Title:
HIGH-VOLTAGE POWER CIRCUIT
Document Type and Number:
Japanese Patent JPH0538140
Kind Code:
A
Abstract:
PURPOSE: To provide a high-voltage power supply using a transformer improved in the stability of output voltage relative to a load change.
CONSTITUTION: A high-voltage power circuit is constituted to set the induced voltage of the third winding 5 of a transformer 2, which voltage is applied to a high-voltage rectifying diode 12a, and the avalanche voltage Vz of the diode 12a so that both voltages are equal to each other at the time when a load 14 is maximum and that the Zener voltage of a Zener diode 15 is equal to the base-ground voltage of a transistor 6 at that time, and the power circuit is also arranged so that the stability of output voltage is improved relative to the load change from no-load to the maximum load.
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Inventors:
SHIMOZAKA HIROYOSHI
Application Number:
JP18611391A
Publication Date:
February 12, 1993
Filing Date:
July 25, 1991
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H02M3/28; H02M3/338; (IPC1-7): H02M3/28; H02M3/338
Attorney, Agent or Firm:
Akira Kobiji (2 outside)