Power supply and touch display device including the same

A touch display device, which is configured to operate between a normal mode in which the touch display device performs both a touch function and a display function, and a sleep mode in which the touch display device performs a touch function without performing the display function, the touch display device comprising:

• a display panel including a plurality of pixels and a plurality of touch sensors;
• a data drive circuit configured to supply a data voltage to the plurality of pixels;
• a touch drive circuit configured to supply a touch driving signal to the plurality of touch sensors;
• a timing controller configured to supply a data control signal to the data drive circuit;
• a micro-control unit configured to supply a touch synchronization signal to the touch drive circuit;
• and
• a power supply configured to supply a first driving voltage and a second driving voltage to the timing controller and the micro-control unit, the power supply comprising:
• a first converter configured to output the first driving voltage;
• a second converter configured to output the second driving voltage;
• a first switching unit configured to supply a first input voltage or a second input voltage to the first converter;
• a second switching unit configured to supply the first input voltage or the second input voltage to the second converter;
• and
• a switching control circuit configured to control the first switching unit and the second switching unit.