
The UC3854 implements all the control functions necessary to build a power supply capable of optimally using available power-line current while minimizing line-current distortion. The …
UC3854 Datasheet (PDF) - Texas Instruments
Description: High Power Factor Preregulator. Manufacturer: Texas Instruments.
UC3854 data sheet, product information and support | TI.com
TI’s UC3854 is a Bipolar CCM PFC controller supporting line freq. across 50Hz-400Hz range, 0°C to 70°C. Find parameters, ordering and quality information.
UC3854B data sheet, product information and support | TI.com
TI’s UC3854B is a Enhanced bipolar CCM PFC controller with 10.5V/10V UVLO, 0°C to 70°C. Find parameters, ordering and quality information.
The circuit of Figure 1 shows a typical application of the UC3854 as a preregulator with high power factor and effi-ciency. The assembly consists of two distinct parts, the control circuit …
UC3854BDW Texas Instruments | Integrated Circuits (ICs) | DigiKey
UC3854BDW – PFC IC Average Current 200kHz 16-SOIC from Texas Instruments. Pricing and Availability on millions of electronic components from Digi-Key Electronics.
Designing a Power Factor Correction (PFC) Circuit Using UC3854 – …
2025年3月8日 · This UC3854 IC helps us do active power factor correction in systems where otherwise, we would have a non-sinusoidal current being drawn from a sinusoidal power line.
The UC3854, with aver-age current mode control, allows the boost stage to move between continuous and discontinuous modes of operation without a performance change.
UC3854 Texas Instruments | Power Management (PMIC)
UC3854 Texas Instruments Power Management (PMIC) parts available at DigiKey.
The UC3854 implements all the control functions necessary to build a power supply capable of optimally using available power-line current while minimizing line-current distortion. The …