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BUY UCC3818ADR https://www.utsource.net/itm/p/11723714.html
IC PFC CTRLR AVERAGE CURR 16SOIC
Description: The UCC3818ADR is a high-performance current-mode controller designed for off-line and DC-to-DC converter applications. It provides all of the control and protection features necessary for an off-line, current-mode control scheme. Features: High-Performance Current-Mode Control Low Start-Up Current Internal Slope Compensation Internal Soft-Start Low-Voltage Lockout Cycle-by-Cycle Current Limiting Overvoltage Protection Undervoltage Lockout Thermal Shutdown Applications: Off-line Flyback Converters Off-line Forward Converters Off-line Buck Converters DC-to-DC Converters (For reference only)