EPC EPC9106 Skrócona instrukcja obsługi - Strona 4

Przeglądaj online lub pobierz pdf Skrócona instrukcja obsługi dla Płyta główna EPC EPC9106. EPC EPC9106 10 stron. 150 w/8 omega class-d amplifier

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THERMAL CONSIDERATIONS

With this high efficiency, the EPC9106 design allows for the complete
removal of any classical or historical heat sink requirement. This
elimination of the heat sink also reduces the potential contribution to
radiated EMI/EMC emissions. However, care must be taken to not exceed
the absolute maximum die temperature of 150°C and stay within the
constraints of the other components within the circuit.
NOTE. The EPC9106 demonstration board does not have any thermal protection on board.
Amplifier Efficiency at 8 ohms (%)
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
0
1
3
5
8
11 15 20 26 32 38 45 53 62 71 81 91 102 114 126 139 152
Figure 5: Amplifier efficiency vs.output power at 8 Ω.
4 |
Power block, no heatsink, eGaN FETs.
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
1
2
| EPC – EFFICIENT POWER CONVERSION CORPORATION |
Demonstration System EPC9106
Amplifier Efficiency at 4 ohms (%)
6
10 16 22 30 40 50 62 75 89 105 121 139 159 179 201 224 247 267
Figure 6: Amplifier efficiency vs. output power at 4 Ω.
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