| HP-Bench-Briefs-1986-07-10.pdf | | HEWLETT
PACKARD
Barry Halm,
HP New Jersey Division
Flyback Converters -
Figure 1. Flyback converter
We previously discussed the half-
bridge converter and its use in the transfer this stored energy to the Now we will define the term auto-
off-line switching power supply. Re- output filter and load. Both the dy- ranging, as it is related to dc power
member, off-line is defined as a power namic voltage range and energy supplies.
supply whose input rectifier circuits transferred are controlled by the time
operate directly from the ac power that Q1 and Q2 are on and Ipri is Figure 2 shows the output character-
line without transformer isolation. flowing. Note that the primary and istics of three different power sup-
This article discusses the flyback secondary |
