TB2905HQ 的典型應(yīng)用是一款專為汽車音頻應(yīng)用而開發(fā)的高效 KB 級(jí)
功率放大器 IC,包含四個(gè) BTL
放大器通道。它采用純互補(bǔ)D
MOS輸出級(jí),由P溝道上部和N溝道下部組成,提供47W的最大輸出
功率(POUT)。在正常工作條件下,KB 類(鍵控 BTL)放大器產(chǎn)生的熱量不到同類 AB 類解決方案的一半。因此,可以設(shè)計(jì)更小的散熱器并保持汽車音響較低的內(nèi)部溫度
說明
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Typical Application for TB2905HQ is a high-efficiency class KB power amplifier IC developed for car audio applications that incorporates four BTL amplifier channels. It employs a pure complementary DMOS output stage consisting of P-ch upper and N-ch lower sections, offering a maximum output power (POUT) of 47W. Class KB (keyed BTL) amplifiers exhibit less than half the heat generation of comparable class AB solutions under normal operating conditions. Therefore, it is possible to design a smaller heatsink and maintain lower internal temperature in the car audio sets