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MAX6639 Datasheet(PDF) 4 Page - Maxim Integrated Products

No. de Pieza. MAX6639
Descripción  2-Channel Temperature Monitor with Dual, Automatic, PWM Fan-Speed Controller
Descarga  22 Pages
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Fabricante  MAXIM [Maxim Integrated Products]
Página de inicio  http://www.maxim-ic.com
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MAX6639 Datasheet(HTML) 4 Page - Maxim Integrated Products

 
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2-Channel Temperature Monitor with Dual,
Automatic, PWM Fan-Speed Controller
4
_______________________________________________________________________________________
Typical Operating Characteristics
(VCC = 3.3V, TA = +25°C.)
STANDBY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
5.0
4.5
4.0
3.5
1
2
3
4
5
6
7
8
9
10
0
3.0
5.5
OPERATING SUPPLY CURRENT
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
5.0
4.5
4.0
3.5
300
400
500
600
700
800
200
3.0
5.5
REMOTE TEMPERATURE ERROR
vs. REMOTE-DIODE TEMPERATURE
TEMPERATURE (
°C)
100
75
50
25
-1
0
1
2
-2
0
125
FAIRCHILD 2N3906
LOCAL TEMPERATURE ERROR
vs. DIE TEMPERATURE
TEMPERATURE (
°C)
100
75
50
25
-0.5
-1.0
-1.5
0
0.5
1.0
-2.0
0
125
LOCAL TEMPERATURE ERROR
vs. POWER-SUPPLY NOISE FREQUENCY
FREQUENCY (Hz)
10k
1k
100
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
110
100k
VIN = 250mVP-P SQUARE WAVE APPLIED TO
VCC WITH NO BYPASS CAPACITOR
REMOTE TEMPERATURE ERROR
vs. COMMON-MODE NOISE FREQUENCY
FREQUENCY (Hz)
10k
1k
100
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
0.1
1
10
100k
VIN = AC-COUPLED TO DXP AND DXN
VIN = 100mVP-P SQUARE WAVE
REMOTE TEMPERATURE ERROR
vs. DIFFERENTIAL NOISE FREQUENCY
FREQUENCY (Hz)
10k
1k
100
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
10
100k
VIN = AC-COUPLED TO DXP
VIN = 100mVP-P SQUARE WAVE
TEMPERATURE ERROR
vs. DXP-DXN CAPACITANCE
DXP-DXN CAPACITANCE (nF)
10
1
-5.0
-4.0
-3.0
-2.0
-1.0
0
1.0
2.0
-6.0
0.1
100
REMOTE TEMPERATURE ERROR
vs. POWER-SUPPLY NOISE FREQUENCY
FREQUENCY (Hz)
10k
1k
100
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
10
100k
VIN = 250mVP-P SQUARE WAVE APPLIED TO
VCC WITH NO BYPASS CAPACITOR


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