EMC2101-ACZL SMSC, EMC2101-ACZL Datasheet - Page 52

• Manufacturer Part Number: EMC2101-ACZL
• Description: Industrial Temperature Sensors Sngl Fan Contrllr
• Manufacturer: SMSC

Specifications of EMC2101-ACZL

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PWM_F [4:0]
SETTING
0Ah
0Bh
0Ch
0Dh
0Eh
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Fh
10h
11h
12h
13h
RESOLUTION
EFFECTIVE
25.00%
16.67%
12.50%
10.00%
8.33%
7.14%
6.25%
5.56%
5.00%
4.54%
4.17%
3.84%
3.57%
3.33%
50.00
3.13
2.94
2.78
2.63
(%)
EFFECTIVE DUTY
CYCLE (AT 75%
FAN_SETTING)
Table A.1 Fan Effective Duty Cycle Resolution and Frequency
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
DUTY CYCLE (AT
FAN_SETTING)
EFFECTIVE
94.1%
88.9%
84.2%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
50%
Setting 00h is mapped to setting 01h
FAN_SETTING
DUTY CYCLE
TO GET 75%
0Ah (71.4%)
1Bh (75.0%)
1Ch (73.7%)
04h (66.7%)
11h (77.3%)
14h (76.9%)
16h (73.3%)
18h (75.0%)
19h (73.5%)
0Ch (75%)
0Dh (72.5)
01h (50%)
03h (75%)
06h (75%)
07h (70%)
09h (75%)
0Fh (75%)
12h (75%)
15h (75%)
FREQUENCY (KHZ)
PWM FREQUENCY
AT 360KHZ BASE
180.0
10.68
10.00
11.25
90.0
60.0
45.0
36.0
30.0
25.7
22.5
20.0
18.0
16.4
15.0
13.8
12.8
12.0
9.47
PWM FREQUENCY AT
FREQUENCY (HZ)
1.4KHZ BASE
704.2
350.0
233.3
175.0
140.0
116.7
100.0
87.5
77.8
70.0
63.7
58.3
53.8
50.0
46.7
44.0
41.4
39.1
37.1