PWM UC3842B
New PWMA current-mode PWM generator intended for switching applications of either polarity, as well as in step-down converters. It has a low START-UP current, pulse-by-pulse current limiting, undervoltage lockout, etc. Operates at frequencies up to 500kHz. This circuit is widely accepted in industrial applications, and you will find it in welding machines and as the choice of many designers in both hobby and professional electronics projects. Package - DIP-8
