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2008.11.19
APL5552 - 600mA Linear Regulator with Reset Function
nbsp;nbsp;nbsp;nbsp; APL5552 是一顆包含重置功能的低壓差穩壓IC,重置功能為一具有延遲功能的輸出電路,能夠偵測操作電壓是否到達3.3V,輸入電壓可操作在4.5V至6V電壓範圍之間,且輸出電流可高達600mA,一般來說在600mA的負載下其壓差電壓(dropout voltage)只有600mV。APL5552是透過內部的P通道MOSFET做為傳送元件,靜態電流僅需100μA。APL5552內建過電流保護(current limit),短路電流保護(short circuit current limit)與過溫保護(OTP)以防止IC燒毀。APL5552採用小型SOP-8P封裝,於節省電路板空間有很大的幫助。
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