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EMC2113 датащи(PDF) 75 Page - SMSC Corporation

номер детали EMC2113
подробное описание детали  RPM-Based Fan Controller with Multiple Temperature Zones & Hardware Thermal Shutdown
PDF  85 Pages
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производитель  SMSC [SMSC Corporation]
домашняя страница  http://www.smsc.com
Logo SMSC - SMSC Corporation

EMC2113 датащи(HTML) 75 Page - SMSC Corporation

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RPM-Based Fan Controller with Multiple Temperature Zones & Hardware Thermal Shutdown
Datasheet
SMSC EMC2113
75
Revision 1.2 (10-08-09)
DATASHEET
0
0.2
0.4
0.6
0.8
1
1.2
1.4
2.95
3.05
3.15
3.25
3.35
3.45
3.55
3.65
PWM Output Drive Frequency
Variation vs. Supply Voltage
Base = 26kHz, Divide = 0
Base = 2441Hz, Divide =
128 = 19Hz
Supply Voltage (V)
PWM
Output
10x Zoom
on PWM
Output
Update Time = 200ms; Max Step = 16 PWM counts
RPM Target from 0 RPM -> 8000 RPM @ time t = 0
FSC Algorithm PWM Ramping
Spin Up Routine Ends – begins
normal operation
Update Time ends, PWM duty
cycle changed
Update Time ends, PWM
duty cycle changed
Duty Cycle Measured
PWM
Output
10x Zoom
on PWM
Output
Spin Time = 1.0s; Spin Level = 55%; Updated Time = 200ms;
RPM Target from 0 RPM -> 8000 RPM @ time t = 0
FSC Algorithm Spin Up Routine
t = 0
Duty Cycle Measured = 53.8%
PWM
Output
10x Zoom
on PWM
Output
Spin Time = 1.0s; Spin Level = 50%; UpdateTime = 200ms;
RPM Target from 0 RPM -> 8000 RPM @ time t = 0
FSC Algorithm Spin Up Routine – NoKick
t = 0
Duty Cycle Measured = 50%



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