NCP30x系列参考设计电源电压序列控制应用 下载

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NCP30x系列参考设计电源电压序列控制应用为http://www.dianzi6.com整理发布，类型为电源技术，本站还有更多关于电源技术资料下载，电源技术的资料。
正文：Highly integrated system chips, which combine multiple digital and analog functions into a single package, often require multiple power supplies. Usually the microprocessor’s input/output (I/O) and core voltages are two separate and independent power requirements. A typical contemporary microprocessor’s I/O section usually operates at 3.3 V or 2.5 V, but the core sections operate at 1.8 V, 1.5 V, 1.3 V or lower. Improper supply sequencing
can result in device latchup, incorrect device initiation, or degradation of long−term reliability. Considering these issues, it’s important to consider the control of the supply−voltage sequencing to guarantee proper system operation. For example, DSPs and some other multi−voltage processors require their I/O voltage to be present before applying the core voltage.
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