TC654 Microchip Technology, TC654 Datasheet - Page 6

• Manufacturer Part Number: TC654
• Description: (TC654 / TC655) PWM Fan Speed Controllers With Fan Fault Detection
• Manufacturer: Microchip Technology

TC654/TC655
2.0
FIGURE 2-1:
FIGURE 2-2:
Temperature.
FIGURE 2-3:
Temperature.
DS21734A-page 6
Note:
9.000
8.000
7.000
6.000
5.000
4.000
3.000
2.000
1.000
35
30
25
20
15
10
180
175
170
165
160
155
150
145
140
135
130
5
-40
-40 -25 -10
TYPICAL PERFORMANCE CURVES
-40 -25 -10
Pins 7,8, and 9 Open
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.
-25
-10
V
5
5
DD
V
5
DD
= 5.5 V
Temperature (°C)
I
I
Temperature (°C)
PWM, Source Current vs.
Temperature (ºC)
20
DD
= 3.0 V
DD
20
20
35
vs. Temperature.
Shutdown vs.
35
35
V
DD
50
50
50
= 5.0 V
V
DD
65
65
65
= 5.5 V
80
80
80
V
V
DD
DD
V
V
95
95
OH
V
= 3.0 V
95
DD
= 3.0 V
DD
= 0.8V
= 4.0 V
= 5.5 V
110 125
110 125
110 125
DD
FIGURE 2-4:
Temperature.
FIGURE 2-5:
FIGURE 2-6:
Temperature.
14
12
10
32
31
30
29
28
27
50
45
40
35
30
25
20
15
8
6
4
2
-40
-40
-40
C
I
F
OL
-25
-25
-25
= 1.0 µF
= 2.5 mA
-10
-10
-10
5
5
5
Temperature (°C)
Temperature (ºC)
Temperature (ºC)
20
PWM, Sink Current vs.
Fault V
20
PWM Frequency vs.
20
V
2002 Microchip Technology Inc.
35
DD
35
35
= 4.0 V
V
DD
50
50
50
OL
= 3.0 V
V
V
DD
DD
65
vs. Temperature.
65
65
= 5.5 V
= 3.0 V
80
80
V
80
V
DD
DD
V
V
OL
= 3.0 V
DD
V
V
V
= 5.5 V
95
95
95
DD
DD
DD
= 0.1 V
= 5.0 V
= 4.0 V
= 5.5 V
= 5.0 V
110 125
110 125
110 125
DD