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| TC622 Datasheet, PDF (7/14 Pages) TelCom Semiconductor, Inc – LOW COST, SINGLE TRIP POINT TEMPERATURE SENSOR | |||
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FIGURE 4-2:
TC624 AS A FAN
CONTROLLER FOR
NOTEBOOK PC
+2.7 to 4.5V +12V
RSET
1 NC
VDD 7
5 TSET
TC624
6 NC
NC 8
OUT 3
4 GND
OUT 2
+
DC Fan
N-Channel
Logic Level
MOSFET
TC622/TC624
FIGURE 4-3:
TC622 AS A HEATER
THERMOSTAT
+4.5 to 18.0V +12V
RSET
1 NC
VDD 7
5 TSET
NC 8
TC622
6 NC
OUT
4 GND
OUT 2
Heater
N-Channel
Level Logic
MOSFET
TSET
TSET â 2 C
TSET
TSET â 2 C
OUT
Fan "On"
OUT
Heater "On"
© 2002 Microchip Technology Inc.
DS21440B-page 7
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