BD5423AEFS ROHM Co. Ltd., BD5423AEFS Datasheet - Page 6

• 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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(2)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
25
20
15
10
100
90
80
70
60
50
40
30
20
10
5
0
90
80
70
60
50
40
30
20
10
Fig. 18 Output power - Power supply voltage
0
0
8
0
0
R
fin=1kHz
Fig. 19 Efficiency - Output power
L
=6Ω
Fig. 21 Efficiency - Output power
10
5
5
OUTPUT POWER (W/ch)
OUTPUT POWER (W/ch)
12
10
VCC (V)
10
L
=6Ω）
THD=10%
14
15
15
16
Vcc=16.5V
R
fin=1kHz
Vcc=10V
R
fin=1kHz
20
20
L
=6Ω
L
=6Ω
18
25
25
6/17
100
90
80
70
60
50
40
30
20
10
Fig. 22 Current consumption - Output power
0
4
3
2
1
0
0
0
Fig. 20 Efficiency - Output power
5
Vcc=10V
TOTAL OUTPUT POWER (W)
10 15 20 25 30 35 40 45 50
5
OUTPUT POWER (W/ch)
10
Vcc=12V
15
2009.06 - Rev.A
Technical Note
Vcc=16.5V
Vcc=12V
R
fin=1kHz
20
R
fin=1kHz
L
L
=6Ω
=6Ω
25