DC1964A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
D1
2
VEXT
E1
1
D
XAL5030-222ME
9
SVSYS
3
CMPIN
3
1
R22
1K
LTC3110EUF
JP2
RUN
1
R1
24
10
1
C15
0.1uF
VMID
C10 OPT
11
R5
R6
1.02Meg OPT
1
7
C6
0.1uF
C
VCAP
PROG
R10
1.91Meg
3
FBVCAP
5
6
8
4
R18 931K
FB
MODE
CHRGB
CAPOK
JP5 FBVCAP
24
R14
1.5Meg
BURST
2
FIXED FREQ.
R17 1 Meg
22
R15
845K
GND
E8
GND
E9
R19
23
E11
1 Meg
GND
GND
GND
JP4
MODE
E12
E13
25
3
DIR
SW1
15
1
EXT.DIR
16
SGND
3
2
2.5V
5.0V
2
DIR
CMPOUTB
AUTO
2
1
C13
470pF
OPT
4
CHRGB
R20
1 Meg
C11
10uF
20
3
JP3
PROG
C14
OPT
19
2
2A
R12
280K
E10
0.1uF
VMID
VCAP
1A
R16 100K
B
GND
E5
OFF
21 C9
RSEN
R8 6.04K
R13 2.0K
R11
OPT
C5
5F
OPT
E6
R7 6.04K 0.5A
R9
200K
RUN
VSYS
+
VCAP
MAX. 5.5V
C8
5F
OPT
ON
2
3
R4
576K
VSYS
5
3
12
VSYS
R2*
0.1uF
+
C3
HS230F
1.2F
5.5V
BAL
1
2
V+
R3
634K
E3
2
14
SW2
13
U1
D2
BAV70W
1
2
3
C4
1uF
SW2
E4
18
L1 2.2uH
1
C2
47uF
1210
SW1
100uF
6.3V
OPT
7343
C1
22uF
OPT
1210
17
+ C17
SW1
100uF
6.3V
OPT
7343
GND
C
4-29-15
MBR230LSFT
+ C16
JP1
FB
DATE
VICTOR K.
E2
1.8V - 5.25V
3.2V
1.8V
APPROVED
VSYS
VSYS
D
DESCRIPTION
PRODUCTION
2
B
GND
CAPOK
CMPOUTB
EXT.DIR
E14
R21
OPT
CUSTOMER NOTICE
A
NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE 0603.
ALL CAPACITORS ARE 0603.
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
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
VICTOR K.
5
4
3
TITLE: SCHEMATIC
2A, BIDIRECTIONAL BUCK-BOOST DC / DC REGULATOR
AND CHARGER / BALANCER
SIZE
N/A
2. * R2 IS OPTIONAL.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
TECHNOLOGY
HZ
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
SCALE = NONE
2
DATE:
IC NO.
LTC3110EUF
DEMO CIRCUIT 1964A
REV.
2
Wednesday, April 29, 2015
SHEET 1
1
OF 1
A
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