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EMC2113 Datasheet(PDF) 73 Page - SMSC Corporation

Part # EMC2113
Description  RPM-Based Fan Controller with Multiple Temperature Zones & Hardware Thermal Shutdown
PDF  85 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

EMC2113 Datasheet(HTML) 73 Page - SMSC Corporation

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RPM-Based Fan Controller with Multiple Temperature Zones & Hardware Thermal Shutdown
Datasheet
SMSC EMC2113
73
Revision 1.2 (10-08-09)
DATASHEET
Chapter 8 Typical Operating Curves
The following Typical Operating Curves are included:
Supply Current vs. Temperature
Supply Current vs. Supply Voltage
Temperature Error vs. Series Resistance
Temperature Error vs. Ambient Temperature
Temperature Error 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
Look Up Table operation - PWM / Direct Drive
0
200
400
600
800
1000
1200
1400
-50
0
50
100
150
Supply Current vs. Temperature
VDD = 3.3V
Ambient Temperature (°C)
1/ sec w/o dynamic averaging
4/ sec w/ dynamic averaging
0
200
400
600
800
1000
1200
1400
2.95
3.05
3.15
3.25
3.35
3.45
3.55
3.65
Supply Current vs. Supply Voltage
TA = 25
°C
Supply Voltage (V)
1 / sec w/o Dynamic Averaging
4 / sec w/ Dynamic Averaging
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0
40
80
120
160
0
10
20
30
40
50
60
70
80
90
100
Temperature Measurement
Accuracy vs. Series Resistance
REC Enabled
REC Disabled
Series Resistance (ohm)
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-50
0
50
100
150
Temperature Measurement Error vs. Ambient
Temperature
Ambient Temperature (°C)



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