The UC2845AD8 is a High Performance Current Mode PWM Controller from Texas Instruments. It is a monolithic integrated circuit in a 8 Pin SOIC package. It is designed for use in off-line power supply design, dc-to-dc converter design, and any other switching power control scheme. It includes an adjustable error amplifier and a fast response current sensing comparator. The device has a high frequency oscillator, undervoltage lockout and a temperature compensated reference. Its features make it suitable for use in single ended primary inductor converters, forward converters, and flyback converters operating from a wide range of input voltages.