TIDT382 February 2024
Table 4-1 lists a summary of benefits and trade-offs by topology.
| Topology | Devices | Benefits | Trade-offs |
|---|---|---|---|
Push-Pull Transformer Driver | SN6507-Q1 | • Wide Vin range • Low EMI • Power range up to 7.5W((1)) • Good line regulation by duty control | • Low to moderate efficiency, especially in case of low output current (<50 mA) • Moderate load regulation accuracy |
LLC Transformer Driver, Half-bridge Resonant Converter | UCC25800-Q1 | • High efficiency • Power range up to 9W((1)) • Low CM current • Low EMI | • Low load regulation accuracy • Requirement of pre-regulator and/or post-regulator • Large Transformer size, especially in low switching frequency range |
PSR Flyback DCDC Converter | LM25180-Q1 | • Wide Vin range • High efficiency • Power range up to 15W((1)) • High load & line regulation accuracy | • High EMI • High CMI current |
Integrated Transformer, Magneto-MV, Isolated DCDC Module | UCC14130-Q1 | • No need of external transformer • Robustness to vibration • Small size including low height • High load regulation accuracy • Low CM current | • High EMI • Low efficiency • Requirement of Pre-regulator((2)) |