Voltage boost circuit for a high voltage converter

Details Voltage boost circuit for a high voltage converter Voltage boost circuit for a high voltage converter

1998-12-16

1999-11-09

Nguyen, Matthew

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363133, H02M 3335, H02M 7538

Patent

active

059826444

ABSTRACT:
A current controlled voltage boost circuit for a high voltage converter. The voltage boost circuit includes a boost converter connected to receive an input voltage and a control signal, and output an increased output voltage to the high voltage converter as a function of a control signal. The circuit further includes a current sensing circuit providing an output voltage proportional to the sensed input current to the high voltage converter. The output voltage from the current sense circuit varies a reference voltage that is compared to the boost converter output voltage by an error amplifier. The error amplifier, in turn, outputs a control signal to the boost converter such that the control signal controls the boost converter output voltage as a function of the input current to the high voltage converter.

REFERENCES:
patent: 5495164 (1996-02-01), Heng
patent: 5508602 (1996-04-01), Borgato et al.
patent: 5694310 (1997-12-01), Malik et al.
patent: 5867379 (1999-02-01), Maksimovic et al.
patent: 5886514 (1999-03-01), Iguchi et al.

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