BD4912 查看數據表（PDF） - ROHM Semiconductor
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BD4912 Datasheet PDF : 17 Pages
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60
30
From the left,
Ta=85℃
Ta=25℃
Ta=-40℃
0
10
100
1000 10000
FREQUENCY:f [Hz]
100000
Fig.11 AUDIO Ripple Rejection Ratio
(IO = 200 mA)
8.3
8.2
8.1
8.0
7.9
-60
-20
20
60
100
AMBIENT TEMPERATURE:Ta [℃]
Fig.12 AUDIO Output Voltage vs
Temperature
15
From the left,
10
Ta=-40℃
Ta=85℃
Ta=25℃
5
0
0
200
400
600
OUTPUT CURRENT:Io [mA]
Fig.13 P.CON Load Regulation
0.6
Ta=85℃
0.4
Ta=25℃
0.2
Ta=-40℃
0
0 50 100 150 200 250 300 350
OUTPUT CURRENT:Io [mA]
Fig.14 P.CON Dropout Voltage
15
From the left,
Ta=-40℃
10
Ta=85℃
Ta=25℃
5
0
0
200
400
600
800
OUTPUT CURRENT:Io [mA]
Fig.15 P.ANT Load Regulation
0.5
Ta=85℃
0.4
0.3
Ta=25℃
0.2
0.1
Ta=-40℃
0
0
100
200
300
OUTPUT CURRENT:Io [mA]
Fig.16 P.ANT Dropout Voltage
10
8
6
From the left,
Ta=85℃
4
Ta=25℃
Ta=-40℃
2
0
0
10
20
30
40
SUPPLY VOLTAGE:Vcc1,2 [V]
Fig.17 AM Line Regulation
(IO = No load)
10
8
From the left,
Ta=-40℃
6
Ta=85℃
Ta=25℃
4
2
0
0
10
20
30
40
50
OUTPUT CURRENT:Io [mA]
Fig.18 AM Load Regulation
0.5
Ta=85℃
0.4
0.3
Ta=25℃
0.2
0.1
0
0
Ta=-40℃
5
10
15
20
25
OUTPUT CURRENT:Io [mA]
Fig.19 AM Dropout Voltage
(VCC1 = VCC2 = 7.5 V)
5/16
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