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Overview
| Topology | Power Factor Correction |
| Input voltage | 96-134 V |
| Output 1 | 240 V / 13.3 A |
| IC revision | C |
Description
This is a compact, 30-V DC, 400-W reference design for avionics applications, accepting main frequencies between 400 Hz and 800 Hz. This design consists of a front-end, two-phase interleaved transition mode (TM) power factor correction (PFC) based on UCC28064A. This minimizes the PFC inductor size and reduces EMI filter requirements. The DC/DC is implemented by employing HB-LLC stage, using UCC256404. For efficiency improvement, synchronous rectification is used at secondary side with FETs driven by UCC24612.
Features
- Overall efficiency of 92.5% at full load with peak efficiency > 93%
- High power factor > 0.99, meets PFC regulations and current THD for DO-160 avionics requirements
- ZCS avoidance feature and OVP sensing feature in LLC controller improves robustness and protects systems from overcurrent, short circuit and overvoltage to ensure safety
- Small PCB form factor of 160 mm by 80 mm by 30 mm
Typical applications
- Full authority digital engine control (FADEC), Standalone avionics PFC
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Pins | Rows | G (mm) | Gender | Type | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 61300111121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Pin Header | 3 | – | – | – | – | – | 2.54 | – | – | THT | 1 | Single | – | Pin Header | Straight | Bag | |
 | 7447076 | SPEC | – | 6 files | WE-FI Leaded Toroidal Line Choke | 6.1 | 150 | – | – | – | – | 27.5 | 13.6 | – | – | – | – | – | – | – | – | |
 | 7448031501 | SPEC | 9 files | WE-CMBNC Common Mode Power Line Choke Nanocrystalline | 15 | 1000 | 3.2 | 300 | 2100 | Nanocrystalline | 24 | 17 | 25 | THT | 4 | – | 5 | – | – | – | ||
| 750318973 | SPEC | – | – | PFC Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 61300111121 | SPEC | – |
| 7447076 | SPEC | – |
| 7448031501 | SPEC | |
| 750318973 | SPEC | – |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Product series | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Pins | Rows | G (mm) | Gender | Type | Packaging | Samples |
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