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Texas Instruments UCC28070
800-W High efficiency bridgeless Power Factor Correction (PFC) reference design
Overview
| Topology | Power Factor Correction |
| Input voltage | 90-264 V |
| Output 1 | 390 V / 2 A |
| IC revision | 001 |
Description
This reference design is a bridgeless PFC circuit using UCC28070 Interleaving CCM PFC controller to provide 390-V /2-A output from universal AC input. The circuit uses Average Current Mode PWM control with advanced internal current synthesizer for current sensing. This design achieves 96.57% peak efficiency at 115-VAC/60-Hz input and 98.07% peak efficiency at 230-VAC/50-Hz input. The power factor is above 0.994 at full load at 115-VAC and 230-VAC input. The thin height (<25 mm) design makes it suitable for television and appliances application.
Features
- Bridgeless structure PFC for high efficiency
- Continuous current-mode control with current synthesizer to reduce differential filter
- 96.57% peak efficiency at 115-VAC/60-Hz and 98.07% peak efficiency at 230-VAC/50-Hz input
- Power factor above 0.994 at full load at 115-VAC and 230-VAC input
Typical applications
- SMPS power supply for TV
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7448041104 | SPEC | 9 files | WE-CMBNC Common Mode Power Line Choke Nanocrystalline | 11 | 4 | 8.8 | 300 | 2100 | Nanocrystalline | 29 | 19 | 32 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7448041104 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|