EMC2300-AZC-TR SMSC, EMC2300-AZC-TR Datasheet - Page 81

• Manufacturer Part Number: EMC2300-AZC-TR
• Description: Industrial Temperature Sensors Auto Fan Contrllr Up to 4 Fans
• Manufacturer: SMSC

Specifications of EMC2300-AZC-TR

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Fan Control Device with High Frequency PWM and Temperature Monitors
Datasheet
SMSC EMC2300
Note: For fans controlled directly by a PW M, it is suggested to im plem ent
the optional diode (D1) to protect the tachom eter input from large voltage
spikes generated by the fan.
PWMx
from Fan
Output
Tach
Figure B.2 Fan Drive Circuitry (Apply to PWM Driving One Fan)
Figure B.3 Fan Tachometer Circuitry (Apply to Each Fan)
3.3V
470
IN4148
DATASHEET
D1
81
MMBT2222
3.3V
10k
TACH
Fan
M
Input
12V
Revision 0.32 (06-23-08)