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求一款芯片，输入为5-36V直流，输出为3.3V 200ma-500ma的直流
亲；有很多产品可用。这里介绍几款；以便你选择：LM43600、LM2574、TPS57040、TPS5401、TPS54060、LM14006
LMR16006 600mA
LM46001 1A
都可以满足你的需求
Hi
用TI的webench软件选型，顺便可以得到参考电路图，零件表，效率等信息。
