Available in QFN packages, the EMC2103, EMC2104, EMC2105, and EMC2106 fan controllers employ closed-loop RPM control schemes to significantly improve fan-speed control over open-loop fan-drive methods. The EMC2105 and EMC2106 offer linear fan drivers that integrate the FET from the system and can drive up to 600 mA.
The EMC2103 and EMC2105 are well suited for one-fan systems. Alternatively, the EMC2104 and EMC2106 can drive two fans by applying a second PWM signal. (From $1.20 to $1.80 ea/10,000available now.)
SMSC , Hauppauge , NY
Sales 631-435-6000
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