ST1S41PUR vs ST1S40PUR 比較
詳細並排比較 ST1S41PUR 由 STMicroelectronics 與 ST1S40PUR 由 STMicroelectronics. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
STMicroelectronics
ST1S40PUR - 3A, 4V to 18V Step-Down Converter | STMicroelectronics
ST1S40PUR ✓ 啟用中規格比較
| 參數 | ST1S41PUR | ST1S40PUR |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 類別 | DC-DC Converters | DC-DC Converters |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 拓撲 | Synchronous Buck (Step-Down) DC-DC Converter | — |
| 輸入電壓範圍 | 4.0 V to 18 V | 4 V to 18 V |
| 輸出電壓範圍 | 0.8 V to VIN (adjustable) | 0.8 V to VIN |
| 最大輸出電流 | 4 A continuous | 3 A |
| 切換頻率 | 850 kHz nominal (700 kHz to 1 MHz adjustable) | 1.5 MHz |
| High-Side Switch Rds(on) | 95 mΩ | — |
| Low-Side Switch Rds(on) | 69 mΩ (synchronous rectifier) | — |
| Control Method | Peak Current-Mode PWM with Internal Compensation | — |
| Peak Efficiency | Up to 90% | — |
| 靜態電流 | 1.5 mA typical | 1.5 mA |
| 軟啟動 | Internal | — |
| Protection Features | Overcurrent, Thermal Shutdown, Cycle-by-Cycle Current Limit | — |
| 工作溫度範圍 | -40 °C to +125 °C junction | — |
| 封裝 | VFQFPN-8 (3x3 mm) with exposed thermal pad | DFN6 (3x3 mm) |
| 安裝類型 | Surface Mount | Surface Mount |
| MSL 等級 | 1 | 1 (unlimited) |
| RoHS 狀態 | Compliant | Compliant |
| 輸出類型 | — | Adjustable |
| 效率 | — | 90% (typical) |
| 關機電流 | — | 1 uA (max) |
| 熱阻 | — | 45 C/W |
| 工作溫度 | — | -40C to +150C |
| 致能腳位 | — | Yes (active-high) |