Datasheet Details
Part number:
UC1852
Manufacturer:
UNITRODE
File Size:
400.02 KB
Description:
High Power-Factor Preregulator
Features
* Low-Cost Power Factor Correction
* Power Factor Greater Than 0.99
* Few External Parts Required
* Controlled On-Time Boost PWM
* Zero-Current Switching
* Limited Peak Current
* Min and Max Frequency Limits
* Starting Current Less Than
UC1852, High Power-Factor Preregulator
The UC1852 provides a low-cost solution to active power-factor correction (PFC) for systems that would otherwise draw high peak current pulses from AC power lines.
This circuit implements zero-current switched boost conversion, producing sinusoidal input currents with a minimum of external component
UC1852 Distributor
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