Smoothing circuit for switching power supply

Details Smoothing circuit for switching power supply Smoothing circuit for switching power supply

1998-10-20

2000-05-23

Nguyen, Matthew

Electric power conversion systems

Current conversion

Including automatic or integral protection means

H02M 700

Patent

active

060672390

ABSTRACT:
A smoothing circuit for a switching power supply is formed of a combination of a reactor and a capacitor having a small equivalent internal resistance, and a MOSFET connected in series to the capacitor. The MOSFET is turned on by an output voltage of the smoothing circuit and has an ON-state resistance compensating for an equivalent internal resistance of the capacitor.

REFERENCES:
patent: 3869658 (1975-03-01), Hanke et al.
patent: 4020409 (1977-04-01), Ishigaki et al.
patent: 4937540 (1990-06-01), Carlson et al.
patent: 5247239 (1993-09-01), Yamamura et al.
patent: 5420777 (1995-05-01), Muto

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