Datasheet

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