AN6540 查看數據表（PDF） - Panasonic Corporation
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AN6540 Datasheet PDF : 3 Pages
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s Characteristics Curve
100
50
30
20
10
5
3
2
1
0.5
0.3
0.2
0.1
1
tr – Cr
2 3 5 10 20 30 50 100
Capacity Cr (µF)
PD –Ta
8
7
6
5
4
15˚C/W
3
Heat Sink
2
1 Without Heat Sink
0
0 20 40 60 80 100 120 140 160
Ambient Temperature Ta (˚C)
VO –VDIF
8.7
8.6
IO=0mA
8.5
100mA
200mA
8.4
8.3
8.2
8.1
8.0
7.9
0 0.1 0.2 0.3 0.4 0.5 0.6
Input/Output Voltage Difference VDIF (V)
VO –Ta
8.8
VI=13.2V
8.7
IO=100mA
8.6
8.5
8.4
8.3
8.2
8.1
8.0
–40 –20 0 20 40 60 80
Ambient Temperature Ta (˚C)
VO –VI
8.8
8.7
IO=0mA
8.6
8.5
100mA
200mA
8.4
8.3
8.2
8.1
8.0
6 8 10 12 14 16 18
Input Voltage VI (V)
VO – IO
10
VI=13.2V
9
8
7
6
5
4
3
2
1
0
0
100
200
300
400
Output Current IO (mA)
s Basic Regulator Circuit
VI
+
1µF –
1
4
VO
AN6540
2
3
+
Cr
–
+
47µF
–
Note) Choose the oscillation control capacitor 47µF which has a small capacitance reduction
even at a low temperature. For example, use the tantalum capacitor.
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