DC-DC Converters with Controllable Latch-up Protection Technique for LCD Mobile Display Panels

摘要

The pulse width control circuit of DC-DC converters utilizing an inrush current controller was designed to ensure proper pumping action and avoid latch-up during power-up. The converters with controllable latch-up protection technique were excellently operated at temperatures above 90℃ and heavy load capacitances of Mobile LCD panels.