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EMC2101-R-ACZL-TR Datasheet(PDF) 48 Page - Microchip Technology

Part # EMC2101-R-ACZL-TR
Description  SMBus Fan Control with 1°C Accurate Temperature Monitoring
PDF  56 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

EMC2101-R-ACZL-TR Datasheet(HTML) 48 Page - Microchip Technology

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TABLE 1:
FAN EFFECTIVE DUTY CYCLE RESOLUTION AND FREQUENCY
PWM_F [4:0]
Setting
Effective
Resolution (%)
Effective Duty Cycle
(at 75% FAN_SETTING)
EFFECTIVE Duty Cycle
(at 50% FAN_SETTING)
FAN_SETTING to Get
75% Duty Cycle
PWM FREQUENCY
at 360 kHz Base
Frequency (kHz)
PWM FREQUENCY
at 1.4 kHz Base
Frequency (Hz)
00h
Setting 00h is mapped to setting 01h
01h
50.00%
100%
100%
01h (50%)
180.0
704.2
02h
25.00%
100%
100%
03h (75%)
90.0
350.0
03h
16.67%
100%
100%
04h (66.7%)
60.0
233.3
04h
12.50%
100%
100%
06h (75%)
45.0
175.0
05h
10.00%
100%
100%
07h (70%)
36.0
140.0
06h
8.33%
100%
100%
09h (75%)
30.0
116.7
07h
7.14%
100%
100%
0Ah (71.4%)
25.7
100.0
08h
6.25%
100%
100%
0Ch (75%)
22.5
87.5
09h
5.56%
100%
100%
0Dh (72.5)
20.0
77.8
0Ah
5.00%
100%
100%
0Fh (75%)
18.0
70.0
0Bh
4.54%
100%
100%
11h (77.3%)
16.4
63.7
0Ch
4.17%
100%
100%
12h (75%)
15.0
58.3
0Dh
3.84%
100%
100%
14h (76.9%)
13.8
53.8
0Eh
3.57%
100%
100%
15h (75%)
12.8
50.0
0Fh
3.33%
100%
100%
16h (73.3%)
12.0
46.7
10h
3.13%
100%
100%
18h (75.0%)
11.25
44.0
11h
2.94%
100%
94.1%
19h (73.5%)
10.68
41.4
12h
2.78%
100%
88.9%
1Bh (75.0%)
10.00
39.1
13h
2.63%
100%
84.2%
1Ch (73.7%)
9.47
37.1
14h
2.50%
100%
80.0%
1Eh (75.0%)
9.00
35.2
15h
2.38%
100%
76.2%
1Fh (73.8%)
8.57
33.5
16h
2.27%
100%
72.7%
21h (75.0%)
8.18
32.0
17h
2.17%
100%
69.7%
22h (73.9%)
7.83
30.6
18h
2.08%
100%
66.7%
24h (75.0%)
7.50
29.3
19h
2.00%
96%
64.0%
25h (74.0%)
7.20
28.2
1Ah
1.92%
92.3%
61.5%
27h (75.0%)
6.92
27.1
1Bh
1.85%
88.9%
59.3%
28h (74.1%)
6.67
26.1
1Ch
1.79%
85.7%
57.1%
2Ah (75.0%)
6.43
25.1



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