L293, L293D
QUADRUPLE HALF H DRIVERS
SLRS008C 鈭?SEPTEMBER 1986 鈭?REVISED NOVEMBER 2004
APPLICATION INFORMATION
MAXIMUM POWER AND JUNCTION
vs
THERMAL RESISTANCE
4
P TOT 鈭?Power Dissipation 鈭?W
胃
JA
80
5
胃
JA 鈭?Thermal Resistance 鈭?/div>
擄C/W
P TOT 鈭?Power Dissipation 鈭?W
With Infinite Heat Sink
4
Heat Sink With
胃
JA = 25擄C/W
MAXIMUM POWER DISSIPATION
vs
AMBIENT TEMPERATURE
3
60
3
2
2
PTOT (TA = 70擄C)
40
Free Air
1
1
20
0
0
10
20
Side
30
鈭?mm
40
50
0
0
鈭?0
0
50
100
150
TA 鈭?Ambient Temperature 鈭?/div>
擄C
Figure 9
Figure 10
12
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
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