UC3851 controller equivalent, pwm controller.
* All Control, Driving, Monitoring, and Protection
Functions Included
* Low-Current Off Line Start Circuit
* Voltage Feed Forward or Current Mode Control
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Important features of these controllers include low current start-up, linear feed-forward for constant volt-second oper.
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 controll.
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