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Texas Instruments LM5036 | Demoboard PMP40500
54-Vdc input, 12-V 4-A output half-bridge reference design
Overview
| Topology | FlyBuck (Double Buck) |
| Input voltage | 36-75 V |
| Switching frequency | 185-540 kHz |
| Output 1 | 9 V / 0.05 A |
| Output 2 | 9 V / 0.05 A |
| IC revision | E1 |
Description
This 12-V, 42-A output half-bridge reference design is for bus converters in wired networking campus and branch switches. The design features high efficiency and various fault protections (over-current, short-circuit). The guide provides a efficiency comparison using 3kVrms basic and functional isolated gate driver UCC21220D, UCC21220AD, UCC21222D and 5.7-kVrms reinforced isolated gate driver UCC21540D, UCC21540DWK and UCC21541DW.
Features
- Peak efficiency up to 94.62%
- Lower system cost through integrating 100-V auxiliary bias converter
- Enhanced cycle-by-cycle current limit with pulse matching
- Fully regulated pre-biased start-up
Typical applications
- Industrial power supplies and factory automation / Test, measurement equipment
- Bus converters in wired networking campus and branch switches
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | VIN | VOut1 (V) | IOut1 (A) | Vbuck (V) | L (µH) | NPRI : NSEC | LS (µH) | VT (V (AC)) | fswitch (kHz) | Mount | L (mm) | W (mm) | H (mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750344207 | SPEC | 8 files | WE-IBTI Isolated Buck Transformers | 36 - 75 V (DC) | 9 | 0.05 | 9 | 150 | 1:1 | 3.4 | 3000 | 600 | SMT | 12.4 | 13.8 | 13.6 |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | VIN | VOut1 (V) | IOut1 (A) | Vbuck (V) | L (µH) | NPRI : NSEC | LS (µH) | VT (V (AC)) | fswitch (kHz) | Mount | L (mm) | W (mm) | H (mm) | Samples |
|---|