TPS54331DR vs MP4462DN-LF-Z 对比
详细并排对比 TPS54331DR 出自 Texas Instruments 和 MP4462DN-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
MP4462DN-LF-Z - 3.5A 36V Step-Down Converter | Monolithic Power Systems
MP4462DN-LF-Z ✓ 量产中规格对比
| 参数 | TPS54331DR | MP4462DN-LF-Z |
|---|---|---|
| 品牌 | Texas Instruments | 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） | $0.85 | $1.32 |
| 拓扑 | Non-synchronous Buck (Step-Down) | Step-Down (Buck) Switching Regulator |
| 输入电压范围 | 3.5 V to 28 V | 4.5 V to 36 V (3.8 V UVLO minimum per datasheet) |
| 输出电压范围 | 0.8 V to 25 V (adjustable) | 0.8 V to 30 V (adjustable) |
| 最大输出电流 | 3 A | — |
| 开关频率 | 570 kHz (fixed) | 4 MHz (typ.) |
| Control Method | Current mode with internal slope compensation | Current-Mode PWM |
| Light Load Feature | Eco-mode pulse skipping | — |
| Shutdown Supply Current | 1 uA | — |
| High-Side MOSFET | Integrated, low RDS(on) | — |
| 软启动 | Adjustable via SS/TR pin | — |
| Protection Features | Overcurrent (cycle-by-cycle), thermal shutdown | — |
| 工作温度 | -40C to +125C (ambient); -40C to +150C (TJ) | -40 °C to +85 °C (industrial) |
| 封装 | 8-SOIC (0.154 in, 3.90 mm width), D | SOIC-8 with Exposed Pad (SOIC-8EP, 3.9 mm body width) |
| 安装类型 | Surface Mount | Surface Mount |
| 输出数量 | 1 | — |
| RoHS 状态 | Compliant | Compliant (LF = lead-free suffix) |
| Output Current | — | 3.5 A |
| Internal MOSFET | — | Integrated high-side high-voltage MOSFET |
| 静态电流 | — | 120 µA (operational, typ.) |
| MSL 等级 | — | [DATA_NEEDED: MSL moisture sensitivity level] |
| 软启动 | — | Internal |
| 输出配置 | — | Positive, single adjustable output |
| Efficiency (typ.) | — | >90 % at 12 V input to 5 V/3.3 V output |