U2100B Datasheet, PDF (11/14 Pages) TEMIC Semiconductors – Timer Control for Triac and Relay

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
-V_S
R_{0 330 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