L7987LTR vs L7987 比較
詳細並排比較 L7987LTR 由 STMicroelectronics 與 L7987 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 | L7987LTR | L7987 |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 類別 | DC-DC Converters | DC-DC Converters |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 功能 | Step-Down (Buck) Switching Regulator | — |
| Output Current | 3 A | — |
| 輸入電壓範圍 | 4.5 V to 61 V | 4.5 V to 61 V |
| 輸出電壓範圍 | 0.6 V to VIN | 0.8 V to VIN (adjustable) |
| 切換頻率 | 250 kHz to 1 MHz (programmable) | 250 kHz (typ), adjustable 250 kHz to 1500 kHz |
| 靜態電流 | 1.3 mA (typical) | [DATA_NEEDED: Iq] |
| 參考電壓 | 0.6 V (typical) | — |
| Duty Cycle | Up to 100% | Up to 100% (fail-safe mode) |
| 效率 | Up to 90% (typical) | Up to ~90% (application dependent) |
| 工作溫度 | -40°C to +150°C (junction) | — |
| 封裝 | HTSSOP-16 (exposed pad) | 16-TSSOP (HTSSOP) with exposed pad |
| 安裝類型 | Surface Mount | Surface Mount |
| 熱阻，接面至環境 | 40°C/W | — |
| RoHS 狀態 | Compliant | Compliant |
| Control Architecture | Current Mode | — |
| Power-Good Flag | Yes | — |
| Internal Compensation | Yes | — |
| 拓撲 | — | Step-down (buck), asynchronous |
| 最大輸出電流 | — | 3 A |
| Synchronization Range | — | 250 kHz to 1500 kHz (external clock on SYNCH) |
| Control Method | — | Peak current mode |
| 電流限制 | — | Adjustable |
| 工作溫度範圍 | — | [DATA_NEEDED: industrial / extended] |
| Package Body Size | — | 0.173" (4.40 mm) width |
| Embedded Switchover | — | Yes (VBIAS pin) |
| Synchronization Pin | — | Yes (SYNCH) |
| MSL 等級 | — | [DATA_NEEDED: MSL rating] |