UC2855A - High Performance Power Factor Preregulator

UNITRODE

Datasheet Details

The UC3855A/B provides all the control

Controls Boost PWM to Near Unity Power Factor.
Fixed Frequency Average Current Mode Control Minimizes Line Current Distortion.
Built-in Active Snubber (ZVT) allows Operation to 500kHz, improved EMI and Efficiency.
Inductor Current Synthesizer allows Single Current Transformer Current Sense for Improved Efficiency and Noise Margin.
Accurate Analog Multiplier with Line Compensator allows for Universal Input Voltage Operation.
High Bandwidth (5.

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UNITRODE UC2855A-like datasheet

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