DC1882A - Schematic

REVISION HISTORY
ECO
REV
DESCRIPTION
APPROVED
DATE
1
PRODUCTION FAB
M. MERCHANT
03-12-12
C3
1uF
U1
E1
9
VIN
4.5V - 32V
C1
4.7uF
50V
1210
E2
GND
R2
1M
R1
1M
5%
5%
C2
10uF
50V
1210
VIN
8
50V
1206
5
C+
C-
E6
VOUT
EN
1
2
3
ON
OFF
JP1
EN
E3
R5
1K
5%
E4
MODE
10
MODE
1
BURST
CONT
FREQ
2
3
JP2
C5
OPT
0603
11
C6
OPT
0603
EN
MODE
4
NC
1
NC
3
NC
6
NC
7
NC
12
RT
2
VOUT
C4
10uF
50V
1210
GND
LTC3261EMSE
( - VIN )
100mA
E7
GND
R3
1.0M
13
FREQ
R6
1K
5%
R4
200K
E5
50KHz
1
2
3
4
200KHz
500KHz
JP3
GND
CUSTOMER NOTICE
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE 0402, 1%, 1/16W
2. INSTALL SHUNTS AS SHOWN.
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.
APPROVALS
PCB DES.
TECHNOLOGY
NC
APP ENG. MARTY M.
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
LOW NOISE INVERTING CHARGE PUMP
SIZE
IC NO.
N/A
SCALE = NONE
DATE:
03-12-12
REV.
LTC3261EMSE
DEMO CIRCUIT 1882A
1
SHEET 1
OF
1
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