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UM0422 Datasheet(PDF) 10 Page - STMicroelectronics

Part # UM0422
Description  Constant current controller for high brightness LEDs
PDF  14 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM0422 Datasheet(HTML) 10 Page - STMicroelectronics

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Schematic and bill of materials
UM0422
10/14
5.2
Bill of materials (BOM)
Table 4.
Bill of materials
Qty
Ref.
Description
Part number
Manufacturer
Footprint
1
C1
22 nF ± 10%, X7R, 16 V
GRM188R71C223KA01
Murata
0603
1CSLOPE1
1 nF ± 10%, X7R, 16 V
GRM155R71C102KA01
Murata
0805
1
C3
1 µF± 10%, X7R, 50 V
GRM21BR71H105KA12
Murata
0805
4
CSLOPE2,
C7,C8,C9
100 nF ± 10%, X7R, 16 V
GRM219R71C104KA01
Murata
0805
1Cbypass
0.1 µF± 10%, X7R, 50 V
GRM21BR71H104KA01
Murata
0805
1
C6
0.33 µF± 10%, X7R, 16 V
GRM21BR71C334KA01
Murata
0805
1
D1
Disc LED
LH R974
1
D3
White LED
LXHLPW09 B
Lumileds
1
D4
Schottky diode
BAT46ZFILM
STMicroelectronics
SOD-123
1J1
CON4
2
J2,J4
CON3
1J3
CON2
1
J5
JUMPER
3
R4,R7
10 k
Ω, 1%, 1/16 W
0805
1
Rf
100
Ω, 1%, 1/16 W
0805
1Rsense
0.33
Ω ± 1%, 1/4 W
0805
2
R2,R1
18 k
Ω ± 1%, 1/4 W
0805
1
R3
6.8 k
Ω ± 1%, 1/4 W
0805
2
R5
1.8 k
Ω ± 1%, 1/4 W
0805
1
R6
330 ± 1%, 1/4 W
0805
1R8
Pot 1MEG
-
1R9
Pot 10 k
-
1
R10
220 k
Ω ± 1%,1/4 W
0805
1
R13
180 ± 1%, 1/4 W
0805
1
U1
Current control
STCS1APUR
STMicroelectronics
QFN 3X3-8L
1
U2
Comparator
TS3702IPT
STMicroelectronics
SOG.65M/8/
WG8.20/L3.17
1
U3
Voltage regulator
L78L05ABUTR
STMicroelectronics
SOT89



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