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EMC2301 Datasheet(PDF) 39 Page - SMSC Corporation

Part # EMC2301
Description  RPM-Based PWM Fan Controller
PDF  42 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

EMC2301 Datasheet(HTML) 39 Page - SMSC Corporation

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RPM-Based PWM Fan Controller
Datasheet
SMSC EMC2301
39
Revision 1.1 (10-12-09)
DATASHEET
Chapter 6 Typical Operating Curves
The following Typical Operating Curves are included.
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
200
220
240
260
280
300
320
340
360
380
400
-50
0
50
100
150
Supply Current vs. Ambient Temeperature
Ambient Temperature (°C)
200
220
240
260
280
300
320
340
360
380
400
2.95
3.05
3.15
3.25
3.35
3.45
3.55
3.65
Supply Current vs. Supply Voltage
Supply Voltage (V)
Tachometer Measurement Accuracy vs. Ambient Temperature
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-50
0
50
100
150
Temperautre (C)
Ambient Temperature (°C)
Tachometer Measurement Accuracy vs. Supply Voltage
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
2.95
3.05
3.15
3.25
3.35
3.45
3.55
3.65
Supply Voltage (V)



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