LTC1624
U
TYPICAL APPLICATIONS
V
IN
5V TO 15V
1000pF
0.1µF
1
8
7
6
+
C
–
IN
V
SENSE
IN
22µF
22µF
35V
R
D1
SENSE
0.068Ω
35V
2
MBRS130LT3
L1a*
BOOST
/RUN
LTC1624
I
TH
C
C
+
330pF
3
4
V
M1
Si4412DY
OUT
TG
V
FB
12V
R
4.7k
L1b*
C
C
B
0.5A
100pF
0.1µF
5
R2
35.7k
1%
SW
GND
C
OUT
+
100µF
16V
R1
3.92k
1%
*COILTRONICS CTX20-4
× 2
Figure 14. 12V/0.4A SEPIC Converter
1624 F14
V
IN
5V TO 22V
1000pF
1
2
3
8
7
6
–
V
C
SENSE
C
IN
C
IN
+
R
C
1000pF
22µF
35V
× 2
R
SENSE
3.3k
0.1µF
0.025Ω
V
CC
V
CC
BOOST
/RUN
LTC1624
I
TH
SHUTDOWN
M1
Si4410DY
M3
TP0610L
TG
V
D2
CMDSH-3
FB
L1*
33µH
C
B
100pF
0.1µF
4
5
M2
VN2222
SW
GND
R2
78.7k
1%
D1
MBRS340T3
C
OUT
+
100µF
10V
R3
R1
24.9k
1%
100k
× 2
V
–5V
2A
OUT
1624 F15
*COILCRAFT DO5022P-333
Figure 15. Inverting –5V/2A Converter
V
IN
3.5V TO 18V
1000pF
0.1µF
1
8
7
6
–
V
SENSE
IN
C
IN
+
R
SENSE
22µF
35V
× 2
2
0.068Ω
BOOST
/RUN
LTC1624
I
TH
C
C
470pF
3
4
M1
TG
V
FB
Si6426DQ
R
C
L1*
20µH
C
B
100pF
6.8k
V
0.1µF
OUT
5
SW
3.3V
GND
1.5A
D1
R2
35.7k
1%
MBRS340T3
C
OUT
+
100µF
10V
R1
20k
1%
× 2
*COILTRONICS CTX20-4
1624 F16
Figure 16. Low Dropout 3.3V/1.5A Converter
23
Linear [ Linear ]
