UC2855A
Description
The UC3855A/B provides all the control features necessary for high power, high frequency PFC boost converters.
Key Features
- Controls Boost PWM to Near Unity
- 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 pensator allows for Universal Input Voltage Operation
