BD5423AEFS ROHM Co. Ltd., BD5423AEFS Datasheet - Page 7

• Manufacturer Part Number: BD5423AEFS
• Description: 17w+17w Class-d Speaker Amplifier For Analog Input
• Manufacturer: ROHM Co. Ltd.

© 2009 ROHM Co., Ltd. All rights reserved.
BD5423AEFS
●Electrical characteristic curves (Reference data) – Continued
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(3) Under Stereo Operation（R
Dotted lines of the graphs indicate continuous output power to be obtained on musical signal source or by installing
additional heat sinks.
100
100
30
25
20
15
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
Fig. 23 Output power - Power supply voltage
5
0
0
0
8
0
0
Fig. 24 Efficiency - Output power
Fig. 26 Efficiency - Output power
R
fin=1kHz
L
=4Ω
10
OUTPUT POWER (W/ch)
OUTPUT POWER (W/ch)
5
5
THD=10%
12
VCC (V)
L
10
10
=4Ω）
14
15
15
Vcc=16.5V
R
fin=1kHz
L
=4Ω
Vcc=10V
R
fin=1kHz
16
L
=4Ω
20
20
18
7/17
Fig. 27 Current consumption - Output power
100
90
80
70
60
50
40
30
20
10
0
4
3
2
1
0
0
0
Fig. 25 Efficiency - Output power
5
TOTAL OUTPUT POWER (W)
OUTPUT POWER (W/ch)
5
10
15
Vcc=10V
10
20
25
2009.06 - Rev.A
Technical Note
15
Vcc=12V
Vcc=16.5V
30
Vcc=12V
R
fin=1kHz
L
=4Ω
R
fin=1kHz
L
=4Ω
35
20
40