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PDF IRAUDAMP10 Data sheet ( Hoja de datos )

Número de pieza IRAUDAMP10
Descripción 300W x 2 Channel Class D Audio Power Amplifier
Fabricantes International Rectifier 
Logotipo International Rectifier Logotipo



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No Preview Available ! IRAUDAMP10 Hoja de datos, Descripción, Manual

IRAUDAMP10
300W x 2 Channel Class D Audio Power Amplifier
Using the IRS2052M and IRF6775
By
Jun Honda, Yasushi Nishimura and Liwei Zheng
CAUTION:
International Rectifier suggests the following guidelines for safe operation and handling of
IRAUDAMP10 Demo board;
Always wear safety glasses whenever operating Demo Board
Avoid personal contact with exposed metal surfaces when operating Demo Board
Turn off Demo Board when placing or removing measurement probes
www.irf.com
IRAUDAMP10 REV 1.1
Page 1 of 34

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IRAUDAMP10 pdf
Connection Setup
Fig 1 Typical Test Setup
Connector Description
CN1
P1
P2
P3
Pin #
1
2
3
4
1
2
3
1
2
1
2
Pin Name
CH1 INPUT
GND
GND
CH2 INPUT
-B
GND
+B
CH2 OUTPUT
GND
GND
CH1 OUTPUT
Pin Description
Analog input for CH1
Floating ground of Channel 1 input
Floating ground of Channel 2 input
Analog input for CH2
-50V supply referenced to GND.
Ground signal from MB.
+50V supply referenced to GND.
Output of Channel 2
Floating ground of Channel 2 output
Floating ground of Channel 1 output
Output of Channel 1
www.irf.com
IRAUDAMP10 REV 1.1
Page 5 of 34

5 Page





IRAUDAMP10 arduino
Efficiency
Fig 10 shows efficiency characteristics of the IRAUDAMP10. The high efficiency is achieved by
following major factors:
1) Low conduction loss due to the DirectFETs offering low RDS(ON)
2) Low switching loss due to the DirectFETs offering low input capacitance for fast rise and
fall times
Secure dead-time provided by the IRS2052M, avoiding cross-conduction.
Efficiency (%)
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
0
50
AMP10 50V 4ohms
100 150 200 250 300 350
Output power (W)
Fig 10, IRAUDAMP10 4 ohms load Stereo, ±B supply = ±50V
Thermal Considerations
With this high efficiency, the IRAUDAMP10 design can handle one-eighth of the continuous rated
power, which is generally considered to be a normal operating condition for safety standards,
without additional heatsinks or forced air-cooling.
www.irf.com
IRAUDAMP10 REV 1.1
Page 11 of 34

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