The UCx84x family of current-mode PWM controllers offers a range of package options, temperature ranges, and maximum duty cycles. They are suitable for off-line and DC-DC converters, with features such as low start-up current, automatic feedforward compensation, and pulse-by-pulse current limiting.

Key Features

Undervoltage lockout with hysteresis, double-pulse suppression, high-current totem-pole output, and an internally trimmed bandgap reference.


Switching regulators of any polarity, transformer-coupled DC-DC converters, and other power conversion applications.


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