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Texas Instruments UCC28740D | Demoboard PMP9638
Flyback with Universal Input (85 - 264Vac), Dual Output 12V/2A and 3.3V/0.5A
Overview
| Topology | Flyback Converter |
| Input voltage | 85-264 V |
| Output 1 | 12 V / 2 A |
| Output 2 | 3.3 V / 0.2 A |
| IC revision | B |
Description
The PMP9638 reference design uses the UCC28740 Flyback with resonant-ring valley-switching controller to generate dual DC output 12V/2A and 3.3V/0.5A from a universal AC input. This design minimize switching loss in FET to provide high efficiency. The current regulation feature of the UCC28740 provides accurate current limit protection.
Features
- Universal input 85 -264VAC
- Dual outputs
- Output constant voltage and constant current mode hold up time for outputs
- Lower Switching loss
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | VOut2 (V) | IOut2 (A) | Vaux (V) | fswitch (kHz) | L (µH) | NPRI : NSEC : NAUX | ISAT (A) | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750314727 | 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 | 2 | 3.3 | 0.5 | 18 | 100 | 250 | 20:3.5:1:5.5 | 1.8 | 4375 | 22.2 | 26 | 16 | THT | EE20/10/6 | ||
| 7508111114 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | Offline Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | VOut2 (V) | IOut2 (A) | Vaux (V) | fswitch (kHz) | L (µH) | NPRI : NSEC : NAUX | ISAT (A) | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | Samples |
|---|