The UTC UC3854 provide all the functions necessary for active power factor corrected preregulators. The controller achieves near unity power factor by shaping the AC input line current waveform to correspond to that of AC input line voltage.
| Part Number | Manufacturer | Description |
|---|---|---|
| UC3854B | UNITRODE | Enhanced High Power Factor Preregulator |
| UC3854 | Texas Instruments | High-Power Factor Preregulator |
| UC3854A | Texas Instruments | ADVANCED HIGH-POWER FACTOR PREREGULATOR |
| UC3854B | Texas Instruments | ADVANCED HIGH-POWER FACTOR PREREGULATOR |
| UC3854A | UNITRODE | Enhanced High Power Factor Preregulator |
| UC3853 | Unitrode | High Power Factor Preregulator |
| UC3855A | UNITRODE | High Performance Power Factor Preregulator |
| UC385-ADJ | Texas Instruments | Fast Transient Response 5-A Low-Dropout Regulator |
| UC3855B | UNITRODE | High Performance Power Factor Preregulator |
| UC385-3 | Texas Instruments | Fast Transient Response 5-A Low-Dropout Regulator |
