LTC1735
U
TYPICAL APPLICATIO S
5V/3.5A Converter with 12V/200mA Auxiliary Output
V
IN
5.5V TO 28V
C
C
IN
OSC
51pF
+
22µF
30V
OS-CON
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
M1
C
TG
BOOST
SW
OSC
Si4802DY
C
C
B
SS
0.1µF
1000pF
22Ω
0.1µF
RUN/SS
C
C
MBRS1100T3
R
C
470pF
33k
C
I
SEC
TH
+
C
C2
220pF
22µF
35V
LTC1735
R
SENSE
0.012Ω
D
B
AVX
V
OUT
FCB
V
IN
CMDSH-3
5V
T1
3.5A
R2
105k
1%
1:1.8
C
OUT
SGND
INTV
CC
10µH
100µF
10V
+
+
100pF
4.7µF
M2
Si4802DY
×3
AVX
R1
20k
1%
V
BG
OSENSE
MBRS140T3
–
SENSE
PGND
SGND
1000pF
+
SENSE
EXTV
CC
C
C
: SANYO OS-CON 30SC22M
IN
100Ω
: AVX TPSD107M010R0068
OUT
100Ω
T1: 1:8 DALE LPE6562-A262
V
OUT2
10k
140k
12V
120mA
UNREG
1735 TA04
Dual Output 15W 3.3V/5V Power Supply
V
IN
4.5V TO 28V
C
OSC
47pF
C
IN
22µF
T1C
V
OUT2
•
5V
1
16
15
14
13
12
11
10
9
M1
50V
C
3
6
TG
BOOST
SW
OSC
1.5A
Si4412DY
0.01µF
C
C
SS
B
C
OUT2
+
0.1µF
0.1µF
M3
100µF
10V
2
3
4
5
6
7
8
Si4412DY
RUN/SS
C
C
470pF
×2
4.7k
CMDSH-3
MBRS140T3
I
TH
R
C
LTC1735
33k
R
SENSE
0.01Ω
D
B
T1A
T1B
V
3.3V
2.5A
FCB
SGND
V
OUT1
V
IN
•
•
2
CMDSH-3
C
1
8
7
C2
R2
100pF
62.6k
INTV
CC
C
OUT1
1%
+
+
100µF
10V
100pF
4.7µF
M2
Si4412DY
R1
20k
1%
BG
OSENSE
×2
MBRS140T3
–
SENSE
PGND
1000pF
SGND
+
V
OUT2
SENSE
EXTV
CC
C
C
: MARCON THCR70EIH226ZT
IN
: AVX TPSD107M010R0065
OUT1, 2
T1: BI TECHNOLOGIES HM00-93839
R
: IRC LRF2512-01-R010 F
1735 TA08
SENSE
1735fc
30
Linear [ Linear ]
