EMC2301 Standard Microsystems Corp., EMC2301 Datasheet - Page 39

• Manufacturer Part Number: EMC2301
• Description: Rpm-based Pwm Fan Controller
• Manufacturer: Standard Microsystems Corp.

RPM-Based PWM Fan Controller
Datasheet
Chapter 6 Typical Operating Curves
SMSC EMC2301
400
380
360
340
320
300
280
260
240
220
200
-0.2
-0.4
-0.6
-0.8
0.8
0.6
0.4
0.2
-1
-50
1
0
-50
Tachometer Measurement Accuracy vs. Ambient Temperature
The following Typical Operating Curves are included.
Supply Current vs. Ambient Temeperature
Supply Current vs. Temperature
Supply Current vs. Supply Voltage
Fan TACH Accuracy vs. Temperature
Fan TACH Accuracy vs. Supply Voltage
PWM output frequency vs. Supply Voltage
PWM output frequency vs. Temperature
FSC Operation
0
0
Ambient Temperature (°C)
Ambient Temperature (°C)
Temperautre (C)
50
50
100
100
150
150
DATASHEET
39
-0.2
-0.4
-0.6
-0.8
0.8
0.6
0.4
0.2
400
380
360
340
320
300
280
260
240
220
200
-1
1
0
2.95
2.95
Tachometer Measurement Accuracy vs. Supply Voltage
3.05
3.05
Supply Current vs. Supply Voltage
3.15
3.15
Supply Voltage (V)
Supply Voltage (V)
3.25
3.25
3.35
3.35
Revision 1.2 (03-22-10)
3.45
3.45
3.55
3.55
3.65
3.65