LT8645SIV#PBF vs LT8645SEV-2 对比
详细并排对比 LT8645SIV#PBF 出自 Analog Devices 和 LT8645SEV-2 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 | LT8645SIV#PBF | LT8645SEV-2 |
|---|---|---|
| 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） | $0.00 | $6.20 |
| Regulator Topology | Synchronous step-down buck regulator | — |
| 输入电压范围 | 3.4V to 65V | 3.4 V to 65 V |
| 最大输出电流 | 8A | 8 A continuous |
| Minimum Adjustable Output Voltage | 0.97V | — |
| 输出配置 | Single positive adjustable output | — |
| 开关频率 | 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 | — |
| 封装 | 32-lead TQFN exposed pad | 32-TFQFN Exposed Pad (LQFN-32, 5x6 mm) |
| Package Footprint | 6mm x 4mm QFN-class footprint | — |
| 安装类型 | Surface mount | Surface Mount |
| 工作温度范围 | -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] | — |
| 拓扑 | — | Synchronous Step-Down (Buck) |
| 输出电压范围 | — | 0.97 V to VIN (adjustable) |
| 静态电流 | — | 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 等级 | — | [DATA_NEEDED: MSL level] |
| RoHS 状态 | — | Compliant (per #PBF suffix) |