The FP5208, FP5208A and FP5208B are boost topology switching regulator for wide operating voltage applications. They provide built-in gate driver pin for driving external N-MOSFET. The non-inverting input of error amplifier connects to a 0.6V precision reference voltage. They have programmable soft start time set by external capacitors. FP5208 and FP5208B have programmable frequency set by external resistors. FP5208A and FP5208B have programmable