DC1583A - Schematic

1
REVISION HISTORY
ECO
REV
DESCRIPTION
APPROVED
2
PRODUCTION FAB
J. DREW
DATE
06-15-10
E3
E1
VIN
2.7V - 5.5V
* VOUT
C3
0.1uF
16V
C2
10uF
6.3V
0805
1
5.3V / 4.5V
JP1
2
4.8V / 4.0V
3
ON
L2
3.3uH
L1
PFI
3
CTL
4
VSEL
PROG
6
12
SW1
1
VMID
10
PGOOD
9
PFO
8
EN
2
A
C7-1
10F
OPT
+
C7-2
25F
OPT
E4
VMID
3.3uH
V+
3
BAL
GND
13
R3
OPT
3
OFF
JP2
11
VOUT
SW2
7
5
ENABLE
1
VSEL
2
VIN
+
2
* U1
R2
100K
R1
1
C5
22uF
6.3V
20%
0805
1
C1
10uF
6.3V
0805
C4
0.1uF
16V
R4
71.5k
C9
HS230F
1.2F
39mm x 17mm
5.5V
+
C6
22uF
6.3V
20%
0805
C8-1
10F
OPT
+
C8-2
25F
OPT
A
E2
E5
GND
GND
E6
GND
R5 1M
E7
V PULL-UP
R6 1M
E8
PGOOD
E9
PFO
CUSTOMER NOTICE
*
ASSY TYPE
U1
VOUT
-A
LTC3625EDE
5.3V - 4.8V
-B
LTC3625EDE-1
4.5V - 4.0V
Unless noted:
Resistors: Ohms, 0402, 1%, 1/16W
Capacitors: uF, 0402, 6.3V
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
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
1
APPROVALS
PCB DES.
NC
APP ENG.
J. DREW
SCALE = NONE
TECHNOLOGY
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
1A HIGH EFFICIENCY 2-CELL SUPERCAPACITOR CHARGER WITH
AUTOMATIC CELL BALANCING
SIZE
IC NO. LTC3625EDE / LTC3625EDE-1
REV.
N/A
2
DEMO CIRCUIT 1583A-A/B
DATE:
Monday, August 23, 2010
SHEET 1
OF
1
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