RT8077GQW vs ST1S03PUR 比較
詳細並排比較 RT8077GQW 由 Richtek 與 ST1S03PUR 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。
規格比較
| 參數 | RT8077GQW | ST1S03PUR |
|---|---|---|
| 品牌 | Richtek | 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) | Step-down (buck) DC-DC converter |
| 輸入電壓範圍 | 2.6 V to 5.5 V | 3 V to 16 V |
| 輸出電壓範圍 | 0.8 V to 5 V (adjustable) | 0.8 V to VIN (adjustable) |
| Output Current | 2 A continuous | — |
| 切換頻率 | Up to 2 MHz (programmable, resistor-set) | 1.5 MHz (typical) |
| 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 | — |
| 封裝 | 8-WDFN Exposed Pad (WDFN-8 2x2 mm) | DFN-6 (3x3 mm) with exposed pad |
| 安裝類型 | Surface Mount | Surface Mount |
| 工作溫度 | -40 °C to +85 °C (TA) | — |
| MSL 等級 | 1 | [DATA_NEEDED: MSL rating] |
| RoHS 狀態 | Compliant | Compliant |
| Control Scheme | — | Current-mode PWM |
| 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 |