Electric power conversion systems – Current conversion – With voltage multiplication means
Patent
1979-05-04
1981-06-02
Shoop, William M.
Electric power conversion systems
Current conversion
With voltage multiplication means
307297, H02P 1322
Patent
active
042714613
ABSTRACT:
A clock-controlled dc converter is provided in integrated semiconductor MOS technology and serves the supply voltage of integrated MOS circuits, particularly dynamic memories. The converter comprises a clock pulse generator having two outputs, supplying sequences of clock pulses which are inverted with respect to one another, which pulses are connected to the two clock pulse inputs of a first pulse level shifter. The first pulse level shifter comprises a bistable flip-flop lying at a supply potential, and which is switched as a level shifter. The two outputs of the first level shifter are connected, on the one hand, to the output of a voltage converter by way of the source-drain circuit of a respective field effect transistor. On the other hand, the two outputs are connected to the supply input of a respective pulse voltage doubler, which are in turn directly charged by a respective output of the clock pulse generator. The two pulse voltage doublers supply the clock pulse supply for a second pulse level shifter, likewise constructed as a bistable flip-flop, by way of the two outputs of which the connection between the outputs of the first level shifter and the output of the voltage comparator is controlled. The doubled supply voltage appears at the output of the voltage converter.
REFERENCES:
patent: 3742260 (1973-06-01), Boudry
patent: 3942047 (1976-03-01), Buchanan
patent: 3975671 (1976-08-01), Stoll
patent: 4016476 (1977-04-01), Morokawa et al.
patent: 4047091 (1977-09-01), Hutchines et al.
Hoffmann Kurt
Zapf Karl
Shoop William M.
Siemens Aktiengesellschaft
Wong Peter S.
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