V
EN/UVLO
GND
ALL CAPACITORS ARE 0402.
NOTE: UNLESS OTHERWISE SPECIFIED
2MHz
ALL RESISTORS ARE 0402.
12V 4A
OUT
PGOOD
ISMON
SYNC
GND
CTRL
OPT
EMI
FILTER
GND
*
*
SEE DEMO MANUAL
LOADEN
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY 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 LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
www.linear.com
3
DC2598A
Tuesday, May 23, 2017
1
1
60V
2MHz
SYNCHRONOUS
BUCK-BOOST
CONTROLLER
N/A
LT8390AEUFD
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY 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 LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
www.linear.com
3
DC2598A
Tuesday, May 23, 2017
1
1
60V
2MHz
SYNCHRONOUS
BUCK-BOOST
CONTROLLER
N/A
LT8390AEUFD
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY 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 LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
www.linear.com
3
DC2598A
Tuesday, May 23, 2017
1
1
60V
2MHz
SYNCHRONOUS
BUCK-BOOST
CONTROLLER
N/A
LT8390AEUFD
M
1
BSZ065N06LS5
E9
R7
383K
FB1
OPT 1206
C20 22uF
1206
25V
C41
R22 OPT 0805
C32 4.7uF
1206
100V
U1
LT8390AEUFD
EN/UVLO
6
PGOOD
14
TEST
7
CTRL
10
LOADEN
8
ISP
11
SYNC/SPRD
19
SS
15
LOADTG
20
VC
17
RT
18
VREF
9
ISMON
13
LSN
3
LSP
2
ISN
12
FB
16
TG2
22
SW2
23
BG2
25
BG1
26
SW1
28
TG1
1
BST1
27
BST2
24
VIN
4
INTVCC
5
GND
29
VOUT
21
R19
10
R5 110K 1%
C34 OPT
JP1
SSFM
ON
SYNC
NO
SSFM/SYNC
SYNC/SSFM
1
5
3
2
4
6
C39 OPT
R3
59.0K
R6
10.0K
D3 PMEG2010EJ
D5
OPT
C42
C30 OPT 0805
R11
100K
C27
1uF
D4
OPT
R25 OPT
E5
C45 22uF
1206
25V
R29 OPT
R12 OPT
R4 10K
+
C10 22uF 63V
63CE22FS
C4
2.2nF
C6 1uF
25V 0603
C14 22uF
1206
25V
C5 22nF
FB2
R14
0
J3
L1
1.0uH
74437336010
R1
0.005
KRL3216
1
3
2
4
R27 OPT 0805
FB3
R26
0
C1 1uF 100V 0805
C33
OPT 1206
R28
OPT
R17
0
R16
0
R18
10
C2 4.7uF 10V
C35 0.1uF 0402 100V
FB4
C7 0.1uF
R20
OPT
R10
75.0K
1%
L2
OPT
XEL4020
C37
0.1uF
25V
M
3
BSZ031NE2LS5
C26
OPT
E6
FB5
1206
C8
0.1uF
C3
0.47uF
R23 OPT 0805
C36 0.1uF 0402 100V
C38
0.1uF
25V
J4
FB6
OPT
E4
E11
OPT
J2
R9
124K
E10
J1
C29 OPT 0805
E7
R15 0
D1 BAT46WJ
C40
E2
R24 0
R21
OPT
R2
0.01
1206
E3
M
2
BSZ065N06LS5
Q
1
OPT
4
5
6
7
1
2
3
8
R30 OPT
M
4
BSZ031NE2LS5
R8 165K
E1
E8
D2 BAT46WJ
C12 4.7uF
1206
100V
C44 0.1uF 25V
ISP
ISN
INTVCC
INTVCC
VREF
VREF
VREF
INTVCC
LOADTG
LOADTG
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