TA7291J データシートの表示（PDF） - Toshiba
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TA7291J Datasheet PDF : 14 Pages
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TA7291AP
15
(1)
10
(2)
5
(3)
(4)
PD – Ta
(1) Infinite heat sink
(2) 80 cm2 ´ 2 mm Al
Heat sink (qHS = 6°C/W)
(3) 15 cm2 ´ 2 mm Al
Heat sink (qHS = 20°C/W)
(4) No heat sink
qj-a = 65°C/W
0
0
50
100
150
200
Ambient temperature Ta (°C)
TA7291AP/AS(J)/AF
TA7291AP
t – Rth
(1) Infinite heat sink
(2) 80 cm2 ´ 2 mm Al heat sink
(3) 25 cm2 ´ 2 mm Al heat sink
(4) No heat sink
Input pulse
PW
t (s)
100
50
30
10
5
3
1
10-2
(4)
(2) (3)
(1)
10-1
1
10
102
103
Pulse width t (s)
TA7291AS (J)
2.0
1.6
PD – Ta
No heat sink
qj-a = 130°C/W
1.2
0.8
0.4
0
0
25
50
75
100 125 150 175
Ambient temperature Ta (°C)
TA7291AS (J)
1000
500
300
t – Rth
No heat sink
100
50
30
10
5
3
1
0.1
Input pulse
PW
t (s)
1
10
100
Pulse width t (s)
1000
TA7291AF
2.0
1.6
(1)
1.2
PD – Ta
(1) When mounted on a PCB
(PCB area: 60 mm ´ 30 mm ´
1.6 mm, Cu area: 50% or more)
(2) No heat sink
qj-a = 140°C/W
0.8
(2)
0.4
0
0
25
50
75
100 125 150 175
Ambient temperature Ta (°C)
TA7291AF
t – Rth
(1) No heat sink
(2) When mounted on a PCB
Input pulse
PW
(PCB area: 60 mm ´ 30 mm ´ 1.8
mm, Cu area: 50% or more)
t (s)
200
(1)
100
(2)
50
30
10
1
10
100
1000
Pulse width t (s)
7
2003-02-14
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