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TPS544x25器件是采用5mm×7mm封裝且符合PMBus 1.2規范的非隔離式直流/直流轉換器,具有集成的FET,能夠在高頻下運行并輸出20A或30A的電流。集成式NexFET?功率級和經優化的驅動器提供的高頻,低損耗開關支持密度極高的電源解決方案.PMBus接口通過VOUT_COMMAND支持AVS功能,同時支持靈活的轉換器配置以及關鍵參數(包括輸出電壓,電流和可選的外部溫度)監控功能。對故障狀況的響應可設置為重新啟動,鎖存或忽略,具體取決于系統要求。
所有商標均為其各自所有者的財產。
| ? |
|---|
| Vin (Min) (V) |
| Vin (Max) (V) |
| Vout (Min) (V) |
| Vout (Max) (V) |
| Iout (Max) (A) |
| Regulated Outputs (#) |
| Switching Frequency (Min) (kHz) |
| Switching Frequency (Max) (kHz) |
| Iq (Typ) (mA) |
| Features |
| Control Mode |
| Duty Cycle (Max) (%) |
| Operating Temperature Range (C) |
| Rating |
| Package Group |
| ? |
| TPS544B25 | TPS544B20 | TPS544C20 | TPS544C25 |
|---|---|---|---|
| 4.5 ? ? | 4.5 ? ? | 4.5 ? ? | 4.5 ? ? |
| 18 ? ? | 18 ? ? | 18 ? ? | 18 ? ? |
| 0.5 ? ? | 0.6 ? ? | 0.6 ? ? | 0.5 ? ? |
| 5.5 ? ? | 5.5 ? ? | 5.5 ? ? | 5 ? ? |
| 20 ? ? | 20 ? ? | 30 ? ? | 30 ? ? |
| 1 ? ? | 1 ? ? | 1 ? ? | 1 ? ? |
| 200 ? ? | 250 ? ? | 250 ? ? | 200 ? ? |
| 1000 ? ? | 1000 ? ? | 1000 ? ? | 1000 ? ? |
| 9.5 ? ? | 8 ? ? | 8 ? ? | 7.7 ? ? |
| Adjustable Current Limit Dynamic Voltage Scaling Enable Frequency Synchronization PMBus Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification UVLO Adjustable Voltage Margining ? ? | Adjustable Current Limit Dynamic Voltage Scaling Enable PMBus Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification UVLO Adjustable Voltage Margining ? ? | Adjustable Current Limit Dynamic Voltage Scaling Enable PMBus Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification UVLO Adjustable Voltage Margining ? ? | Adjustable Current Limit Dynamic Voltage Scaling Enable Frequency Synchronization PMBus Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification Tracking UVLO Adjustable Voltage Margining ? ? |
| Voltage Mode ? ? | D-CAP D-CAP2 ? ? | D-CAP D-CAP2 ? ? | Voltage Mode ? ? |
| 80 ? ? | 80 ? ? | 80 ? ? | 80 ? ? |
| -40 to 125 ? ? | -40 to 85 ? ? | -40 to 85 ? ? | -40 to 125 ? ? |
| Catalog ? ? | Catalog ? ? | Catalog ? ? | Catalog ? ? |
| LQFN-CLIP ? ? | LQFN-CLIP ? ? | LQFN-CLIP ? ? | LQFN-CLIP ? ? |