LTC1624
U
TYPICAL APPLICATIONS
1000pF
+
1
8
7
6
5
–
V
SENSE
+
IN
V
IN
C
C
C
IN
R
R
C
SENSE
2
BOOST
/RUN
LTC1624
I
TH
–
3
4
M1
TG
V
FB
L1
C
B
100pF
+
0.1µF
SW
GND
R2
R1
D1
+
C
V
OUT
OUT
BOLD LINES INDICATE
HIGH CURRENT PATHS
–
1624 F09
Figure 9. LTC1624 Layout Diagram (See Board Layout Checklist)
V
IN
5.3V TO 28V
C
IN
+
1000pF
0.1µF
22µF
35V
× 2
R
1
2
3
8
7
6
SENSE
–
V
SENSE
IN
0.033Ω
BOOST
/RUN
LTC1624
I
TH
C
C
560pF
D2
M1
TG
V
FB
R
CMDSH-3
Si4412DY
C
C
B
4.7k
100pF
V
5V
3A
0.1µF
OUT
4
5
SW
GND
L1*
10µH
D1
MBRS340T3
R2
35.7k
1%
C
OUT
+
100µF
10V
R1
11k
1%
*COILTRONICS CTX10-4
× 2
1624 F10
Figure 10. 5V/3A Converter with Output Derived Boost Voltage
21