LT8645SEV-2 vs LT8645SIV#PBF 比較
詳細並排比較 LT8645SEV-2 由 Analog Devices 與 LT8645SIV#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 | LT8645SEV-2 | LT8645SIV#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 Step-Down (Buck) | — |
| Architecture | Silent Switcher (2nd generation) | Second-generation Silent Switcher 2 |
| 輸入電壓範圍 | 3.4 V to 65 V | 3.4V to 65V |
| 輸出電壓範圍 | 0.97 V to VIN (adjustable) | — |
| 最大輸出電流 | 8 A continuous | 8A |
| 靜態電流 | 2.5 µA (no-load, output regulated) | — |
| 切換頻率 | Programmable ~200 kHz to 2.2 MHz | 1.95MHz |
| Minimum On-Time | Approx. 30 ns | — |
| Peak Efficiency | >92% (typ. at 12V→5V) | — |
| Internal Switches | Integrated high-side + low-side MOSFETs | — |
| Internal Bypass Capacitors | Yes (EMI reduction) | — |
| 工作溫度範圍 | -40°C to +125°C | -40C to +125C |
| 封裝 | 32-TFQFN Exposed Pad (LQFN-32, 5x6 mm) | 32-lead TQFN exposed pad |
| 安裝類型 | Surface Mount | Surface mount |
| PGOOD / SYNC | Power-good flag and synchronization input | — |
| MSL 等級 | [DATA_NEEDED: MSL level] | — |
| RoHS 狀態 | Compliant (per #PBF suffix) | — |
| Regulator Topology | — | Synchronous step-down buck regulator |
| Minimum Adjustable Output Voltage | — | 0.97V |
| 輸出配置 | — | Single positive adjustable output |
| Integrated Bypass Capability | — | Yes, integrated bypass capacitor |
| Package Footprint | — | 6mm x 4mm QFN-class footprint |
| RoHS Compliance | — | Compliant for PBF-terminated versions |
| WEEE Compliance | — | Compliant for PBF-terminated versions |
| Automotive Controlled Manufacturing | — | Available in #W-suffix versions |
| Switching Node | — | SW |
| Topside Marking | — | [DATA_NEEDED: package top marking] |
| Tolerances | — | [DATA_NEEDED: output-voltage and current tolerances] |