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Features
Single Phase Full Wave Fan Driver
Silent Driver
Low Supply Current
Low Standby Current (Lock mode TOFF ),
Supply current less than 220µA
Lock Protection and Auto Restart Function
Built-in FG Output
Built-in Thermal Protection Circuit
Lead Free and Green Devices Available
(RoHS Compliant)
General Description
The APX7343 is a single-phase full-wave motor driver for
DC fan motor. The output signal of this IC is the amplified
hall input signal. It is suitable for both game machine
and CPU cooler that need silent drivers. The device is
equipped with built-in lock protection. When fan is locked,
the device will enter the lockup protection mode. It is also
with thermal protection function. In normal operation, sup-
ply current is less than 5mA; however, in lock mode, it is
just around 150µA, moreover, this feature will shutdown
amplifier and FG. The APX7343 is available in MSOP-10
package.
Pin Configuration
Applications
· Motor Drivers For Silent Fan Motors
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