L7987 vs L7985TR 比較
詳細並排比較 L7987 由 STMicroelectronics 與 L7985TR 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 | L7987 | L7985TR |
|---|---|---|
| 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 | Step-down (buck), asynchronous | — |
| 輸入電壓範圍 | 4.5 V to 61 V | 4.5 V to 38 V |
| 輸出電壓範圍 | 0.8 V to VIN (adjustable) | 0.6 V to 38 V |
| 最大輸出電流 | 3 A | 2 A |
| 切換頻率 | 250 kHz (typ), adjustable 250 kHz to 1500 kHz | 250 kHz |
| Synchronization Range | 250 kHz to 1500 kHz (external clock on SYNCH) | — |
| Duty Cycle | Up to 100% (fail-safe mode) | — |
| Control Method | Peak current mode | — |
| 靜態電流 | [DATA_NEEDED: Iq] | 2.5 mA |
| 效率 | Up to ~90% (application dependent) | >85% at full load |
| 電流限制 | Adjustable | — |
| 工作溫度範圍 | [DATA_NEEDED: industrial / extended] | — |
| 封裝 | 16-TSSOP (HTSSOP) with exposed pad | HSOP-8 |
| Package Body Size | 0.173" (4.40 mm) width | — |
| 安裝類型 | Surface Mount | Surface Mount |
| RoHS 狀態 | Compliant | Compliant |
| Embedded Switchover | Yes (VBIAS pin) | — |
| Synchronization Pin | Yes (SYNCH) | — |
| MSL 等級 | [DATA_NEEDED: MSL rating] | — |
| 輸出類型 | — | Adjustable |
| Internal Power MOSFET | — | Yes, 3A peak current |
| Control Architecture | — | Current-mode |
| 軟啟動 | — | Built-in |
| 過熱關機 | — | Yes |
| 工作溫度 | — | -40°C to +150°C |