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Texas Instruments UCC28051 | Demoboard PMP8911
High Eff 2Stage Univ Input Power Supply-Transition Mode PFC LLC Resonant Conv Reference Design
Overview
| Topology | Half-Bridge Converter symmetrical isolated |
| Input voltage | 85-265 V |
| Output 1 | 54 V / 2 A |
| IC revision | A |
Description
Low EMI, high efficiency, high power factor and reliable power supply are main focus of the PMP8911 design for telecom applications. Transient mode (TM) power factor correction (PFC) with UCC28051 and LLC series resonant converter (SRC) with UCC25600 are applied in PMP8911. Low EMI is expected with zero voltage switching on TM-PFC and LLC-SRC switches. An overall 92% efficiency is achieved at 100W full load. In addition, several protections are embedded into this design which includes input under-voltage protection, input over-voltage protection, output over-voltage protection, and output hic-cup over-power protection.
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | IR(A) | L(µH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 5.3 A, 1.8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Performance Rated Current5.3 A | Saturation Current @ 10%1.8 A | Saturation Current @ 30%4 A | DC Resistance33 mΩ | Self Resonant Frequency40 MHz | – | Inductance10 µH | DC Resistance36.3 mΩ | – | – | MaterialSuperflux | Length7 mm | Width6.9 mm | Height4.8 mm | MountSMT | ||||
 | WE-CMB Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | – | – | – | – | – | Rated Current3 A | Inductance1000 µH | DC Resistance35 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length17.5 mm | Width13 mm | Height22 mm | MountTHT |