LD7552D PDF File ( Datasheet )

LD7552D 12, 19, 2007 Green-Mode PWM Controller with Integrated Protections and Adjustable OLP Delay Time REV: 00 General Description The LD7552D are specifically designed for the low total system cost by integrating many functions, protections, and the EMI-improved solution in a SOP-8 package which usually need a lot of extra components or circuits on the general designs. The implemented functions include low startup current, green-mode power-saving operation, leading-edge blanking of the curre