DC1722A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
VIN
5V - 55V
(3.5V Min)
DESCRIPTION
DATE
APPROVED
3
PROD
04/17/12
DAVID B.
VIN
E1
R7
+
D
GND
REV
E2
CIN1
10uF
63V
CIN3
2.2uF
100V
1210
(OPT)
0.025
2010
CIN2
2.2uF
100V
1210
U1
E3
CLKIN
2
BURST
CLKIN 4
1
6
5
SKIP
R6
LTC3864EMSE
MODE
3
1
R1
JP2
2
0 Ohm
3
E4
TRACK
PLL/MODE
0 Ohm
GATE
FREQ
VIN
GND
SENSE
12
SS
CAP
VFB
RUN
10
E9
L1
10uH
0.1uF
100V
0805
XAL5050-103ME
COILCRAFT
D1
SBR3U100LP-7
D2
PDS5100-13
PowerDi5
(OPT)
9
E5
COUT1
100uF
6.3V
1812
COUT2
100uF
6.3V
1812
C9
(OPT)
"D" Case
+
VOUT
5V / 2A
COUT3
1uF
6.3V
0603 E6
C
0.1uF
5
R4
0 Ohm
C1
100pF
5%
VOUT
Q2
Si7465DP
(OPT)
11
0.1uF
C4
47pF
5%
Q1
FDMC5614P
C7
C5
4
R3
80.6K
1%
R8
0 Ohm
C6
C
D
8
GND
E8
R5
422K
1%
6
R2
10.0K
1%
C2
2200pF
ITH
PGOOD
7
GND
C8
220pF
5%
13
VIN
VOUT
B
B
R10
0 Ohm
R9
100k
SHDN
1
R11
(OPT)
ON
2
E7
PGOOD
3
OFF
JP1
CUSTOMER NOTICE
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.
A
TECHNOLOGY
RB/MI
DAVID B.
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
TITLE: SCHEMATIC
60V, LOW IQ , STEP-DOWN CONTROLLER
SIZE
N/A
C:\DESIGN\17\1722A-3\1722A-3.DSN
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035 www.linear.com
Phone: (408)432-1900
Fax: (408)434-0507
DATE:
2
IC NO.
REV.
LTC3864EMSE
DEMO CIRCUIT 1722A
05/11/12 11:55:11
3
SHEET
1
1
OF
1
A
Similar pages