LTC1624
U
TYPICAL APPLICATIONS
V
IN
20V TO
32V
R
+
C
SENSE
IN
0.025Ω
22µF
L1
35V
47µH
C5
0.1µF
D1
V
OUT
90V
LTC1624
0.5A
1
2
3
8
7
6
–
V
C
SENSE
IN
C
820pF
BOOST
TG
I
/RUN
C
OUT
+
TH
C
B
100µF
0.1µF
100V
M1
V
FB
4
5
C3
100pF
R1
13.3k
R
SW
C
GND
6.8k
R2, 1M, 1%
1624 F19
C
C
= KEMET T495X226M035AS
L1 = COILCRAFT D05022P-473
M1 = INTERNATIONAL RECTIFIER IRL 540NS
R = IRC LR2010-01-R025-F
SENSE
IN
= SANYO 100MV100GX
OUT
D1 = MOTOROLA MBRS1100
Figure 19. 24V to 90V at 0.5A Boost Converter
V
IN
9V TO
15V
R
+
C
SENSE
IN
0.005Ω, 5%
100µF
L1
16V
10µH
C5
0.1µF
D1*
V
24V
5A
OUT
LTC1624
R5
1
2
3
8
7
6
–
750Ω
0.5W
V
C
SENSE
IN
C
4700pF
BOOST
TG
I
/RUN
TH
C
B
0.1µF
M1*
V
FB
C
C
OUT2
+
+
OUT1
Z1
4
5
C3
100pF
C4
1500pF
R1
52.3k
R
1000µF
1000µF
SW
C
GND
IN755
27k
35V
35V
7.5V
R2, 1M, 1%
1624 F20
C
C
= KEMET T495X107M016AS
L1 = MAGNETICS CORE #55930AZ WINDING = 8T#14BIF
M1 = INTERNATIONAL RECTIFIER IRL 3803
SENSE
*BOTH D1 AND Q1 MOUNTED ON
THERMALLOY MODEL 6399 HEAT SINK
IN
OUT1 OUT2
, C
= SANYO 35MV 1000GX
D1 = MOTOROLA MBR2535CT
R
= IRC OAR-3, 0.005Ω, 5%
Figure 20. 12V to 24V/5A Boost Converter
25
Linear [ Linear ]
