DC1582B - Schematic

1
2
REVISION HISTORY
ECO
REV
1
1
DESCRIPTION
APPROVED
PRODUCTION
JAMES N.
DATE
4-15-10
VAUX
C3
1uF
6.3V
Place on Back of Board
D1 (OPT)
2
1
E5
U1
A
E3
C1 1nF
9
8
7
2
VAUX
*2
VAUX
GND
3
OFF
JP2
1
1
JP1
C1
VOUT
VOUT2_EN
VOUT2
VS1
VLDO
VS2
PGD
JP3
*
2
3
CHARGE
3
DISCHARGE
R1
100
4
5
C11
220uF
6.3V
C7
(OPT)
C9
(OPT)
E4
VOUT
6
C6
220uF
6.3V
E6
GND
GND
VOUT2
C5
0.1uF
6.3V
VLDO
C4
2.2uF
6.3V
VOUT JUMPER CONFIGURATION
*
*
E7
3
ON
VAUX
3
GND
VOUT2
1
+
E2
JP4
1
13
C8
330uF
4V
VLDO
2
GND
10
3
VSTORE
C10
(OPT)
+
1
C2
1
+
E1
VIN
20mV - 400mV
VAUX
2
11
C2 330pF
SW
+
R2 499K
+
12
LPR6235-752SML
4
A
VSTORE
**
T1
2
GND
LTC3108
VOUT
E8
VLDO
E9
GND
LTC3108-1
JP2
JP3
GND
GND
2.35V
2.5V
VAUX
GND
3.3V
3.0V
GND
VAUX
4.1V
3.7V
VAUX
VAUX
5.0V
4.5V
VOUT
E10
PGD
B
B
CUSTOMER NOTICE
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE IN 0603.
ALL CAPACITORS ARE IN 0603.
**
2. INSTALL SHUNTS AS SHOWN.
ASSY
U1
-A
LTC3108EDE
-B
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.
PCB DES.
HZ
APP ENG.
JIM N.
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
ULTRALOW VOLTAGE STEP-UP CONVERTER AND POWER MANAGER
SIZE
LTC3108EDE-1
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
1
APPROVALS
IC NO.
N/A
SCALE = NONE
LTC3108EDE / LTC3108EDE-1
DEMO CIRCUIT 1582B
Friday, April 23, 2010
DATE:
2
SHEET 1
REV.
1
OF 1
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