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TC649B Fiches technique(PDF) 7 Page - Microchip Technology

No de pièce TC649B
Description  PWM Fan Speed Controllers With Auto-Shutdown
PDF  36 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

TC649B Fiches technique(HTML) 7 Page - Microchip Technology

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 2003 Microchip Technology Inc.
DS21755B-page 7
TC646B/TC648B/TC649B
2.0
TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, VDD = 5V, TA = 25°C.
FIGURE 2-1:
IDD vs. Temperature.
FIGURE 2-2:
PWM Sink Current (IOL) vs.
VOL.
FIGURE 2-3:
PWM Source Current (IOH)
vs. VDD - VOH.
FIGURE 2-4:
PWM Frequency vs.
Temperature.
FIGURE 2-5:
IDD vs. VDD.
FIGURE 2-6:
IDD Shutdown vs.
Temperature.
Note:
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.
125
130
135
140
145
150
155
160
165
-40 -25 -10
5
20
35
50
65
80
95 110 125
Temperature (ºC)
VDD = 3.0V
VDD = 5.5V
Pins 6 & 7 Open
CF = 1 µF
0
2
4
6
8
10
12
14
16
0
50 100 150 200 250 300 350 400 450 500 550 600
VOL (mV)
VDD = 5.5V
VDD = 5.0V
VDD = 3.0V
VDD = 4.0V
0
2
4
6
8
10
12
14
16
0
100
200
300
400
500
600
700
800
VDD - VOH (mV)
VDD = 5.5V
VDD = 5.0V
VDD = 3.0V
VDD = 4.0V
28.50
29.00
29.50
30.00
30.50
-40 -25 -10
5
20
35
50
65
80
95 110 125
Temperature (ºC)
VDD = 3.0V
VDD = 5.5V
CF = 1.0 F
125
130
135
140
145
150
155
160
165
170
33.544.555.5
VDD (V)
TA = -40ºC
TA = -5ºC
TA = +125ºC
TA = +90ºC
Pins 6 & 7 Open
CF = 1 µF
15
18
21
24
27
30
-40 -25 -10
5
20
35
50
65
80
95
110 125
Temperature (ºC)
VDD = 5.5V
VDD = 3.0V
Pins 6 & 7 Open
VIN = 0V



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