TC620HEOA データシートの表示（PDF） - TelCom Semiconductor, Inc
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TC620HEOA Datasheet PDF : 6 Pages
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5V, DUAL TRIP POINT
TEMPERATURE SENSORS
1
TC620
TC621
+12V
0.1 µF
10 µF
LOW TEMP
30°C
2
3
HIGH TEMP 1
50°C
5
8
TC620
1N4148
6
1N4148
7
4
TEMPERATURE SCALE
0°C – 30°C (FAN OFF)
30°C – 50°C (FAN LOW)
50°C – UP (FAN HIGH)
1 µF
14
2
13
1
4
3
6
5 TC4469 9
8
10
11
12
10k
7
1M
100k
50 pF
VMOTOR
50 Ω
FAN MOTOR
MOSFET
HIGHER POWER OPTION
FAN MOTOR
+12V
Figure 5.
+12V
1
8
LOW TEMP 2
7
3 TC620 6
HIGH TEMP 4
5
FAN MOTOR
MTP3055E
THERMISTOR
(NTC)
1
8
HIGH TEMP 2
7
3 TC621 6
LOW TEMP 4
5
FAN MOTOR
MTP3055E
2
3
4
5
Figure 6.
4.5V TO 18V
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 7. TC620 Heating/Cooling Application
TELCOM SEMICONDUCTOR, INC.
6
7
8
2-19
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