Preregulated DC-to-DC converter

Details Preregulated DC-to-DC converter Preregulated DC-to-DC converter

1998-04-08

1999-08-17

Sterrett, Jeffrey

Electricity: power supply or regulation systems

Output level responsive

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

323222, 363 60, G05F 1563

Patent

active

059398663

ABSTRACT:
A method and an arrangement for controlling the output voltage (V2) of a DC-to-DC converter (100). The DC-to-DC converter (100) comprises converting means (101) and regulating means (102). The converting means is fed by a first DC-voltage (V1) from the regulating means. The first DC-voltage (V1) is determined by a feed back portion (VDIV) of the output voltage (V2) from the converting means and a reference voltage (VREF). The reference voltage is derived from a pulse train (PT1). The output voltage (V2) depends on both the first DC-voltage (V1) and the pulse train (PT1). The output voltage (V2) from the DC-to-DC converter is kept constant under varying load and the output voltage level can be adjusted in an easy and flexible manner by the pulse train.

REFERENCES:
patent: 4618812 (1986-10-01), Kawakami
patent: 4980810 (1990-12-01), McClanahan et al.
patent: 5436550 (1995-07-01), Arakawa
patent: 5446367 (1995-08-01), Pinney
patent: 5757170 (1998-05-01), Pinney
patent: 5831418 (1998-11-01), Kitagawa
Maxim +12v., 30mA Flash Memory Programming Supply, Dec. 1992, 1, 3-4.

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