LT8646 vs LT8645SEV#PBF 对比
详细并排对比 LT8646 出自 Analog Devices 和 LT8645SEV#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。
Analog Devices
LT8645SEV#PBF - 65V 8A Silent Switcher Buck Regulator | Analog Devices
LT8645SEV#PBF ✓ 量产中规格对比
| 参数 | LT8646 | LT8645SEV#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） | $5.18 | $5.18 |
| 拓扑 | Synchronous Step-Down (Buck) | Synchronous Buck (Step-Down) |
| 输入电压范围 | 3 V to 65 V (65 V abs max) | 3.4 V to 65 V |
| 输出电压范围 | 0.97 V to VIN (adjustable) | 0.97 V to 25 V (adjustable) |
| 最大输出电流 | 8 A continuous | 8 A |
| 静态电流 | 2.5 µA (typical at no load) | Ultra-low (see datasheet for Iq) |
| 开关频率 | 200 kHz to 3 MHz (programmable, synchronisable) | — |
| Architecture | Silent Switcher 2 with internal bypass capacitors | Silent Switcher 2nd generation |
| 效率 | >95 % at 12V to 3.3V/8A | > 95% peak |
| Internal MOSFETs | Yes (high-side and low-side integrated) | — |
| Spread Spectrum | Yes (selectable) | — |
| 软启动 | Internal, programmable | — |
| Output Over-Voltage Protection | Yes (latch-off) | — |
| 热关断 | Yes | — |
| 工作结温 | -40 °C to +125 °C | — |
| 封装 | 32-TFQFN Exposed Pad (5 mm × 6 mm) | 32-pin LQFN EP (5 mm x 6 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant (#PBF suffix) |
| 输出数量 | — | 1 |
| Switching Frequency Range | — | 200 kHz to 2.2 MHz |
| Internal Switches | — | Yes (top + bottom N-channel MOSFETs) |
| 工作温度范围 | — | -40 C to +125 C (automotive grade) |
| MSL 等级 | — | 1 |