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TC653 Scheda tecnica(PDF) 8 Page - Microchip Technology

Il numero della parte TC653
Spiegazioni elettronici  Integrated Temperature Sensor & Brushless DC Fan Controller with FanSense?줔etect & Over-Temperature
PDF  14 Pages
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Produttore elettronici  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

TC653 Scheda tecnica(HTML) 8 Page - Microchip Technology

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TC652/TC653
DS21453B-page 8
© 2002 Microchip Technology Inc.
5.0
TYPICAL CHARACTERISTICS
The graphs and tables provided following this note are a statistical summary based on a limited number of samples
and are provided for informational purposes only. The performance characteristics listed herein are not tested or
guaranteed. In some graphs or tables, the data presented may be outside the specified operating range (e.g., outside
specified power supply range) and therefore outside the warranted range.
90
80
70
60
50
40
30
20
10
0
-50
0
0
24
6
8
10 12 14 16 18 20
25
-25
50
75 100 125 150
TEMPERATURE (˚C)
IDD vs. Temperature
3.0
2.5
2.0
1.5
1.0
0.5
0.0
TL
T1
T2
T3
T4
TH
TTHRESHOLD
Temp Accuracy vs. VTH
ISOURCE (mA)
PWM, ISOURCE vs. (VDD - VOH), TA = 25˚C
VDD = 2.8V
VDD = 5.5V
VDD = 2.7V
VDD = 5.6V
VDD = 5.6V
VDD = 2.7V
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
12
3
4
5
6
7
8
910
ISINK (mA)
PWM, ISINK vs. VOL, TA = 25˚C
VDD = 2.8V
VDD = 5.5V
0
50
100
150
200
250
300
350
400
450
500
ISOURCE (mA)
TOVER, ISOURCE vs. (VDD - VOH), TA = 25˚C
VDD = 2.8V
VDD = 5.5V
0
12
3
4
5
6
7
8
910
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
ISOURCE (mA)
FAULT, ISOURCE vs. (VDD - VOH), TA = 25˚C
VDD = 2.8V
VDD = 5.5V
0
12
3
4
5
6
7
8
910
0
12
3
4
5
6
7
8
910
1.0 1.5 2.0 2.5 3.0 3.5 4.0
5.0
4.5
0.5
5.0
5.0
5.0
0.0
0.0
0.0
ISINK (mA)
500msec/Div
FAULT, ISINK vs. VOL, TA = 25˚C
VDD = 2.8V
VDD = 5.5V
0
50
100
150
200
250
300
350
400
450
500
TC652/3, Fan is Running
SHDN is Connected to VDD, TA = 25˚C
Start-Up Time
0
VDD
PWM
FAULT
23
4
5
6
78
10
9
1
5.0
5.0
5.0
0.0
0.0
0.0
1sec/Div
TC653, Fan is Not Running
SHDN is Connected to VDD, TA = 25˚C
0
VDD
PWM
FAULT



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