ST1S10PHR vs L7987LTR 比較
詳細並排比較 ST1S10PHR 由 STMicroelectronics 與 L7987LTR 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
ST1S10PHR - 3A, 18V Synchronous Step-Down Converter | STMicroelectronics
ST1S10PHR ✓ 啟用中STMicroelectronics
L7987LTR - 3A 61V Step-Down Switching Regulator | STMicroelectronics
L7987LTR ✓ 啟用中規格比較
| 參數 | ST1S10PHR | L7987LTR |
|---|---|---|
| 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 Step-Down (Buck) | — |
| 輸入電壓範圍 | 2.5 V to 18 V | 4.5 V to 61 V |
| 輸出電壓範圍 | 0.8 V to 0.85 x VIN (adjustable) | 0.6 V to VIN |
| 最大輸出電流 | 3 A | — |
| 切換頻率 | 900 kHz fixed (400 kHz to 1.2 MHz with external sync) | 250 kHz to 1 MHz (programmable) |
| Control Mode | Peak Current-Mode PWM | — |
| High-Side MOSFET RDS(on) | [DATA_NEEDED: RDS(on) high-side typical value] | — |
| Low-Side MOSFET RDS(on) | [DATA_NEEDED: RDS(on) low-side typical value] | — |
| Typical Quiescent Current | 1.5 mA | — |
| 效率 | Up to 90 % at full load | Up to 90% (typical) |
| 回授電壓 | 0.8 V (VFB reference) | — |
| 工作溫度範圍 | -40 °C to +125 °C | — |
| 封裝 | PowerSO-8 (HSOP-8) exposed pad | HTSSOP-16 (exposed pad) |
| 安裝類型 | Surface Mount | Surface Mount |
| MSL 等級 | 3 (per JEDEC J-STD-020) | — |
| Synchronization Input | Yes (SYNC/INH pin, 400 kHz to 1.2 MHz) | — |
| Protection Features | Cycle-by-cycle current limit, thermal shutdown, internal soft-start | — |
| RoHS 狀態 | Compliant | Compliant |
| 功能 | — | Step-Down (Buck) Switching Regulator |
| Output Current | — | 3 A |
| 靜態電流 | — | 1.3 mA (typical) |
| 參考電壓 | — | 0.6 V (typical) |
| Duty Cycle | — | Up to 100% |
| 工作溫度 | — | -40°C to +150°C (junction) |
| 熱阻，接面至環境 | — | 40°C/W |
| Control Architecture | — | Current Mode |
| Power-Good Flag | — | Yes |
| Internal Compensation | — | Yes |