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TC649BEOA 데이터 시트보기 (PDF) - Microchip Technology
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TC649BEOA
PWM Fan Speed Controllers With Auto-Shutdown, Fan Restart and FanSense™ Technology for Fault Detection
Microchip Technology
TC649BEOA Datasheet PDF : 36 Pages
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TIMING SPECIFICATIONS
t
STARTUP
V
OUT
TC646B/TC648B/TC649B
FAULT / OTF
SENSE
FIGURE 1-1:
TC646B/TC648B/TC649B Start-up Timing.
V
OUT
33.3 msec (C
F
= 1 µF)
t
MP
t
DIAG
t
MP
(
TC646B and TC649B
)
FAULT
SENSE
FIGURE 1-2:
Fan Fault Occurrence (TC646B and TC649B).
t
MP
V
OUT
FAULT
SENSE
FIGURE 1-3:
Minimum 16 pulses
Recovery From Fan Fault (TC646B and TC649B).
2003 Microchip Technology Inc.
DS21755B-page 5
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