Datasheet

22
LTC1624
TYPICAL APPLICATIONS
U
+
+
SENSE
–

I
TH
/RUN
V
FB

GND

V
IN

BOOST
TG
SW
LTC1624
1000pF
100pF
C
C

330pF
R
C

3.3k
D1
MBRS130LT3
C
B

0.1µF
8
7
6
5
1
2
3
4
R2
35.7k
1%
R1
3.92k
1%
C
OUT

100µF
16V
× 2
M1
Si4412DY
L1*
22µH
R
SENSE

0.04Ω
C
IN

22µF
35V
× 2
V
OUT

12V
0.75A
V
IN

5.2V TO 11V
1624 F13
*SUMIDA CDRH125-220
0.1µF
Figure 11. Wide Input Range 1.8V/1.5A Converter
+
+
SENSE
–

I
TH
/RUN
V
FB

GND

V
IN

BOOST
TG
SW
LTC1624
1000pF
100pF
C
C

470pF
R
C

6.8k
D1
MBRS140T3
C
B

0.1µF
8
7
6
5
1
2
3
4
R2
35.7k
1%
R1
3.92k
1%
C
OUT

100µF
16V
× 2
M1
Si4412DY
L1*
47µH
R
SENSE

0.068Ω
C
IN

22µF
35V
× 2
V
OUT

12V
1A
V
IN

12.3V TO 28V
1624 F12
*SUMIDA CDRH125-470
0.1µF
Figure 12. 12V/1A Low Dropout Converter
Figure 13. 12V/0.75A Boost Converter
+
+
SENSE
–

I
TH
/RUN
V
FB

GND

V
IN

BOOST
TG
SW
LTC1624
1000pF
100pF
C
C

470pF
R
C

6.8k
D1
MBRS340T3
C
B

0.1µF
8
7
6
5
1
2
3
4
R2
35.7k
1%
R1
69.8k
1%
C
OUT

100µF
10V
× 2
M1
Si6436DY
L1*
10µH
R
SENSE

0.068Ω
C
IN

22µF
35V
× 2
V
OUT

1.8V
1.5A
V
IN

4.8V TO 22V
1624 F11
*SUMIDA CDR105B-100
0.1µF