DC1596A - Schematic

A
B
C
D
E
REVISION HISTORY
ECO
REV
__
DESCRIPTION
2
APPROVED
PRODUCTION
TOM G.
DATE
3-15-13
4
4
R11
0 Ohm
0805
E2
JP1
RUN1
ON
OFF
JP2
RUN2
RF
100
1
2
3
1
2
3
BURST MODE
PULSE-SKIP
2
E4
RPG1
100k
GND
E11
JP4
VFB1
2
1.2V
1.5V
1.8V
USER SELECT
1
3
5
7
2
4
6
8
7
PVIN2
3
SVIN
PVIN1
PGOOD1
E5
LTC3607EUD
SGND
SGND
SW2
8
E8
Vishay
IHLP-1616BZER4R7M11
COUT2
10uF
6.3V
CFFW2
22pF
R2
887k
1%
COUT6
47uF
6.3V
OPT
3
R4
280k
1%
R5
140k
1%
R6
196k
1%
R7
105k
1%
R8
121k
1%
VOUT2
600mA
COUT4
0.1uF
16V
E10
R3
210k
1%
R9
OPT
E12
GND
GND
JP5
VFB2
1
3
5
7
2
2
4
6
8
2.5V
3.3V
5V
USER SELECT
R10
OPT
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.
1
[*] CIN3 AND CIN4 ARE INSERTED ON DC1596A TO DAMPEN THE (POSSIBLE)
RINGING VOLTAGE DUETO THE USE OF LONG INPUT LEADS. ON A NORMAL,
TYPICAL PCB, WITH SHORT TRACES, CIN3 AND CIN4 ARE NOT NEEDED.
A
PGOOD2
RPG2
100k
SW1
10
12
R1
210k
1%
Vishay
IHLP-1616BZER2R2M11
GND
COUT1
10uF
6.3V
OFF
U1
15
GND
E9
CFFW1
22pF
*
PVIN2
4.5V - 15V
+ CIN4
22uF
35V
L2
4.7uH
5
COUT5
47uF
6.3V
OPT
+ CIN6
47uF
20V
OPT
11
L1
2.2uH
E7
COUT3
0.1uF
16V
PGOOD2
17
VOUT1
600mA
ON
CIN2
10uF
16V
RSD2
5.1M
MODE/SYNC
PGND1
PGOOD1
1
4
3
RUN1
E6
JP3
MODE/SYNC
1
2
3
4
5
6
VFB1
SYNC
EXT SYNC
6
CF
0.1uF
16
RSD1
5.1M
CIN2BYP
0.1uF
16V
13
CIN1BYP
0.1uF
16V
RUN2
CIN1
10uF
16V
VFB2
E3
+ CIN5
47uF
20V
OPT
14
*
+ CIN3
22uF
35V
PGND2
GND
E1
9
PVIN1
4.5V - 15V
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
B
C
TECHNOLOGY
HZ
TG
TITLE: SCHEMATIC
DUAL 600mA MONOLITHIC, SYNCHRONOUS STEP-DOWN REGULATOR
SIZE
IC NO.
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
REV.
LTC3607EUD
DEMO CIRCUIT 1596A
2
Monday, May 13, 2013
DATE:
D
SHEET 1
E
OF 1
1
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