AH5794-WU-7 データシートの表示（PDF） - Diodes Incorporated.
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AH5794-WU-7 Datasheet PDF : 13 Pages
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AH5794
SINGLE PHASE HALL EFFECT LATCH FAN MOTOR DRIVER
Application Note
Motor Speed Control
DC Supply Voltage (VDD) Speed Control
Motor speed can be controlled by varying the VDD supply voltage between 1.8V to 6V.
With 5V nominal motor, changing VDD voltage between 5V to 1.8V, speed can be controlled from 100% to 36% typically.
Soft Switching
AH5794 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.
AH5794
Document number: DS35809 Rev. 1 - 2
7 of 13
www.diodes.com
March 2012
© Diodes Incorporated
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