DC2119A - Schematic

A
B
C
D
E
REVISION HISTORY
D2
L1
4
OPT
VCC
SW2
D1
PMEG2010EA
VOUT
2.7V - 40V
13
BST1
BST2
10
VIN
14
PVIN
11
PVCC
9
3
PWM
C10
4.7uF
50V
1812
+
C12
1uF
50V
1206
C5
OPT
5
8
C9
4.7uF
6.3V
0603
E4
2
C13
0.1uF
0805
16
4
PVOUT
VCC
FB
GND
DATE
-
1
PRODUCTION FAB
J.NOON
06 - 04 - 13
E1
OPT
VOUT
5.0V
2A VIN > 6.0V
RUN
R1
1M
OPT
7
R4
137k
R8
0
VC
R3
15k
C8
3300pF
C14
47uF
10V
1812
0603
6
RUN
1
C11
10pF
C6
47uF
10V
1812
3
C7
1uF
25V
0603
R2
249k
U1
LTC3115EDHD-2
E2
GND
GND
VIN
ON
1
2 RUN
3
OFF
R5
C3
OPT
OPT
JP2
1
FIXED FREQ
SYNC
BURST MODE
2
UNLESS NOTED:
RESISTORS: OHMS, 0402, 1%
CAPACITORS: uF, 0402
R6
1M
RUN
4
C4
33pF
VOUT
3
RT
R7
47.5k
APPROVED
12
PWM/SYNC
GND
DESCRIPTION
B360A
C15
PGND
VIN
VIN
17
E3
REV
C2
0.1uF
SW1
C1
0.1uF
2
15
10uH
ECO
PWM
1
2
3
VCC
PWM
CUSTOMER NOTICE
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.
APPROVALS
PCB DES.
NC
APP ENG.
J.NOON
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
40V, 2A SYNCHRONOUS BUCK BOOST DC / DC CONVERTER
SIZE
N/A
JP1
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
A
B
C
DATE:
IC NO.
REV.
LTC3115EDHD-2
DEMO CIRCUIT 2119A
06 - 04 - 13
1
SHEET 1
D
1
E
OF
1
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