Abstract—This paper presents the design of multiple output
power supply from AC power supply that is used as an input to
this power supply system. As an Embedded system works on
different voltage levels because the sub modules used in any
embedded system required different voltage levels as per their
specifications, so power supply proposed in this paper produces
+15V, -15V, +5V, -5V, +3.3V, +5V Isolated voltage levels. The
input for this power supply is 220 Volt AC supply. This AC
supply is converted into DC supply of 48 volts but this range can
be 36-72 volts. This power supply is capable of providing
approximate 41W output power with 85% efficiency. The power
supply design topology selected for this paper is flyback
converter because flyback converter is an efficient method for
generating multiple output voltage levels. This power supply is
designed by utilizing low cost, highly efficient discrete
components. This supply designed here can be used for almost all
applications due to its versatile range of constant output voltage
levels