ST1S12GR vs TPS54331DR 对比
详细并排对比 ST1S12GR 出自 STMicroelectronics 和 TPS54331DR 出自 Texas Instruments。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。
STMicroelectronics
ST1S12GR - 3A, 18V Synchronous Step-Down Regulator | STMicroelectronics
ST1S12GR ✓ 量产中
规格对比
| 参数 | ST1S12GR | TPS54331DR |
|---|---|---|
| 品牌 | STMicroelectronics | Texas Instruments |
| 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） | $0.75 | $0.85 |
| 输出类型 | Adjustable | — |
| 输出电压范围 | 0.8 V to VIN | 0.8 V to 25 V (adjustable) |
| 最大输出电流 | 3 A | 3 A |
| 输入电压范围 | 4.5 V to 18 V | 3.5 V to 28 V |
| 开关频率 | 1.5 MHz | 570 kHz (fixed) |
| 效率 | Up to 95% | — |
| 同步整流 | Yes | — |
| Control Architecture | Current Mode | — |
| 软启动 | Internal | Adjustable via SS/TR pin |
| 过流保护 | Yes | — |
| 热关断 | Yes | — |
| 工作温度 | -40C to +150C | -40C to +125C (ambient); -40C to +150C (TJ) |
| 封装 | SOT-23-6 (TSOT-6) | 8-SOIC (0.154 in, 3.90 mm width), D |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| 拓扑 | — | Non-synchronous Buck (Step-Down) |
| Control Method | — | Current mode with internal slope compensation |
| Light Load Feature | — | Eco-mode pulse skipping |
| Shutdown Supply Current | — | 1 uA |
| High-Side MOSFET | — | Integrated, low RDS(on) |
| Protection Features | — | Overcurrent (cycle-by-cycle), thermal shutdown |
| 输出数量 | — | 1 |