
TC620
TC621
4.5V TO 18V
5V, DUAL TRIP POINT
TEMPERATURE SENSORS
HIGH
TEMP
LOW
TEMP
1
8
2
7
3 TC620 6
4
5
1
14
2
13
3
12
4
11
TC4469
5
10
6
9
7
8
1k
1k
HIGH
TEMP
WARNING
LOW
TEMP
WARNING
HEATING/COOLING
EQUIPMENT
Figure 8. TC620 Heating/Cooling Application
2-20
TELCOM SEMICONDUCTOR, INC.