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U2010B Fiches technique(PDF) 2 Page - ATMEL Corporation

No de pièce U2010B
Description  Programmable Load-current Limitation with Over- and High-load Output
PDF  18 Pages
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Fabricant  ATMEL [ATMEL Corporation]
Site Internet  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

U2010B Fiches technique(HTML) 2 Page - ATMEL Corporation

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2
4766C–INDCO–04/10
U2010B
Figure 1-2.
Block Diagram with External Circuit
Automatic
retriggering
Limiting
detector
Voltage
detector
Supply
voltage
Reference
voltage
Voltage
monitoring
Soft
start
Load current
compensation
Mains voltage
compensation
Current
detector
Level
shift
Output
Overload
threshold
Set point
V(R6) = ± 250 mV
High load
Overload
Load
230V
~
Programmable
overload
protection
Full wave
rectifier
Auto-
start
Phase
control unit
ϕ = f(V
4)
α
max
α
max
Imax
Load
current
detector
+
+
+
15
2
3
4
5
6
7
8
14
13
12
10
9
16
1
11
1
A
A
S1
B
C
D1
D3
LED
GND
Mode
B
C
U2010B
2
100%
70%
R1
R11
R10
C5
P1
C4
C2
0.1 µF
0.15 µF
4.7 µF
C1
22 µF
C3
10 nF
C7
1 µF
R6
R7
R14
18 k
Ω/2W
R3
180
Ω
R4
3.3 k
Ω
100 k
Ω
VS
R2
330 k
Ω
R8
470 k
Ω
R5
3.3 k
Ω
1 M
Ω
50 k
Ω
-
+



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