bd4912 ROHM Co. Ltd., bd4912 Datasheet - Page 7

• Manufacturer Part Number: bd4912
• Description: Dmos System Power Supply Ics With Low Current Consumption Now Available
• Manufacturer: ROHM Co. Ltd.

Fig.32 AUDIO Input Threshold Voltage
Fig.29 ILM Input Threshold Voltage
12
10
80
60
40
20
9
6
3
0
8
6
4
2
0
0
0
0
0
Fig.35 SEL2 Input Current
Ta=85 ℃
Ta=25 ℃
Ta=-40 ℃
Ta=85 ℃
Ta=25 ℃
Ta=-40 ℃
0.5
0.5
SEL2 VOLTAGE:V
SEL1 VOLTAGE:V
SEL2 VOLTAGE:V
Ta=25 ℃
4
1
1
Ta=85 ℃
1.5
1.5
Ta=-40 ℃
SEL2
SEL2
SEL1
8
[V]
[V]
[V]
2
2
2.5
2.5
12
Fig.30 P.CON Input Threshold Voltage
Fig.33 AM Input Threshold Voltage
10
10
20
15
10
8
6
4
2
0
8
6
4
2
0
5
0
Fig.36 Overvoltage Operation
0
0
0
SUPPLY VOLTAGE:Vcc1,2 [V]
SEL1 VOLTAGE:V
SEL2 VOLTAGE:V
1
1
Ta=85 ℃
Ta=25 ℃
Ta=-40 ℃
10
Ta=85 ℃
Ta=25 ℃
Ta=-40 ℃
From the left,
7/16
Ta=-40 ℃
Ta=25 ℃
2
2
Ta=85 ℃
20
3
3
SEL1
SEL2
30
[V]
[V]
4
4
5
40
5
Fig.31 P.ANT Input Threshold Voltage
20
15
10
80
60
40
20
5
0
0
6
4
2
0
50
0
0
Fig.34 SEL1 Input Current
Fig.37 Thermal Shutdown
AMBIENT TEMPERATURE:Ta [℃]
Ta=85 ℃
Ta=25 ℃
Ta=-40 ℃
2
SEL1 VOLTAGE:V
SEL1 VOLTAGE:V
100
Ta=25 ℃
4
Operation
4
Ta=85 ℃
6
SEL1
150
SEL1
8
8
Ta=-40 ℃
[V]
[V]
10
12
200
12