UC3851 Datasheet - UNITRODE

UC3851 PWM Controller

The UC1851 family of PWM controllers are optimized for offline primary side control. These devices include a high current totem pole output stage and a toggle flip-flop for absolute 50% duty cycle limiting. In all other respects this line of controllers is pin for pin compatible with the UC1841 seri.

UC3851 Features

* All Control, Driving, Monitoring, and Protection Functions Included

* Low-Current Off Line Start Circuit

* Voltage Feed Forward or Current Mode Control

* High Current Totem Pole Output

* 50% Absolute Max Duty Cycle

* PWM Latch for Single Pulse Per Pe

UC3851-UNITRODE.pdf