LT8640EUDC#TRPBF vs LT8645SHV-2#PBF 比較
詳細並排比較 LT8640EUDC#TRPBF 由 Analog Devices 與 LT8645SHV-2#PBF 由 Analog Devices. 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 | LT8640EUDC#TRPBF | LT8645SHV-2#PBF |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 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) | Synchronous Step-Down (Buck) |
| 輸入電壓範圍 | 3.4 V to 42 V | 3.4 V to 65 V |
| 輸出電壓範圍 | 0.97 V to 41.58 V (adjustable) | 0.97 V to 65 V (adjustable) |
| 最大輸出電流 | 5 A | 8 A |
| 輸出數量 | 1 | 1 |
| 切換頻率 | Up to 3 MHz (programmable) | Up to 2.2 MHz |
| 靜態電流 | 2.5 µA (output in regulation, Burst Mode) | 2.5 µA (Burst Mode) |
| Minimum Switch On-Time | 30 ns (top switch) | — |
| Architecture | Silent Switcher (low EMI) | Silent Switcher 2nd generation |
| Mode Selection | Burst Mode / Spread Spectrum / External Sync / Pulse-Skipping / Forced Continuous | — |
| 工作接面溫度 | -40 °C to +125 °C (E grade, design assured over -40 to +125) | -40 °C to +150 °C (HV grade) |
| 封裝 | 20-WFQFN / 18-lead QFN with Exposed Pad (LGA-style UD package) | 32-pin LQFN Exposed Pad |
| 安裝類型 | Surface Mount | Surface Mount |
| MSL 等級 | 1 | — |
| RoHS 狀態 | Compliant (Pb-free) | Compliant |
| Output Polarity | Positive | — |
| Internal Switches | — | Yes (high-side and low-side MOSFETs) |
| Internal Bypass Capacitors | — | Yes (integrated) |
| Lead-Free | — | Yes (#PBF suffix) |