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接口驱动器通常按照其输出驱动功能分类。当电流从驱动器输出端流出而流入负载时，该器件就称为“源”电流驱动器。反过来，电流从负载流入“吸收”驱动器。集成源驱动器通常由高压ＰＮＰ器件和大功率ＮＰＮ达林顿输出组成。这些功率ＩＣ适用于连接低电平逻辑（ＴＴＬ、Ｃ...
Interface drives are usually classified according to their output drive functions. When the current flows from the driver output to the load, the device is called the “source” current driver. In turn, current flows from the load into the “sink” driver. The integrated source driver usually consists of a high-voltage PNP device and a high-power NPN Darlington output. These power ICs are suitable for connecting low level logic (TTL, C ...