TC620/TC621
DS21439D-page 8 2001-2012 Microchip Technology Inc.
FIGURE 4-3: Heating and Cooling Application
TC620
1
2
3
4
8
7
6
5
TC4469
1
2
3
4
5
6
7
14
13
12
11
10
9
8
High
Temp.
Warning
Heating/Cooling
Equipment
1k
1k
Low
Temp.
Warning
4.5V to 18V
High
Temp.
Low
Temp.
