LT3587
TYPICAL APPLICATIONS
Li-Ion Powered Supply for CCD Imager and Five White Backlight LEDs
LED DRIVER
20mA UP TO 24V
R
VFB3
C4
V
VIN
1.65M
2.2μF
2.5V TO 6V
L4
10μH
L1
15μH
(OPTIONAL)
C6
1μF
D
S3
V
V
CAP3
SW3
V
SW1
FB3 OUT3
IN
D
C1
10μF
S1
R
IFB3
8.06k
I
CAP1
FB3
C
FB1
2.7pF
LT3587
FLT
R
FB1
EN/SS1
EN/SS3
1M
FB1
V
OUT1
SW2
GND FB2
C3
100nF
CCD POSITIVE
15V, 50mA
C5
100nF
C2
2.2μF
R
C
FB2
6.8pF
FB2
L2
15μH
L3
1M
15μH
V
CCD NEGATIVE
–8V, 100mA
VIN
2.5V TO 6V
D
C7
22μF
S2
3587 TA02
C1: MURATA GRM21BR61C106KE15L
C2: MURATA GRM188R61C225KE15D
C3, C5: MURATA GRM033R60J104KE19D
C4: MURATA GRM21BR71E225KA73L
C6: MURATA GRM155R61A105KE15D
C7: TAIYO YUDEN LMK212BJ226MG-T
C
C
: MURATA GRM1555C1H2R7BZ01D
: MURATA GRM1555C1H6R8BZ01D
FB1
FB2
L1, L2, L3: SUMIDA CDRH2D18/HP-150N
L4: TOKO 1071AS-100M
D
, D , D : IR IR05H40CSPTR
S1 S2 S3
3587fc
21
Linear [ Linear ]
