ST1S03PUR vs RT8077GQW 比較
詳細並排比較 ST1S03PUR 由 STMicroelectronics 與 RT8077GQW 由 Richtek. 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。
規格比較
| 參數 | ST1S03PUR | RT8077GQW |
|---|---|---|
| 品牌 | STMicroelectronics | Richtek |
| 類別 | DC-DC Converters | DC-DC Converters |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 拓撲 | Step-down (buck) DC-DC converter | Synchronous Buck (Step-Down) |
| Control Scheme | Current-mode PWM | — |
| 切換頻率 | 1.5 MHz (typical) | Up to 2 MHz (programmable, resistor-set) |
| 輸入電壓範圍 | 3 V to 16 V | 2.6 V to 5.5 V |
| 輸出電壓範圍 | 0.8 V to VIN (adjustable) | 0.8 V to 5 V (adjustable) |
| 最大輸出電流 | 1.5 A | — |
| DC Output Voltage Tolerance | 2 % | — |
| Internal Soft-Start | 50 us to 100 us power-on delay | — |
| Typical Efficiency | > 70 % | — |
| Quiescent Current (not switching) | [DATA_NEEDED: quiescent current value] | — |
| 工作溫度範圍 | -40 C to +125 C | — |
| 封裝 | DFN-6 (3x3 mm) with exposed pad | 8-WDFN Exposed Pad (WDFN-8 2x2 mm) |
| 安裝類型 | Surface Mount | Surface Mount |
| MSL 等級 | [DATA_NEEDED: MSL rating] | 1 |
| RoHS 狀態 | Compliant | Compliant |
| Output Current | — | 2 A continuous |
| Maximum Duty Cycle | — | 100% (low-dropout operation) |
| Control Architecture | — | Peak current-mode with internal compensation |
| Internal Switches | — | Synchronous low-Rdson MOSFETs (no Schottky required) |
| 軟啟動 | — | Internal |
| 電流限制 | — | Cycle-by-cycle |
| Thermal Protection | — | Thermal shutdown |
| 工作溫度 | — | -40 °C to +85 °C (TA) |