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TC642BE713(2003) 데이터 시트보기 (PDF) - Microchip Technology
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TC642BE713
(Rev.:2003)
PWM Fan Speed Controllers With Minimum Fan Speed, Fan Restart and FanSense™ Technology for Fault Detection
Microchip Technology
TC642BE713 Datasheet PDF : 34 Pages
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TIMING SPECIFICATIONS
V
OUT
t
STARTUP
FAULT
TC642B/TC647B
SENSE
FIGURE 1-1:
TC642B/TC647B Start-Up Timing.
V
OUT
33.3 msec (C
F
= 1 µF)
t
MP
t
DIAG
t
MP
FAULT
SENSE
FIGURE 1-2:
Fan Fault Occurrence.
t
MP
V
OUT
FAULT
SENSE
FIGURE 1-3:
Minimum 16 pulses
Recovery From Fan Fault.
2003 Microchip Technology Inc.
DS21756B-page 5
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