UCC28051DR TI Power Factor Correction (PFC)

The UCC28051DR is a transition-mode Power Factor Correction (PFC) controller for boost converters, designed to achieve near-unity power factor in AC-DC power supplies . It operates with low start-up current and features a 200-kHz switching frequency, internal transconductance voltage amplifier with low 0.5% tolerance reference, and cycle-by-cycle current limiting . The device includes overvoltage protection and UVLO (Undervoltage Lockout). Packaged in an 8-pin SOIC (D), it is ideal for power supplies requiring high power factor and low total harmonic distortion (THD). Applications include AC-DC adapters (≤ 300 W), LED lighting drivers, flat-panel display power supplies, and industrial power supplies requiring compliance with EN61000-3-2 harmonic current limits . In stock at HL Electronics – request a quote for fast delivery.