bd5445efv ROHM Co. Ltd., bd5445efv Datasheet - Page 7

• Manufacturer Part Number: bd5445efv
• Description: Analog Input / Single End Output Class-d Speaker Amplifier
• Manufacturer: ROHM Co. Ltd.

●Typical Characteristic Data (SE×2ch）Measured on ROHM’s evaluation board.
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BD5445EFV
www.rohm.com
Fig.21 Total output power－Current consumption (R
26
24
22
20
18
16
14
12
10
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
8
6
4
2
0
Fig.19 Power supply voltage－Output power (R
2
1
0
8
0
Dotted lines of the graphs indicate continuous output power by installing additional heat sinks.
10
RL=4Ω
fin=1kHz
5
12
THD+n=10%
10
14
TOTAL OUTPUT POWER(W)
16
15
Vcc=24V
RL=4Ω
fin=1kHz
18
Vcc (V)
20
THD+n=1%
20
25
22
24
30
26
35
28
30
40
L
L
=4Ω)
=4Ω)
7/31
100
90
80
70
60
50
40
30
20
10
0
0
Fig.20 Output power－Efficiency (RL=4Ω)
5
OUTPUT POWER(W/ch)
Vcc=24V
RL=4Ω
fin=1kHz
10
Technical Note
2010.05 - Rev.B
15
20