ML4803CP-1 MICROLINEAR/CML4803CP1 FAIRCHILD PFC& PWM COMBO CHIP * Internally sync.PFC & PWM in one 8 pin IC. * One pin voltage error amplifier with advanced input current shaping technique. * Peak or average current,continuous boost,leading edge PFC. * High efficiency trailing-edge current mode PWM. * Low supply currents 0,12mA/2mA * Sync.leading and trailing edge modulation. * Reduces ripple current in the storage cap.between the PFC & PWM sections. * Overvoltage,UVLO and brownout protection. * PFC, VccOVP with PFC soft start.