BD5461GUL Просмотр технического описания (PDF) - ROHM Semiconductor
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BD5461GUL Datasheet PDF : 17 Pages
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BD5461GUL
●Reference Data
Efficiency - Output power
f=1kHz RL=8Ω+33uH LC-filter(22uH+1uF)
100
90
80
70
60
50
40
VDD= 2 .5 V
VDD= 3 .6 V
30
VDD= 5 .0 V
20
10
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2
Po [W]
Fig.4
Efficiency vs Output power
f=1kHz RL=4Ω+33uH LC-filter(22uH+1uF)
90
80
70
60
50
VDD= 2 .5 V
40
VDD= 3 .6 V
30
VDD= 5 .0 V
20
10
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
Po [W]
Fig.6
Icc - VDD
No load, No signal
3
2.5
2
1.5
1
0.5
0
0
1
2
3
4
5
6
VDD [V]
Fig.8
Output power vs RL THD+N=10%
f=1kHz LC-filter(22uH+1uF) 400Hz-30kHz
2 .8
2 .4
2 .0
VDD= 2 .5 V
VDD= 3 .6 V
1 .6
VDD= 5 .0 V
1 .2
0 .8
0 .4
0 .0
4
8 12 16 20 24 28 32
RL [Ω]
Fig.10
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Technical Note
Icc vs Output power
f=1kHz RL=8Ω+33uH LC-filter(22uH+1uF)
300
250
200
150
100
VDD= 2 .5 V
VDD= 3 .6 V
50
VDD= 5 .0 V
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Po [W]
Fig.5
Icc vs Output power
f=1kHz RL=4Ω+33uH LC-filter(22uH+1uF)
600
1.1 1.2
500
400
300
VDD= 2 .5 V
200
VDD= 3 .6 V
VDD= 5 .0 V
100
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
Po [W]
Fig.7
Istby - VDD
0.5
0.4
0.3
0.2
0.1
0
0
1
2
3
4
5
6
VDD [V]
Fig.9
Output power vs RL THD+N=1%
f=1kHz LC-filter(22uH+1uF) 400Hz-30kHz
1.4
1.2
VDD= 2 .5 V
1.0
VDD= 3 .6 V
VDD= 5 .0 V
0.8
0.6
0.4
0.2
0.0
4
8 12 16 20 24 28 32
RL [Ω]
Fig.11
2010.06 - Rev.A
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