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Texas Instruments UCC28740DR | Demoboard PMP10936
85-265VAC Input, 12V/30W Two-Switch Flyback Reference Design
Overview
| Topology | Flyback Converter |
| Input voltage | 85-265 V |
| Output 1 | 12 V / 2.5 A |
| IC revision | C |
Description
The PMP10936 reference design uses the UCC28740 to provide an isolated 12V at 2.5A output. The UCC24632 is used to control a synchronous recitifer for high efficiency. The two-switch flyback topology recycles the transformer's leakage energy and provides a further improvement in efficiency.
Features
Remarks- Schematic and BOM is added with EVM pdf
Over 89% average efficiencyLess than 40mW standby power consumptionConstant current regulation prevents excessive currents in overloadCompact size 53mm X 55mm X 23mm (2.1" X 2.15" X 0.9")
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | Vaux 2 (V) | fswitch (kHz) | NPRI : NSEC : NAUX | ISAT (A) | Size | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7508112339 | SPEC | 4 files | Active i| Production is active. Expected lifetime: >10 years. | MID-OLTI Offline Flyback Transformers for Texas Instruments | 85 - 265 V (AC) | 12 | 3 | 18 | 6 | 100 | 7:1:1.5:0.5 | 2.2 | EE20/10/6 | – | 220 | – | – | 4500 | – | 22.2 | 25 | 16.5 | THT | ||
 | 744821240 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | – | – | XS | 1.5 | 4000 | 140 | 250 | 1500 | MnZn | 15.8 | 7.8 | 18 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7508112339 | SPEC | |
| 744821240 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | Vaux 2 (V) | fswitch (kHz) | NPRI : NSEC : NAUX | ISAT (A) | Size | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|