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