发明名称 Circuit for producing a controlled operating voltage for a data carrier such as a contactless chip card has charge pump circuit and monitor of output voltage
摘要 <p>A circuit for a controlled operating voltage for a data carrier comprises an NMOS control transistor (3) joined to a voltage input (2,4) and controlled voltage output (5) (VCC). A charge pump (6) to increase a control voltage connects to the control (7) via another charge pump stage and a control (10,11) connects to the control unit if the voltage is below a threshold. An independent claim is also included for a control process for the above circuit.</p>
申请公布号 DE102004011458(A1) 申请公布日期 2005.10.06
申请号 DE20041011458 申请日期 2004.03.09
申请人 INFINEON TECHNOLOGIES AG 发明人 MISSONI, ALBERT
分类号 G01R19/165;G05F1/575;G11C5/14;H02M3/07;(IPC1-7):G05F1/575 主分类号 G01R19/165
代理机构 代理人
主权项
地址