Switching power supply regulator utilizing linear regulator devi

Details Switching power supply regulator utilizing linear regulator devi Switching power supply regulator utilizing linear regulator devi

1980-01-10

1982-03-02

Shoop, William M.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

G05F 144

Patent

active

043180396

ABSTRACT:
A voltage regulator network (10) for use in cooperation with a linear regulator device (18) to supply at least one regulated output voltage (20). A transformer (T1) includes first (N1) and second (N2) windings. A capacitor (C2) is coupled to the output of line (20) of the network (10) in parallel with the load (21) to be supplied with the regulated voltage (V2). The regulator device (18) is switched on and off in a cyclical manner to minimize its power dissipation yet reap the advantages inherent with such devices. In its on state, capacitor (C2) is supplied with sufficient charging current from the regulator device (18). When the device (18) is turned off, charging current is supplied from the second winding (N2). Provision is made for generating different regulated voltage levels (V3) by the inclusion of a third winding (N3).

REFERENCES:
patent: 4068158 (1978-01-01), Hicks et al.

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