T2117 ATMEL Corporation, T2117 Datasheet - Page 6

• Manufacturer Part Number: T2117
• Description: Standard Zero Crossing Switch, Low-cost Application
• Manufacturer: ATMEL Corporation

T2117
6 (11)
NTC/M87
B value =
R(
470 kW
3988
V
25
M
) =100 kW/B =3988
R
R
= 230 V ~
p
8
N
L
R
150 W
100 kW
220 kW
R
9
(25)
Load
BC237
VDR
100 kW
R
R
R
130 kW
6
L
7
Figure 11. Temperature control 15 to 35 C with sensor monitoring
100 kW
R
R
4
R
R(
5
(15)
1)
35
47 mF/
10 V
8
1
) = 64.5 kW
= 159 kW
1
3
4
270 kW
2.2 mF/
10 V
NTC–Sensor M 87 Fabr. Siemens
+
+
–
generator
Reference voltage
7
T2117
2
Ramp
Comparator
56 W
Figure 10. Power switch
1.4 V
C
2
2
6
3
(250 V~)
220 kW
Synchronization
Full-wave logic
R
5
5
4
1)
39 kW
determines the proportional range
8
(R
56 kW
R
2
sync
)
T2117
D
R
1
Supply
1
amplifier
CNY21
Pulse
+5 V
18 kW/
2 W
5
BYT41M
BYT41M
18 kW
1.5 W
7
6
I
I 
1.5 mA
C
100 W
1000 W
Rev. A2, 17-Dec-01
1
R
Load
3
V
I
V
230 V~
M
=
N
L