Description
The UC1854 provides active-power factor correction for power systems that otherwise would draw nonsinusoidal current from sinusoidal power lines.
Features
- 1 Control Boost PWM to 0.99 Power Factor.
- Limit Line-Current Distortion to < 5%.
- World-Wide Operation Without Switches.
- Feedforward Line Regulation.
- Average Current-Mode Control.
- Low Noise Sensitivity.
- Low Startup Supply Current.
- Fixed-Frequency PWM Drive.
- Low-Offset Analog Multiplier and Divider.
- 1-A Totem-Pole Gate Driver.
- Precision Voltage Reference
2.