STK4102II Ver la hoja de datos (PDF) - SANYO -> Panasonic
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STK4102II Datasheet PDF : 8 Pages
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STK4102II
Sample Application Circuit (II) (protection circuit and muting circuit)
Thermal Design
The IC power dissipation of the STK4102II at the IC-operated mode is 9.8W max. at load resistance 8Ω and 15.5W max.
at load resistance 4Ω (simultaneous drive of 2 channels) for continuous sine wave as shown in Figure 1 and 2.
Output power, Po - W
Figure 1. STK4102II Pd – Po (RL = 8Ω)
Output power, Po - W
Figure 2. STK4102II Pd – Po (RL = 4Ω)
In an actual application where a music signal is used, it is impractical to estimate the power dissipation based on the con-
tinuous signal as shown above, because too large a heat sink must be used. It is reasonable to estimate the power dissipa-
tion as 1/10 Po max. (EIAJ).
No. 2324—7/8
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