U2100B View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
U2100B Datasheet PDF : 14 Pages
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U2100B
7. Applications
Figure 7-1. Lamp Time Control 18 Seconds to 23 Minutes for Two-wire Systems
N
Triac
L
390 Ω C0
1N4007 D1
-VS
R0 330 nF
390 Ω
R3
220 kΩ/0.5 W
D2
22 V
R2
D3
1N
4148
R7 10 kΩ
D4
C1
5.1 V 100 µF
1
8
2
7
U2100B
3
6
330 nF
C3
Timer start
4
5
S1
R5
Tracking
time
2.5 MΩ
33 kΩ
+ R6
R4
-
33 kΩ
C2
4.7 µF
Figure 7-2. Fan Tracking Time Control 18 Seconds to 23 Minutes
N
R7
100 kΩ
C3
330 nF
5
4
6
3
U2100B
7
2
8
1
R5 33 kΩ
D1
100 kΩ R6
C2
R4
4.7 µF
2.5 MΩ
Tracking time
adjustment
M
R2
330 nF 390 Ω
100 kΩ
C0 R0
S1
D1
C1
22 V 100 µF
REL
1000 Ω
L
S1 open, motor starts
11
4769C–INDCO–07/05
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