TPS54331DR vs SP7650EB 对比
详细并排对比 TPS54331DR 出自 Texas Instruments 和 SP7650EB 出自 MaxLinear。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 | TPS54331DR | SP7650EB |
|---|---|---|
| 品牌 | Texas Instruments | MaxLinear |
| 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 | $71.00 |
| 拓扑 | Non-synchronous Buck (Step-Down) | Synchronous Buck (step-down) |
| 输入电压范围 | 3.5 V to 28 V | 2.5 V to 28 V |
| 输出电压范围 | 0.8 V to 25 V (adjustable) | 0.8 V minimum (adjustable) |
| 最大输出电流 | 3 A | 3 A |
| 开关频率 | 570 kHz (fixed) | 300 kHz |
| 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) | — |
| 封装 | 8-SOIC (0.154 in, 3.90 mm width), D | — |
| 安装类型 | Surface Mount | — |
| 输出数量 | 1 | — |
| RoHS 状态 | Compliant | — |
| Product Type | — | Evaluation Board for Buck Regulator Controller |
| Supported Regulator MPN | — | SP7650 (synchronous buck controller) |
| Power Switch Type | — | Built-in low RDS(ON) MOSFETs |
| UVLO Detection | — | Both VCC and VIN rails |
| Controller Supply (VCC) | — | 5 V (separate from main VIN) |
| Maximum Operating Temperature | — | +85 C |
| Minimum Operating Temperature | — | 0 C |
| Board Function | — | Easy evaluation: 12V input to 3A output synchronous buck |
| Manufacturer | — | MaxLinear (formerly Exar / Sipex) |
| Datasheet Pages | — | 16 pages (evaluation board manual per alldatasheet) |