Pump circuit for generating multiple high voltage outputs from t

Details Pump circuit for generating multiple high voltage outputs from t Pump circuit for generating multiple high voltage outputs from t

1996-04-01

1998-04-28

Hecker, Stuart N.

Electric power conversion systems

Current conversion

With voltage multiplication means

327536, H02M 318

Patent

active

057453543

ABSTRACT:
The present invention provides a pump circuit for generating a single variable high voltage output or multiple high voltage outputs that respond to one or more discrete inputs. The present invention utilizes a common pump circuitry to process the discrete voltage inputs. Each of the discrete voltage inputs can be a different input voltage and can be stepped up to a higher output voltage according to the design constraints of the pump circuitry. Since the pump circuitry is used for each of the inputs, the amount of chip real estate consumed is minimized to avoid redundancy. A switching system is implemented that detects which input has a voltage present and activates a particular path to the pump output accordingly.

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patent: 5574634 (1996-11-01), Parlour et al.
S. Babar Raza, U.S.S.N. 08/597,849, A Single Pump for Generating High Voltage from Two Different Inputs, filed Feb. 7, 1996.

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