NCV8184(2019) 데이터 시트보기 (PDF) - ON Semiconductor
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NCV8184 Datasheet PDF : 20 Pages
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NCV8184
Table 3. DPAK 5−LEAD THERMAL RC NETWORK MODELS*
Drain Copper Area (1 oz thick)
100 mm2
645 mm2
100 mm2
645 mm2
(SPICE Deck Format)
C_C1
C_C2
C_C3
C_C4
C_C5
C_C6
C_C7
C_C8
C_C9
C_C10
R_R1
R_R2
R_R3
R_R4
R_R5
R_R6
R_R7
R_R8
R_R9
R_R10
Junction
node1
node2
node3
node4
node5
node6
node7
node8
node9
Junction
node1
node2
node3
node4
node5
node6
node7
node8
node9
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
node1
node2
node3
node4
node5
node6
node7
node8
node9
gnd
Cauer Network
100 mm2
645 mm2
0.0000016
0.0000016
0.0000060
0.0000060
0.0000177
0.0000177
0.0001586
0.0001587
0.0001927
0.0001931
0.0056684
0.0058019
0.0832719
0.1225791
0.1125429
0.3555671
0.5161495
1.2959188
1.4600223
100 mm2
1.8396650
645 mm2
0.8287213
0.8287120
1.9304163
1.9303119
4.7751915
4.7743247
2.3736457
2.3705112
2.0679537
2.0623650
5.3364094
5.1102633
6.0331860
3.2428679
22.7616126
8.6995800
17.9894079 16.1165074
22.7199543 16.7871407
Units
W−s/C
W−s/C
W−s/C
W−s/C
W−s/C
W−s/C
W−s/C
W−s/C
W−s/C
W−s/C
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
Foster Network
Tau
1.00E-06
1.00E-05
1.00E-04
1.76E-04
0.0010
0.030
0.285
3.00
9.03
55.2
R’s
0.490938
1.061544
3.356895
1.606314
5.00
5.00
2.00
9.147005
17.23178
41.92202
Tau
1.00E-06
1.00E-05
1.00E-04
1.76E-04
0.0010
0.030
0.299
3.00
11.80
79.0
R’s
0.490938
1.061544
3.356895
1.606314
5.00
5.00
2.00
5.071663
3.646957
34.68827
*Bold face items in the tables above represent the package without the external thermal system.
Units
sec
sec
sec
sec
sec
sec
sec
sec
sec
sec
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
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. 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:
S R(t) + n Ri ǒ1−e−tńtaui Ǔ
i+1
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