NCP3170BDR2G vs TPS54331DR 对比
详细并排对比 NCP3170BDR2G 出自 onsemi 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。
规格对比
| 参数 | NCP3170BDR2G | TPS54331DR |
|---|---|---|
| 品牌 | onsemi | 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） | $1.18 | $0.85 |
| 拓扑 | Synchronous Buck (Step-Down) | Non-synchronous Buck (Step-Down) |
| 输入电压范围 | 4.5 V to 18 V | 3.5 V to 28 V |
| 输出电压范围 | 0.8 V to VIN (adjustable) | 0.8 V to 25 V (adjustable) |
| Continuous Output Current | 3 A | — |
| 基准电压 | 0.8 V (internal) | — |
| 开关频率 | 1 MHz (B suffix) | 570 kHz (fixed) |
| Control Mode | Peak Current-Mode PWM | — |
| Internal Switches | High-side P-MOS + Low-side N-MOS | — |
| 软启动 | Internal | Adjustable via SS/TR pin |
| 电源正常输出 | Yes (open-drain) | — |
| 工作温度范围 | -40 C to +85 C (TA) | — |
| 封装 | 8-SOIC (0.154", 3.90 mm width) | 8-SOIC (0.154 in, 3.90 mm width), D |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 (unlimited floor life at <30 C / 85% RH) | — |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free | Yes | — |
| 最大输出电流 | — | 3 A |
| 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 |
| 工作温度 | — | -40C to +125C (ambient); -40C to +150C (TJ) |
| 输出数量 | — | 1 |