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参数资料
| 型号： | THMC45DGN |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, PDSO8 |
| 封装： | PLASTIC, MSOP-8 |
| 文件页数： | 3/15页 |
| 文件大小： | 255K |
| 代理商： | THMC45DGN |
THMC45
5V AND 3.3V DC BRUSHLESS FAN MOTOR DRIVER
WITH SINGLE WIRE CONTROL
SLIS101A MAY 2001
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
THERMAL INFORMATION
t Ambient Temperature
°C
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
20
30
40
50
60
70
80
90
100
110
120
130
140
150
POWER DISSIPATION
vs
AMBIENT TEMPERATURE
RθJ(SYS) = 100°C/W
Note: RθJ(SYS) refers to composite thermal impedance provided by the IC package, PCB, and fan housing.
RθJ(SYS) = 125°C/W
RθJ(SYS) = 170°C/W
RθJ(SYS) = 225°C/W
RθJ(SYS) = 285°C/W
P
D
Power
Dissipation
W
Figure 7
t Ambient Temperature
°C
0.0
0.1
0.2
0.3
0.4
0.5
20
30
40
50
60
70
80
90
100
110
120
130
140
150
CONTINUOUS CURRENT
vs
AMBIENT TEMPERATURE
Note: RθJ(SYS) refers to composite thermal impedance provided by the IC package, PCB, and fan housing.
Analysis assumes combined high and low-side RDSon = 5.5
.
RθJ(SYS) = 100°C/W
RθJ(SYS) = 285°C/W
RθJ(SYS) = 125°C/W
RθJ(SYS) = 170°C/W
RθJ(SYS) = 225°C/W
Continuous
Current
A
I
VPWR
Figure 8
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