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SC441AEVB Arkusz danych(PDF) 18 Page - Semtech Corporation

Numer części SC441AEVB
Szczegółowy opis  High Efficiency Integrated Driver for 4-Strings of 150mA LEDs
PDF  20 Pages
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Producent  SEMTECH [Semtech Corporation]
Strona internetowa  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC441AEVB Arkusz danych(HTML) 18 Page - Semtech Corporation

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SC441A
8
© 2009 Semtech Corporation
www.semtech.com
Evaluation Application Circuit
Item
Reference
Quantity
Description
Package
Part
Vendor

C, C4, C5,
C6, C7
5
50V ceramic capacitor, X7R
SM_0603
nF
Panasonic
2
C2

25V ceramic capacitor, X5R
SM_206
0uF
Panasonic
3
C8, C9
2
50V ceramic capacitor, X5R
SM_206
4.7uF
Panasonic
4
C4

25V ceramic capacitor, X5R
SM_0805
2.2uF
Panasonic
5
C5

6.3V ceramic capacitor, X7R
SM_0603
47nF
Panasonic
6
C6

6.3V ceramic capacitor, X7R
SM_0603
00nF
Panasonic
7
D

40V, 3A Schottky diode
SMA
B340
Diodes or Any
8
L

6.8μH, 6.6A
DR25
6.8μH
Copper or Any
9
R, R4
2
% SMD resistor
SM_0603
0R
Any
0
R2, R3, R4, R7
4
5% SMD resistor
SM_0603
0K
Any

R5

% SMD resistor
SM_0603
220K
Any
2
R6

% SMD resistor
SM_0603
RIOSET
Any
3
R9

5% SMD resistor
SM_0603
.5K
Any
4
R8, R0, R,
R2, R3
5
5% SMD resistor
SM_0603
R
Any
5
U

Controller
EDP TSSOP-20
SC44A
SEMTECH
Evaluation Board Bill of Materials
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PWM
EN
IO1
IO2
IO3
IO4
VIN
VOUT
VIN
VOUT
VOUT
L1
6.8uH
L1
6.8uH
C2
10uF/25V
C2
10uF/25V
D1
D1
C9
4.7uF/50V
C9
4.7uF/50V
R10
1R
R10
1R
C15
1nF
C15
1nF
C3
N.P.
C3
N.P.
R4
10K
R4
10K
C8
4.7uF/50V
C8
4.7uF/50V
R11
1R
R11
1R
R9
1.5K
R9
1.5K
U1
SC441A
U1
SC441A
IO2
1
IO1
2
IOGND
3
AGND
4
SS
5
COMP
6
EN
7
IOSET
8
PWM
9
VOUT
10
FFLAG
11
VIN
12
OVPRTN
13
OVPIN
14
PGND
15
SW
16
SW
17
PGND
18
IO4
19
IO3
20
C16
1nF
C16
1nF
R13
1R
R13
1R
R5
220K
R5
220K
R14
0R
R14
0R
C1
1nF
C1
1nF
R6
RIOSET
R6
RIOSET
R7
10K
R7
10K
C14
1nF
C14
1nF
C4
2.2uF/25V
C4
2.2uF/25V
C17
1nF
C17
1nF
C7
N.P.
C7
N.P.
R12
1R
R12
1R
R1
0R
R1
0R
R8
1R
R8
1R
R3
10K
R3
10K
C5
47n
C5
47n
C6
100nF
C6
100nF
R2
10K
R2
10K



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