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TC620 Datasheet(PDF) 5 Page - TelCom Semiconductor, Inc |
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TC620 Datasheet(HTML) 5 Page - TelCom Semiconductor, Inc |
5 / 6 page ![]() 2-19 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 TC620 HIGH TEMP 1 2 3 4 8 7 6 5 LOW TEMP +12V MTP3055E FAN MOTOR TC621 HIGH TEMP 1 2 3 4 8 7 6 5 LOW TEMP +12V MTP3055E FAN MOTOR THERMISTOR (NTC) Figure 6. TC620 2 3 1 5 6 7 +12V VMOTOR MOSFET FAN MOTOR 50 Ω HIGHER POWER OPTION 1N4148 1N4148 8 4 TC4469 2 1 3 5 8 13 4 6 9 10 11 12 14 1M 10k 100k FAN MOTOR 50 pF TEMPERATURE SCALE 7 LOW TEMP 30 C ° HIGH TEMP 50 C ° 10 µF 0.1 µF – 30 C (FAN OFF) – 50 C (FAN LOW) – UP (FAN HIGH) ° ° 1 µF 0 C 30 C 50 C ° ° ° Figure 5. Figure 7. TC620 Heating/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 TC620 TC621 5V, DUAL TRIP POINT TEMPERATURE SENSORS |