TC651 Microchip Technology Inc., TC651 Datasheet - Page 5

• Manufacturer Part Number: TC651
• Description: Tiny Integrated Temperature Sensor & Brushless Dc Fan Controller With Overtemperature Alert
• Manufacturer: Microchip Technology Inc.

2.0
Note: Unless otherwise indicated, V
FIGURE 2-1:
FIGURE 2-2:
FIGURE 2-3:
(V
 2004 Microchip Technology Inc.
Note:
DD
– V
TYPICAL PERFORMANCE CURVES
OH
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.
500
450
400
350
300
250
200
150
100
).
50
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.0
0.0
0.1
90
80
60
40
30
20
10
70
50
0
-50
0
0
V
1
-25
V
1
DD
DD
2
V
= 2.8V
2
= 2.8V
DD
TEMPERATURE (°C)
I
PWM, I
T
0
DD
3
3
OVER
=
I
SOURCE
5.6
25
4
vs. Temperature.
4
I
SINK
50
5
5
, I
V
V
SINK
DD
DD
V
(mA)
(mA)
SOURCE
6
DD
6
75 100 125 150
= 5.5V
= 5.5V
= 2.7
T
7
7
T
A
DD
vs. V
A
= +25°C
8
= +25°C
8
= 2.8V to 5.5V, SHDN = V
9
9
vs.
OL
10
10
.
FIGURE 2-4:
V
FIGURE 2-5:
(V
TH
DD
DD
, T
.
– V
A
= –40 C to +125 C.
OH
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.0
).
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.1
T
0
L
V
2
DD
TC650/TC651
T
V
4
1
= 5.6
DD
Temperature Accuracy vs.
PWM, I
V
= 2.8V
6
DD
I
T
SOURCE
T
THRESHOLD
= 2.7
2
8
10 12 14 16 18 20
SOURCE
(mA)
T
3
V
DD
T
= 5.5V
A
T
= +25°C
4
DS21450C-page 5
vs.
T
H