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Texas Instruments UCC2897A | Demoboard PMP7294
18Vdc-36Vdc Input, 28V/100W Active Clamp Forward (ACTIVE) PMP7294
Overview
| Topology | Forward Converter |
| Input voltage | 18-36 V |
| Output 1 | 28 V / 3.6 A |
| IC revision | B |
Description
This reference design uses the UCC2897A active clamp controller to generate an isolated 28V/3.6A output from a standard 24Vdc telecom input. This design uses diode rectification on the output stage and achieves efficiencies up to 93%. The output is adjustable down to 24V by changing a single resistor value.
Features
- 18-36V Input, 28V/3.6A Output
- Standard 24Vdc telecom input range
- Efficiency up to 93%
- Diode Rectification
- Adjustable Output as low as 24V
- Active Clamp Forward Topology, featuring UCC2897A Controller
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | Material | LR (µH) | L (µH) | n | IR (A) | ∫Udt (µVs) | VT (V (AC)) | RDC 1 (mΩ) | RDC 2 (Ω) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7443321000 | SPEC | 8 files | WE-HCC SMT High Current Cube Inductor | 9.6 | 9.1 | 11.3 | 16.7 | Ferrite | 7.5 | 10 | – | 9 | – | – | – | – | ||
 | 7443634700 | SPEC | 8 files | WE-HCF SMT High Current Inductor | 12.8 | 7.5 | 8.5 | 13.42 | MnZn | 12.45 | 47 | – | – | – | – | – | – | ||
 | 749251100 | SPEC | – | 8 files | WE-CST Current Sense Transformer | – | – | – | – | – | – | 2000 | 1:100 | 20 | 50 | 500 | 0.75 | 5.5 | |
| 750312917 | SPEC | – | – | Flyback Transformer WE-FW | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7443321000 | SPEC | |
| 7443634700 | SPEC | |
| 749251100 | SPEC | – |
| 750312917 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | Material | LR (µH) | L (µH) | n | IR (A) | ∫Udt (µVs) | VT (V (AC)) | RDC 1 (mΩ) | RDC 2 (Ω) | Samples |
|---|