NCV7708 ON Semiconductor, NCV7708 Datasheet - Page 14

• Manufacturer Part Number: NCV7708
• Description: The NCV7708 is a fully protected Hex Half Bridge Driver designed specifically for automotive and industrial motion control applications. The six low and high side drivers are freely configurable and can be controlled separately. This allows for high
• Manufacturer: ON Semiconductor

in the Foster network are computed by the square root of time constant R(t) = 28.4 * 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.
Bold face items in the Cauer network above, represent the package without the external thermal system. The Bold face items
0.01
100
1.0
0.1
10
0.000001 0.00001
D = 0.50
D = 0.20
D = 0.10
D = 0.05
D = 0.01
Cu_Area = 986 mm
Figure 10. SOIC 28−Lead Thermal Duty Cycle Curves on 1, Spreader Test Board
2.68E−05
1.02E−04
2.82E−04
9.58E−04
2.72E−03
2.02E−03
2.93E−02
239 mm
53.503
0.048
0.352
0.777
0.599
1.677
2.968
6.424
6.940
0.116
0.115
0.16
C’s
R’s
1
Cauer Network
2
0.0001
2
1 oz 1 S
SOIC 28−lead Thermal RC Network Models
986 mm
2.68E−05
1.02E−04
2.84E−04
9.73E−04
2.63E−03
1.95E−03
3.12E−02
36.970
0.091
0.048
0.115
0.349
0.776
0.630
1.667
3.151
5.527
6.689
0.21
C’s
R’s
1
0.001
2
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PULSE DURATION (sec)
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
Units
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
NCV7708
0.01
14
1.00E−06
1.00E−05
1.00E−04
5.00E−04
1.00E−03
1.00E−02
8.00E−02
4.00E−01
2.00E+00
6.00E+01
2.84E−02
6.14E−02
1.94E−01
239 mm
0.1
59.000
0.100
0.500
1.839
2.207
1.249
8.225
Tau
R’s
Foster Network
2
1.0
1.00E−06
1.00E−05
1.00E−04
5.00E−04
1.00E−03
1.00E−02
8.00E−02
4.00E−01
2.00E+00
5.50E+01
2.84E−02
6.14E−02
1.94E−01
986 mm
41.000
0.100
0.480
1.933
1.836
2.291
8.000
Tau
R’s
2
10
Units
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
Area
sec
sec
sec
sec
sec
sec
sec
sec
sec
sec
Cu
100
1000