17-w, 2-channel Btl Af High-efficiency Power Amplifier For Car Stereo Systems Semicon DeviceThe LA4905 is a BTL 2-channel power Amplifier IC for
use in car Audio systems. Increases in the number of
external components are held to a minimum by adopting
both a signal-following type switching scheme in the
Amplifiers output stage power supply, and a newly-
developed nonlinear Amplifier that has nonlinear
characteristics in the signal system. The power dissipation
(thermal loss) in the actual operating range has been
reduced to about 1/2 that of earlier class B Amplifier ICs.
This contributes significantly to miniaturization of the heat
sink and to reduction of heating within the set. By Sanyo Semiconductor Corporation
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