LTC1624 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1624' PDF : 28 Pages View PDF
TYPICAL APPLICATIONS
LTC1624
VIN
20V TO
32V
+ CIN
22µF
35V
RSENSE
0.025Ω
C5
0.1µF
CC
820pF
LTC1624
1 SENSE–
8
VIN
2
7
ITH/RUN BOOST
3
VFB
6
TG
RC
6.8k
R1
13.3k
C3
100pF
4
GND
5
SW
CB
0.1µF
L1
47µH
D1
+ COUT
100µF
100V
M1
VOUT
90V
0.5A
CIN = KEMET T495X226M035AS
COUT = SANYO 100MV100GX
D1 = MOTOROLA MBRS1100
R2, 1M, 1%
L1 = COILCRAFT D05022P-473
M1 = INTERNATIONAL RECTIFIER IRL 540NS
RSENSE = IRC LR2010-01-R025-F
1624 F19
Figure 19. 24V to 90V at 0.5A Boost Converter
VIN
9V TO
15V
CC
4700pF
+ CIN
100µF
16V
RSENSE
0.005Ω, 5%
C5
0.1µF
LTC1624
1 SENSE–
8
VIN
2
7
ITH/RUN BOOST
3
VFB
6
TG
CB
0.1µF
L1
10µH
D1*
M1*
VOUT
24V
5A
R5
750Ω
0.5W
RC
27k
R1
52.3k
C3
100pF
C4
1500pF
4
GND
5
SW
+ COUT1 + COUT2
1000µF
1000µF
35V
35V
Z1
IN755
7.5V
R2, 1M, 1%
CIN = KEMET T495X107M016AS
COUT1, COUT2 = SANYO 35MV 1000GX
D1 = MOTOROLA MBR2535CT
L1 = MAGNETICS CORE #55930AZ WINDING = 8T#14BIF
M1 = INTERNATIONAL RECTIFIER IRL 3803
RSENSE = IRC OAR-3, 0.005Ω, 5%
*BOTH D1 AND Q1 MOUNTED ON
THERMALLOY MODEL 6399 HEAT SINK
1624 F20
Figure 20. 12V to 24V/5A Boost Converter
25
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