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STA323W Fiches technique(PDF) 18 Page - STMicroelectronics

No de pièce STA323W
Description  2.1 high efficiency digital audio system
PDF  71 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA323W Fiches technique(HTML) 18 Page - STMicroelectronics

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Electrical characteristics curves
STA323W
18/71
Figure 14 shows the mono mode output power as a function of power supply voltages for
loads of 2, 3, and
Ω Ohms. The same current limits as those given for Figure 13 apply,
except output current is 8 A minimum, with 12 A typical in the mono-bridge configuration.
The solid curves show typical performance and dashed curves depict the minimum current
limit. The output power curves assume proper thermal management of the power device's
internal dissipation.
Figure 15.
Half-bridge binary mode output power vs. supply (THD+N=10%).
Curves taken at f = 1 kHz and using a 330µF blocking capacitor
Figure 15 shows the output power as a function of power supply voltages for loads of 4, 6,
and 8
Ω when the STA323W is operated in a half-bridge binary mode. The solid curves
depict typical performance. Minimum current limit is not reached for these combinations of
voltage and load impedance. The output power curves assume proper thermal management
of the power device's internal dissipation.
10
25
20
15
4ohm
6ohm
8ohm
5
0
10
12
14
16
18
20
22
2
26
Power Supply Voltage (VDC)
Output power (W )



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