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TC649B 数据表(PDF) 8 Page - Microchip Technology

部件名 TC649B
功能描述  PWM Fan Speed Controllers With Auto-Shutdown
PDF  36 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

TC649B 数据表(HTML) 8 Page - Microchip Technology

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TC646B/TC648B/TC649B
DS21755B-page 8
 2003 Microchip Technology Inc.
Note: Unless otherwise indicated, VDD = 5V, TA = 25°C.
FIGURE 2-7:
FAULT / OTF VOL vs.
Temperature.
FIGURE 2-8:
VC(MAX) vs. Temperature.
FIGURE 2-9:
VC(MIN) vs. Temperature.
FIGURE 2-10:
Sense Threshold
(VTH(SENSE)) vs. Temperature.
FIGURE 2-11:
FAULT / OTF IOL vs. VOL.
FIGURE 2-12:
PWM Source Current (IOH)
vs. Temperature.
10
20
30
40
50
60
70
-40 -25 -10
5
20
35
50
65
80
95
110 125
Temperature (ºC)
IOL = 2.5 mA
VDD = 3.0V
VDD = 5.5V
VDD = 5.0V
VDD = 4.0V
2.570
2.580
2.590
2.600
2.610
-40 -25 -10
5
20
35
50
65
80
95 110 125
Temperature (ºC)
VDD = 5.0V
VDD = 5.5V
VDD = 3.0V
CF = 1 µF
1.180
1.190
1.200
1.210
1.220
-40 -25 -10
5
20
35
50
65
80
95 110 125
Temperature (ºC)
VDD = 5.0V
VDD = 3.0V
CF = 1 µF
69.5
70.0
70.5
71.0
71.5
72.0
72.5
73.0
73.5
74.0
-40 -25 -10
5
20
35
50
65
80
95 110 125
Temperature (ºC)
VDD = 3.0V
VDD = 4.0V
VDD = 5.5V
VDD = 5.0V
0
2
4
6
8
10
12
14
16
18
20
22
0
50
100
150
200
250
300
350
400
VOL (mV)
VDD = 5.5V
VDD = 3.0V
VDD = 4.0V
VDD = 5.0V
5.00
10.00
15.00
20.00
25.00
30.00
35.00
40.00
45.00
-40 -25 -10
5
20
35
50
65
80
95 110 125
Temperature (ºC)
VDD = 5.5V
VDD = 5.0V
VDD = 4.0V
VDD = 3.0V
VOH = 0.8VDD



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