LT8645SIV#PBF vs LT8645SEV-2 比較
詳細並排比較 LT8645SIV#PBF 由 Analog Devices 與 LT8645SEV-2 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 | LT8645SIV#PBF | LT8645SEV-2 |
|---|---|---|
| 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 |
| Regulator Topology | Synchronous step-down buck regulator | — |
| 輸入電壓範圍 | 3.4V to 65V | 3.4 V to 65 V |
| 最大輸出電流 | 8A | 8 A continuous |
| Minimum Adjustable Output Voltage | 0.97V | — |
| 輸出配置 | Single positive adjustable output | — |
| 切換頻率 | 1.95MHz | Programmable ~200 kHz to 2.2 MHz |
| Architecture | Second-generation Silent Switcher 2 | Silent Switcher (2nd generation) |
| Integrated Bypass Capability | Yes, integrated bypass capacitor | — |
| 封裝 | 32-lead TQFN exposed pad | 32-TFQFN Exposed Pad (LQFN-32, 5x6 mm) |
| Package Footprint | 6mm x 4mm QFN-class footprint | — |
| 安裝類型 | Surface mount | Surface Mount |
| 工作溫度範圍 | -40C to +125C | -40°C to +125°C |
| 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] | — |
| 拓撲 | — | Synchronous Step-Down (Buck) |
| 輸出電壓範圍 | — | 0.97 V to VIN (adjustable) |
| 靜態電流 | — | 2.5 µA (no-load, output regulated) |
| 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) |
| PGOOD / SYNC | — | Power-good flag and synchronization input |
| MSL 等級 | — | [DATA_NEEDED: MSL level] |
| RoHS 狀態 | — | Compliant (per #PBF suffix) |