PMP8920
採用轉換模式 PFC/LLC 全橋式轉換器的高效率二級通用輸入電源參考設計
PMP8920
概覽
Low EMI, high efficiency, high power factor and reliable power supply are main focus of the PMP8920 design for telecom applications. Transient mode (TM) power factor correction (PFC) with UCC28051 and LLC series resonant converter (SRC) with UCC25600 are applied in PMP8911. In addition, synchronous rectifier (SR) IC UCC24610 is applied to LLC output rectifier stage. Low EMI is expected with zero voltage switching on TM-PFC and LLC-SRC switches. An overall 91% efficiency is achieved at 100W full load. In addition, several protections are embedded into this design which includes input under-voltage protection, input over-voltage protection, output over-voltage protection, and output hic-cup over-power protection.
| 輸出電壓選項 | PMP8920.1 |
|---|---|
| Vin (最小值) (V) | 85 |
| Vin (最大值) (V) | 265 |
| Vout (Nom) (V) | 12 |
| Iout (最大) (A) | 9 |
| 輸出功率 (W) | 108 |
| 隔離式/非隔離式 | Isolated |
| 輸入類型 | AC |
| 拓撲結構 | Boost- PFC^Flyback- DCM^Half Bridge- Resonant |
已開發完全組裝的電路板，僅供測試與性能驗證，且為非賣品。
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技術文件
| 類型 | 標題 | 下載最新的英文版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | 測試報告 | PMP8920 Test Results | 2013/8/9 |