参数资料
| 型号： | NCV7356D2 |
| 厂商： | ON Semiconductor |
| 文件页数： | 10/24页 |
| 文件大小： | 0K |
| 描述： | IC TXRX CAN SGL WIRE 14-SOIC |
| 产品变化通告： | Product Discontinuation 27/Jun/2007 |
| 标准包装： | 55 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | CAN |
| 电源电压： | 5 V ~ 27 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SOICN |
| 包装： | 管件 |
NCV7356
http://onsemi.com
18
Table 1. SOIC8 Thermal RC Network Models*
53 mm2
719 mm2
Copper Area
53 mm2
719 mm2
Copper Area
Cauer Network
Foster Network
C’s
Units
Tau
Units
5.86E06
Ws/C
1.00E06
sec
2.29E05
Ws/C
1.00E05
sec
6.98E05
6.97E05
Ws/C
1.00E04
sec
3.68E04
Ws/C
1.99E04
sec
3.75E04
3.74E04
Ws/C
1.00E03
sec
1.57E03
1.56E03
Ws/C
1.64E02
sec
2.05E02
2.24E02
Ws/C
5.60E01
sec
9.13E02
7.35E02
Ws/C
4.50E+00
sec
2.64E01
1.22E+00
Ws/C
7.61E+01
sec
1.66E+01
9.74E+00
Ws/C
3.00E+01
sec
R’s
0.22
C/W
1.30E01
C/W
0.50
C/W
2.82E01
C/W
1.30
C/W
8.91E01
C/W
1.80
1.79
C/W
0.17
0.18
C/W
0.95
0.96
C/W
1.88
C/W
7.43
7.37
C/W
7.15
7.24
C/W
31.19
31.59
C/W
19.80
16.27
C/W
59.97
47.70
C/W
30.1
54.7
C/W
75.79
28.63
C/W
14.1
23.3
C/W
4.41
6.15
C/W
109.0
21.3
C/W
*Bold face items in the Cauer network above, represent the package without the external thermal system. The Bold face items in the Foster network
are computed by the square root of time constant R(t) = 130 * sqrt(time(sec)). The constant is derived based on the active area of the device
with silicon and epoxy at the interface of the heat generation.
The
Cauer
networks
generally
have
physical
significance and may be divided between nodes to separate
thermal behavior due to one portion of the network from
another. The Foster networks, though when sorted by time
constant (as above) bear a rough correlation with the Cauer
networks, are really only convenient mathematical models.
Both Foster and Cauer networks can be easily implemented
using circuit simulating tools, whereas Foster networks
may be more easily implemented using mathematical tools
(for instance, in a spreadsheet program), according to the
following formula:
R(t) +
n
S
i + 1
Ri 1et taui
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