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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 | Status | Product series | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-CMBNC Common Mode Power Line Choke Nanocrystalline, 11 A, 4 mH | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMBNC Common Mode Power Line Choke Nanocrystalline | Rated Current11 A | Inductance4 mH | DC Resistance8.8 mΩ | Rated Voltage300 V (AC) | Insulation Test Voltage2100 V (AC) | MaterialNanocrystalline | Length29 mm | Width19 mm | Height28 mm | MountTHT |