DC-DC CONVERTER AND ORGANIC LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME

摘要

A DC-DC converter includes: a converter configured to convert a voltage input to an input terminal into a first voltage, and to output the first voltage to an output terminal; a controller configured to receive a feedback voltage and a reference voltage, and to control the converter; a first auxiliary voltage generator configured to receive a first input voltage and a second input voltage, and to generate a plurality of first auxiliary voltages; a first selector configured to select an initial voltage and a target voltage from the first auxiliary voltages; a second auxiliary voltage generator configured to receive the initial voltage and the target voltage, and to generate a plurality of second auxiliary voltages; and a second selector configured to select any one voltage from the initial voltage, the target voltage, and the second auxiliary voltages, and to supply the selected voltage to the controller as the reference voltage.

主权项

1. A DC-DC converter, comprising: a converter configured to convert a voltage input to an input terminal into a first voltage, and to output the first voltage to an output terminal;
a controller configured to receive a feedback voltage and a reference voltage, and to control the converter; a first auxiliary voltage generator configured to receive a first input voltage and a second input voltage, and to generate a plurality of first auxiliary voltages; a first selector configured to select an initial voltage and a target voltage from among the first auxiliary voltages; a second auxiliary voltage generator configured to receive the initial voltage and the target voltage, and to generate a plurality of second auxiliary voltages; and a second selector configured to select any one voltage from the initial voltage, the target voltage, and the second auxiliary voltages, and to supply the selected voltage to the controller as the reference voltage.