Multiple output DC-DC converter with different ranges of output

Details Multiple output DC-DC converter with different ranges of output Multiple output DC-DC converter with different ranges of output

1994-03-24

1995-10-03

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

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

323271, 323284, 307 44, G05F 1577

Patent

active

054555019

ABSTRACT:
A primary voltage generation circuitry and an auxiliary voltage generation circuitry is provided to a DC-DC converter. The primary voltage generation circuitry generates a primary voltage output, and the auxiliary voltage generation circuitry, in cooperation with the primary voltage generation circuitry, generates an auxiliary voltage output. The primary voltage generation circuitry includes a switching circuit element and an inductor element, whereas the auxiliary voltage generation circuitry includes an inductor element complementary to the inductor element of the primary voltage generation circuitry. The inductor element of the auxiliary voltage generation circuitry references the primary voltage output, and relies on a minimum load at the primary voltage output. Preferably, the auxiliary voltage generation circuitry further includes reference circuitry elements for regulating the auxiliary voltage output to a precise assurance range. As a result, multiple high precision voltage outputs are generated efficiently by the DC-DC converter in a cost effective manner.

REFERENCES:
patent: 4945465 (1990-07-01), Marinus et al.
patent: 5119013 (1992-06-01), Sabroff

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