Overview
The UCx84x family of current-mode PWM controllers offers a range of package options, temperature ranges, and maximum duty cycles. These devices 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 internally trimmed bandgap reference.
Applications
Switching regulators of any polarity, transformer-coupled DC-DC converters.
The UCx84x series provides the necessary features to implement off-line or DC-to-DC fixed-frequency current-mode control schemes with a minimum number of external components.
Manual:
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