5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
BB
B
B
A
A
AA
ON
OFF
2
VIN
4V - 65V
GND
FBO
VOUT
1.8V/3.3V/5V
500mA
GND
2
2
BA
1. ALL RESISTORS AND CAPACITORS ARE 0603.
NOTE: UNLESS OTHERWISE SPECIFIED
JP1 JP2VOUT
BA
1.8V
3.3V
5.0V
EXT. R
GND
2
3
1
1
1
3
3
2
2
VIN
VOUT
VIN
VOUT
TECHNOLOGY
1
04/16/13 12:30:01
11
HIGH EFFICIENCY, 65V, 500mA SYNCHRONOUS
MI
CHARLIE Z.
N/A
LTC3630EMSE
DEMO CIRCUIT 2105A-B
STEP-DOWN CONVERTER
TECHNOLOGY
1
04/16/13 12:30:01
11
HIGH EFFICIENCY, 65V, 500mA SYNCHRONOUS
MI
CHARLIE Z.
N/A
LTC3630EMSE
DEMO CIRCUIT 2105A-B
STEP-DOWN CONVERTER
TECHNOLOGY
1
04/16/13 12:30:01
11
HIGH EFFICIENCY, 65V, 500mA SYNCHRONOUS
MI
CHARLIE Z.
N/A
LTC3630EMSE
DEMO CIRCUIT 2105A-B
STEP-DOWN CONVERTER
REVISION HISTORY
DESCRIPTION DATE APPROVEDECO REV
CHARLIE Z.
PROD
1
04/12/13
REVISION HISTORY
DESCRIPTION DATE APPROVEDECO REV
CHARLIE Z.
PROD
1
04/12/13
REVISION HISTORY
DESCRIPTION DATE APPROVEDECO REV
CHARLIE Z.
PROD
1
04/12/13
JP1JP1
R2
OPT
R2
OPT
R7
OPT
R7
OPT
E6E6
E2E2
C10
OPT
1210
C10
OPT
1210
R4
220k
R4
220k
JP3JP3
E3E3
C9
0.1uF
C9
0.1uF
JP2JP2
C11
OPT
1210
C11
OPT
1210
C4
47nF
C4
47nF
L1
68uH
SUMIDA CDRH105
L1
68uH
SUMIDA CDRH105
C1
220nF
100V
0805
C1
220nF
100V
0805
R5
4.7
0805
R5
4.7
0805
C7
100uF
10V
1210
C7
100uF
10V
1210
U1
LTC3630EMSE
U1
LTC3630EMSE
SW
1
VIN
3
FBO
12
VPRG1
7
VPRG2
6
GND
8
VFB
9
SS
10
ISET
11
GND
14
RUN
5
GND
16
GND
17
E5E5
R6
0
R6
0
R1
OPT
R1
OPT
C5
OPT
C5
OPT
C3
220pF
C3
220pF
E1E1
D1
OPT
D1
OPT
R3
OPT
R3
OPT
C6
100uF
10V
1210
C6
100uF
10V
1210
E4E4
C8
OPT
1210
C8
OPT
1210
C2
4.7uF
100V
2220
C2
4.7uF
100V
2220