作者: Akio C O Nec Corporat Tamagawa
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摘要: A voltage converting circuit of the charge pump step-up type includes a first means for charging each and second capacitors with source at timing. operates to serially connect charged capacitor between positive electrode output terminal timing so that which is double voltage, supplied from terminal. third in series ground negative Since are generated independently other, variation on one terminals caused by an external load causes no other terminals.