MP2451DJ-LF-P vs MP2451DJ-LF-Z 对比
详细并排对比 MP2451DJ-LF-P 出自 Monolithic Power Systems 和 MP2451DJ-LF-Z 出自 Monolithic Power Systems。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。
Monolithic Power Systems
MP2451DJ-LF-P - 600mA, 36V, 2MHz Step-Down Converter | MPS
MP2451DJ-LF-P ✓ 量产中Monolithic Power Systems
MP2451DJ-LF-Z - 36V, 2MHz, 0.6A Step-Down Converter | MPS
MP2451DJ-LF-Z ✓ 量产中规格对比
| 参数 | MP2451DJ-LF-P | MP2451DJ-LF-Z |
|---|---|---|
| 品牌 | Monolithic Power Systems | Monolithic Power Systems |
| 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） | $0.42 | $0.30 |
| 拓扑 | Buck (Step-Down) Switching Regulator | Step-Down (Buck) Switching Regulator |
| 输入电压范围 | 3.3 V to 36 V | 3.3 V to 36 V |
| Absolute Maximum VIN | 38 V | — |
| 输出电压范围 | 0.8 V to VIN (adjustable) | 0.8 V to (VIN - 1 V) adjustable |
| Output Current | 600 mA continuous | — |
| 开关频率 | 2 MHz typical | 2 MHz (fixed) |
| Quiescent Current (Shutdown) | 1 uA | 3 µA (typical) |
| Control Method | Current-mode PWM | — |
| MOSFET | Internal high-side | — |
| 同步整流器 | No (non-sync, external diode) | — |
| 工作温度范围 | -40 C to +125 C (junction) | -40 °C to +125 °C [DATA_NEEDED: confirm junction vs ambient boundary in datasheet] |
| 封装 | SOT-23-6 Thin (TSOT-23-6) | TSOT-23-6 (Thin SOT-23-6) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | [DATA_NEEDED: MSL rating] | [DATA_NEEDED: MSL rating from datasheet] |
| RoHS 状态 | Compliant (LF suffix) | Compliant (LF-Z suffix indicates lead-free) |
| Lead-Free Finish | Yes (LF suffix) | — |
| Enable / Shutdown | Yes | — |
| 软启动 | Internal | Internal (programmed by BST cap) |
| Protection Features | Over-current, thermal shutdown | — |
| Output Current (Continuous) | — | 0.6 A (typical) |
| Switching Control | — | Current-mode PWM |
| Internal MOSFET | — | Integrated high-side high-voltage MOSFET |
| Efficiency (VIN=12V, VOUT=5V, 0.6A) | — | [DATA_NEEDED: efficiency figure at this condition - datasheet figure] |
| Protections | — | OCP, OVP, Thermal Shutdown, UVLO [DATA_NEEDED: confirm exact thresholds] |