Technical Note

7/16

BD5423MUV

www.rohm.com

2010.05 - Rev.B

© 2010 ROHM Co., Ltd. All rights reserved.

0

5

10

15

20

25

30

8

1012

141618

VCC (V)

THD=10%

fin=1kHz

0

10

20

30

40

50

60

70

80

90

100

0

5

10

15

20

OUTPUT POWER (W/ch)

Vcc=10V

fin=1kHz

0

10

20

30

40

50

60

70

80

90

100

0

5

10

15

20

OUTPUT POWER (W/ch)

Vcc=12V

fin=1kHz

0

10

20

30

40

50

60

70

80

90

100

0

5

10

15

20

OUTPUT POWER (W/ch)

Vcc=16.5V

fin=1kHz

0

1

2

3

4

0

5

10

15

20

25

30

35

40

TOTAL OUTPUT POWER (W)

Vcc=10V

Vcc=12V

Vcc=16.5V

fin=1kHz

●

Electrical characteristic curves (Reference data) – Continued

(3) Under Stereo Operation(RL=4Ω)

Fig. 23 Output power - Power supply voltage

Fig. 24 Efficiency - Output power

Fig. 25 Efficiency - Output power

Fig. 26 Efficiency - Output power

Fig. 27 Current consumption - Output power

Dotted lines of the graphs indicate continuous output power to be obtained on musical signal source or by installing

additional heat sinks.