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SC440AEVB датащи(PDF) 17 Page - Semtech Corporation

номер детали SC440AEVB
подробное описание детали  High Efficiency Integrated Driver for 6-Strings of 30mA LEDs
PDF  21 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC440AEVB датащи(HTML) 17 Page - Semtech Corporation

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SC440A
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© 2010 Semtech Corp.
Case 1: Schematic for 6 strings 8 LEDs per string application
Case 2: Schematic for 5 strings 8 LEDs per string application
C8
R7
10k
C2
10uF
C6
2.2u
R2
221k
LED
LED
LED
LED
R4
10k
LED
LED
R5 1
LED
LED
LED
LED
GND
C7
2.2u
R6
1.5k
C9
12n
GND
D1
L1
6.8u
VIN=5V ~ 20V
R8 2k
LED
LED
IO1
1
AGND
2
FFLAG
3
EN
4
SS
5
OVPRTN
6
7
8
9
10
12
VIN
13
IOSET
14
SCP_EN
15
COMP
16
VOUT
17
PWM
18
19
20
21
22
23
24
25
SC440A
47n
R3
20k
R9
20k
CR4
1n
8 LEDs per channel
PWM
C8
R7
10k
C2
10uF
C6
2.2u
R2
221k
LED
LED
LED
LED
R4
10k
LED
LED
R5 1
LED
LED
LED
LED
GND
C7
2.2u
R6
1.5k
C9
12n
GND
D1
L1
6.8u
VIN=5V ~ 20V
R8 2k
LED
LED
IO1
1
AGND
2
FFLAG
3
EN
4
SS
5
OVPRTN
6
7
8
9
10
12
VIN
13
IOSET
14
SCP_EN
15
COMP
16
VOUT
17
PWM
18
19
20
21
22
23
24
25
SC440A
47n
R3
20k
R9
20k
CR4
1n
8 LEDs per channel
PWM
Input
12V
R7
20k
R3
20k
C1
10uF
C6
2.2u
0
CR4
1nF
0
R2
221k
R4
10k
0
C8
47nF
0
C7
2.2u
R6
1.5k
C9
12n
P2
D1
SS14
L1
10u
P1
0
R8 3k
IO1
1
AGND
2
FFLAG
3
EN
4
SS
5
OVPRTN
6
VIN
13
IOSET
14
SCP_EN
15
COMP
16
VOUT
17
PWM
18
U1
SC440A
R9
20k
8 LEDs per channel
Coilcraft, MOS6020
Input
12V
R7
20k
R3
20k
C1
10uF
C6
2.2u
0
CR4
1nF
0
R2
221k
R4
10k
0
C8
47nF
0
C7
2.2u
R6
1.5k
C9
12n
P2
D1
SS14
L1
10u
P1
0
R8 3k
IO1
1
AGND
2
FFLAG
3
EN
4
SS
5
OVPRTN
6
VIN
13
IOSET
14
SCP_EN
15
COMP
16
VOUT
17
PWM
18
U1
SC440A
R9
20k
8 LEDs per channel
Coilcraft, MOS6020



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