TC665 Microchip Technology Inc., TC665 Datasheet - Page 7
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TC665
Manufacturer Part Number
TC665
Description
Smbus Pwm Fan Speed Controllers With Fan Fault Detection
Manufacturer
Microchip Technology Inc.
Datasheet
1.TC665.pdf
(36 pages)
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Part Number
Manufacturer
Quantity
Price
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Manufacturer:
Microchip Technology
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Part Number:
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Manufacturer:
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Company:
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FIGURE 2-7:
FIGURE 2-8:
FIGURE 2-9:
2002 Microchip Technology Inc.
50
45
40
35
30
25
20
2.620
2.615
2.610
2.605
2.600
2.595
2.590
2.585
2.580
2.575
1.205
1.200
1.195
1.190
1.185
1.180
-40
-40 -25 -10
-40 -25 -10
-25
-10
5
5
5
Temperature (ºC)
V
SDA I
V
V
20
Temperature (ºC)
Temperature (ºC)
DD
20
20
CMAX
CMIN
= 4.0 V
35
35
35
V
OL
DD
vs. Temperature.
50
vs. Temperature.
V
= 4.0 V
50
V
V
50
DD
DD
DD
V
vs. Temperature.
DD
V
= 4.0 V
= 3.0 V
= 5.5 V
65
DD
65
65
= 5.5 V
= 3.0 V
80
80
80
V
V
DD
DD
V
V
95
V
V
DD
= 3.0 V
95
95
DD
OL
DD
= 5.0 V
= 5.0 V
= 5.0 V
= 0.4 V
= 5.5 V
110 125
110 125
110 125
FIGURE 2-10:
Temperature.
FIGURE 2-11:
(V
FIGURE 2-12:
Temperature.
THSENSE
10
150
140
130
120
110
100
45
40
35
30
25
20
9
8
7
6
5
4
3
2
1
0
90
80
-40
-40
-40
-25
-25
) Hysteresis vs. Temperature.
-25
V
DD
V
-10
V
-10
DD
-10
= 3.0V
DD
= 5.5V
= 5.0 V
TC664/TC665
5
5
5
V
Temperature (ºC)
DD
Temperature (ºC)
Temperature (ºC)
RPM %error vs.
Sense Threshold
SDA, SCLK Hysteresis vs.
20
20
20
= 3.0 V
35
35
35
V
V
V
DD
DD
DD
= 3.0 V
= 5.0 V
= 5.5 V
50
50
50
65
65
65
80
DS21737A-page 7
80
80
95
95
95
C
F
= 1.0 uF
110 125
110 125
110 125