| http://www.w3.org/ns/prov#value | - The output voltage Vc of this buck boost DC-DC converter 41 is given by the following expression: ##EQU8## Where V.sub.R is an input voltage, and D is the duty ratio of the transistor 41a.It will be apparent from the expression (9) that, in this fourth embodiment, the output voltage of the DC-DC converter 41 can not only be stepped up but also be stepped down relative to the input voltage.Such a b
|
