The UC3844M/TR is a high performance, Pulse Width Modulation (PWM) Control integrated circuit designed for Switching Controllers applications. It features internal Regulator with Output Current Limiting, High Speed Pulse by Pulse Current Limiting, and Under Voltage Lockout (UVLO), allowing designers to achieve improved system efficiency, tight regulation and minimized stress on external power components. The device is packaged in a standard 8-lead Small Outline Package (SOP-8) with RoHS-compliant lead-free finish and is suitable for use in a wide array of applications, such as Power Factor Correction, Uninterruptible Power Supplies, DC-to-DC Converters, and other Switching Mode Power Supplies.