TS4872 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
TS4872 Datasheet PDF : 29 Pages
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TS4872
Fig. 15 : Pout @ THD + N = 1% vs Supply
Voltage vs RL
Fig. 16 : Pout @ THD + N = 10% vs Supply
Voltage vs RL
1.4
Gv = 2 & 10
1.2 Cb = 1µF
F = 1kHz
1.0 BW < 125kHz
Tamb = 25°C
0.8
0.6
8Ω
6Ω
4Ω
16Ω
0.4
0.2
32Ω
0.0
2.5
3.0
3.5
4.0
4.5
5.0
Vcc (V)
2.0
Gv = 2 & 10
1.8 Cb = 1µF
1.6 F = 1kHz
BW < 125kHz
1.4 Tamb = 25°C
1.2
1.0
0.8
0.6
0.4
0.2
0.0
2.5
3.0
8Ω
6Ω
4Ω
16Ω
3.5
4.0
Vcc (V)
32Ω
4.5
5.0
t(s) Fig. 17 : Power Dissipation vs Pout
c 1.4
u Vcc=5V
d 1.2 F=1kHz
ro THD+N<1%
1.0
RL=4Ω
P 0.8
lete 0.6
o 0.4
RL=8Ω
bs 0.2
RL=16Ω
O 0.0
- 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
) Output Power (W)
uct(s Fig. 19 : Power Dissipation vs Pout
rod 0.40
P Vcc=2.6V
0.35 F=1kHz
te THD+N<1%
0.30
ole 0.25
s0.20
Ob 0.15
RL=4Ω
Fig. 18 : Power Dissipation vs Pout
0.6
Vcc=3.3V
F=1kHz
0.5 THD+N<1%
0.4
RL=4Ω
0.3
0.2
RL=8Ω
0.1
RL=16Ω
0.0
0.0
0.2
0.4
0.6
0.8
Output Power (W)
Fig. 20 : Power Derating Curves
1.4
Heat sink surface = 125mm2
1.2
(See demoboard)
1.0
0.8
0.6
RL=8Ω
0.10
0.4
No Heat sink
0.05
RL=16Ω
0.2
0.00
0.0
0.1
0.2
0.3
0.4
Output Power (W)
0.0
0
25
50
75
100
125
150
Ambiant Temperature ( C)
9/29
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