BA51W12SAT View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
Manufacturer
BA51W12SAT Datasheet PDF : 9 Pages
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Regulator ICs
!Electrical characteristic curves
12
11
VCC=14V
Ta=25˚C
10
VO1
9
8
7
6
VO2
5
4
3
2
1
0
0
500
1000
1500
2000
OUTPUT CURRENT : IO (mA)
Fig.10 Output current capacity
characteristics (Typ.)
10
Ta=25°C
9
IO=0mA
VO1
8
VO2
7
Over voltage
6
protection circuit,
ON Vcc=28V(Typ.)
5
4
3
2
1
0
0 6 12 18 24 30 36 42 48 54 60
POWER SUPPLY VOLTAGE : VCC (V)
Fig.11 Output voltage
characteristics (Typ.)
BA51W12SAT
28
(1) With infinte heat sink
(2) With Al heat sink
24
100×100×2 (mm2)
(3) With Al heat sink
20
50×50×2 (mm2)
(4) Without heat sink
Note : When using AI
16
heat sink, a tightening
torque of 6 (kg cm) and
silicon grease is applied
12
(2)
8
(3)
4
(4)
0
0 25 50 75 100 125 150
AMBIENT TEMPERATURE : Ta (˚C)
Fig.12 Thermal derating characteristics
!External dimentions (Units : mm)
10.0
+
−
0.3
0.1
7.0
+
−
0.3
0.1
φ 3.2 ± 0.1
4.5
+
−
0.3
0.1
2.8
+
−
0.2
0.1
1.2
0.8
12345
1.778
0.5 + 0.1
2.85
10.0
+
−
0.3
0.1
7.0
+
−
0.3
0.1
φ 3.2 ± 0.1
4.5
+
−
0.3
0.1
2.8
+
−
0.2
0.1
1.2
0.8
1.778
0.5 ± 0.1
(2.85)
4.25
8.15
1 2 34 5
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