AH5795 データシートの表示（PDF） - Diodes Incorporated.
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AH5795 Datasheet PDF : 13 Pages
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AH5795
SINGLE PHASE HALL EFFECT LATCH SMART
FAN MOTOR CONTROLLER
Application Note (cont.)
Rotor lock Toff and PWM signal
When PWM signal input at PWM pin is low for longer than 65ms, internal rotor lock protection Toff is cleared. This allows the
device to enter motor start Ton time on the next PWM high signal
PWM
Rotor lock protection
(internal signal)
65ms (max)
Enabled
Disabled
(Toff cleared)
Enabled
Soft Switching
AH5795 uses soft switching of the motor coil current during commutation for to minimize audible switching noise and
electromagnetic interference (EMI) to provide a low noise solution.
Vdd
Vout 1
Vout 2
Vss
200µs typ.
AH5795
Document number: DS35277 Rev. 1 - 2
8 of 13
www.diodes.com
August 2011
© Diodes Incorporated
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