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BUY UCC2818AD https://www.utsource.net/itm/p/422980.html
IC PFC CTR AVERAGE 220KHZ 16SOIC
The UCC2818AD is a high-performance current-mode controller designed for off-line and DC-to-DC converter applications. It is optimized for low-cost, low-power, low-noise, and high-efficiency operation. Features: * Low start-up current * Internal soft-start * Internal oscillator * Internal compensation * Over-voltage protection * Under-voltage lockout * Over-temperature protection * Programmable frequency * Programmable dead time Applications: * Switching power supplies * DC-to-DC converters * Off-line converters * Battery chargers * Motor control (For reference only)