LT8645SEV-2 vs LT8645SIV#PBF 对比
详细并排对比 LT8645SEV-2 出自 Analog Devices 和 LT8645SIV#PBF 出自 Analog Devices。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | LT8645SEV-2 | LT8645SIV#PBF |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | DC-DC Converters | DC-DC Converters |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $6.20 | $0.00 |
| 拓扑 | Synchronous Step-Down (Buck) | — |
| Architecture | Silent Switcher (2nd generation) | Second-generation Silent Switcher 2 |
| 输入电压范围 | 3.4 V to 65 V | 3.4V to 65V |
| 输出电压范围 | 0.97 V to VIN (adjustable) | — |
| 最大输出电流 | 8 A continuous | 8A |
| 静态电流 | 2.5 µA (no-load, output regulated) | — |
| 开关频率 | 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) | — |
| 工作温度范围 | -40°C to +125°C | -40C to +125C |
| 封装 | 32-TFQFN Exposed Pad (LQFN-32, 5x6 mm) | 32-lead TQFN exposed pad |
| 安装类型 | Surface Mount | Surface mount |
| PGOOD / SYNC | Power-good flag and synchronization input | — |
| MSL 等级 | [DATA_NEEDED: MSL level] | — |
| RoHS 状态 | Compliant (per #PBF suffix) | — |
| Regulator Topology | — | Synchronous step-down buck regulator |
| Minimum Adjustable Output Voltage | — | 0.97V |
| 输出配置 | — | 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] |