L7987 vs L7987LTR 比較
詳細並排比較 L7987 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
L7987LTR - 3A 61V Step-Down Switching Regulator | STMicroelectronics
L7987LTR ✓ 啟用中規格比較
| 參數 | L7987 | 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 | Step-down (buck), asynchronous | — |
| 輸入電壓範圍 | 4.5 V to 61 V | 4.5 V to 61 V |
| 輸出電壓範圍 | 0.8 V to VIN (adjustable) | 0.6 V to VIN |
| 最大輸出電流 | 3 A | — |
| 切換頻率 | 250 kHz (typ), adjustable 250 kHz to 1500 kHz | 250 kHz to 1 MHz (programmable) |
| Synchronization Range | 250 kHz to 1500 kHz (external clock on SYNCH) | — |
| Duty Cycle | Up to 100% (fail-safe mode) | Up to 100% |
| Control Method | Peak current mode | — |
| 靜態電流 | [DATA_NEEDED: Iq] | 1.3 mA (typical) |
| 效率 | Up to ~90% (application dependent) | Up to 90% (typical) |
| 電流限制 | Adjustable | — |
| 工作溫度範圍 | [DATA_NEEDED: industrial / extended] | — |
| 封裝 | 16-TSSOP (HTSSOP) with exposed pad | HTSSOP-16 (exposed pad) |
| 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] | — |
| 功能 | — | Step-Down (Buck) Switching Regulator |
| Output Current | — | 3 A |
| 參考電壓 | — | 0.6 V (typical) |
| 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 |