Internal Block Circuit Diagram of IC LA445

Published:2011/7/7 8:39:00 Author:Vicky | Keyword: Internal Block Circuit Diagram | From:SeekIC

LA445 is a dual-channel audio power amplifier integrated circuit produced by Japanese SANYO Electric. It is widely used in home audio device, vehicle audio device, television audio system, and computer audio System. Functions and Features IC LA445 consists of dual-channel audio power amplifier circuit, short-circuit protection circuit, overvoltage protection circuit, surge suppressor circuit, and thermal cutoff circuit. It has various features, such as strong restraining capacity of ripple wave, high separating degree, good balance, and convenient assembling of radiator. It can constitute dual-channel or BTL power amplifier. The limit working voltage of IC L445 is 25V, maximum quiescent current is 100mA, and typical value is 75mA. Its internal block circuit diagram is shown in the picture.



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