POWER GENERATING MODULE AND LIQUID CRYSTAL DISPALY AND ELECRONIC DEVICE HAVING THE SAME

摘要

A power generating module and a liquid crystal display and an electronic device having the same are provided to supply the stable power by offsetting the noise ripple component of the power source outputted from each powered terminal through the share capacitance. A logic voltage generation part comprises the first powered terminal, the second powered terminal, and a filtering portion(422). The first external power supply(PVDD1) inputted to an analog voltage generation part is supplied to the first powered terminal. The second powered terminal outputs the logic voltage(DVDD) through a regulator(421). The filtering portion is connected between the first powered terminal and the second powered terminal and shares the capacitance. The regulator is driven by the input power source inputted through the enable terminal. The voltage level of the second exterior voltage(PVDD2) inputted through the input terminal is step-downed by the regulator. The output voltage of the output terminal is input to the sensing terminal of regulator. The regulator regularly controls the output level of the output terminal.