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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 | Status | Product series | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | Material | LR(µH) | fres(MHz) | Wire Type | L(µH) | n | IR(A) | ∫Udt(µVs) | VT(V (AC)) | RDC 1(mΩ) | RDC 2(Ω) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCC SMT High Current Cube Inductor, 9.6 A, 9.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCC SMT High Current Cube Inductor | Performance Rated Current9.6 A | Saturation Current @ 10%9.1 A | Saturation Current @ 30%11.3 A | DC Resistance16.7 mΩ | MaterialFerrite | Rated Inductance7.5 µH | Self Resonant Frequency29 MHz | – | Inductance10 µH | – | Rated Current9 A | – | – | – | – | ||||
 | WE-HCF SMT High Current Inductor, 12.8 A, 7.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCF SMT High Current Inductor | Performance Rated Current12.8 A | Saturation Current @ 10%7.5 A | Saturation Current @ 30%8.5 A | DC Resistance13.42 mΩ | MaterialMnZn | Rated Inductance12.45 µH | Self Resonant Frequency10 MHz | Wire TypeFlat | Inductance47 µH | – | Rated Current12 A | – | – | – | – | ||||
 | WE-CST Current Sense Transformer, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CST Current Sense Transformer | – | – | – | – | – | – | – | – | Inductance2000 µH | Turns Ratio1:100 | Rated Current20 A | Voltage-µSecond50 µVs | Insulation Test Voltage500 V (AC) | DC Resistance 10.75 mΩ | DC Resistance 25.5 Ω | |||
750312917 | Flyback Transformer WE-FW, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Flyback Transformer WE-FW | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |