EM5301

5V/12V Synchronous Buck PWM Controller EM5301 General Description EM5301 is a synchronous rectified PWM controller operating with 5V or 12V supply voltage. This device operates at 200/300/500 kHz and provides an optimal level of integration to reduce size and cost of the power supply. This part includes internal soft start, over current protection, under voltage protection, over voltage protection, and shutdown function. This part is available in PSOP-8 package. Ordering Information Part Number Package Frequency EM5301GE PSOP-8 200kHz Reference Voltage 0.8V EM5301AGE PSOP-8 300kHz 0.8V EM5301BGE PSOP-8 500kHz 0.8V EM5301CGE PSOP-8 200kHz 0.6V EM5301DGE PSOP-8 300kHz 0.6V EM5301EGE PSOP-8 500kHz 0.6V Applications Notebook & Netbook Graphic Cards & MB Low Voltage Logic Supplies Pin Configuration Typical Application Circuit Features Operate from 5V to 12V Voltage Supply 0.8V or 0.6V VREF with 1.0% Accuracy Voltage Mode PWM Control 200kHz or 300kHz or 500kHz Fixed Freque...