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數據: TPS544x20 4.5V 至 18V,20A 和 30A SWIFT 同步降壓控制器(具有 PMBus 數據表 (Rev. B)
TPS544B20和TPS544C20器件是PMBus兼容型非隔離式直流/直流集成式FET轉換器,支持高頻運行并提供20A或30A電流輸出,采用5mm×7mm封裝,可實現高功率密度和快速瞬態性能,具有最小的PCB面積.PMBus接口用于轉換器配置,并且監視關鍵參數,其中包括輸出電壓,電流和一個可選外部溫度。集成NexFET功率級和經優化驅動器提供的高頻,低損耗開關可實現極高密度電源解決方案以及減小的電感器和濾波電容器尺寸。根據系統要求,對故障情況的響應可被設定為重新啟動或鎖斷。
所有商標ar e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 |
| ? |
| TPS544B20 | TPS544B25 | TPS544C20 | TPS544C25 |
|---|---|---|---|
| 4.5 ? ? | 4.5 ? ? | 4.5 ? ? | 4.5 ? ? |
| 18 ? ? | 18 ? ? | 18 ? ? | 18 ? ? |
| 0.6 ? ? | 0.5 ? ? | 0.6 ? ? | 0.5 ? ? |
| 5.5 ? ? | 5.5 ? ? | 5.5 ? ? | 5 ? ? |
| 20 ? ? | 20 ? ? | 30 ? ? | 30 ? ? |
| 1 ? ? | 1 ? ? | 1 ? ? | 1 ? ? |
| 250 ? ? | 200 ? ? | 250 ? ? | 200 ? ? |
| 1000 ? ? | 1000 ? ? | 1000 ? ? | 1000 ? ? |
| 8 ? ? | 9.5 ? ? | 8 ? ? | 7.7 ? ? |
| 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 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 ? ? |
| D-CAP D-CAP2 ? ? | Voltage Mode ? ? | D-CAP D-CAP2 ? ? | Voltage Mode ? ? |
| 80 ? ? | 80 ? ? | 80 ? ? | 80 ? ? |
| -40 to 85 ? ? | -40 to 125 ? ? | -40 to 85 ? ? | -40 to 125 ? ? |
| Catalog ? ? | Catalog ? ? | Catalog ? ? | Catalog ? ? |
| LQFN-CLIP ? ? | LQFN-CLIP ? ? | LQFN-CLIP ? ? | LQFN-CLIP ? ? |