TPS62745DSSR vs TPS62840DLCR 对比
详细并排对比 TPS62745DSSR 出自 Texas Instruments 和 TPS62840DLCR 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。
Texas Instruments
TPS62745DSSR - 300mA Ultra-Low IQ Step-Down Converter | Texas Instruments
TPS62745DSSR ✓ 量产中
规格对比
| 参数 | TPS62745DSSR | TPS62840DLCR |
|---|---|---|
| 品牌 | Texas Instruments | 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） | $1.02 | $1.21 |
| 拓扑 | Synchronous Buck (Step-Down) | Synchronous Step-Down (Buck) Converter |
| 输入电压范围 | 3.3 V to 10 V | 1.8 V to 6.5 V |
| 输出电压范围 | 1.8 V to 3.3 V (programmable via VSEL) | Adjustable (0.8 V to V_IN) |
| 最大输出电流 | 300 mA | 750 mA |
| Quiescent Current (Iq) | 360 nA typical | — |
| 开关频率 | 2.5 MHz typical | — |
| Control Topology | DCS-Control (Direct Control with Seamless transition) | DCS-Control (voltage-mode + current-mode) |
| 输出类型 | Programmable | — |
| 输出数量 | 1 | — |
| 封装 | 12-pin WSON (DSS) with exposed pad | 8-pin VFDFN (DLC), 3.0 x 3.0 mm |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度范围 | -40 C to +125 C | — |
| MSL 等级 | [DATA_NEEDED: MSL level] | [DATA_NEEDED: MSL rating] |
| RoHS 状态 | Compliant | Compliant |
| VSEL Pin | Yes (dynamic output voltage selection) | — |
| 电源正常输出 | Yes | — |
| Typical Quiescent Current | — | 60 nA |
| Quiescent Current (100% Mode) | — | 120 nA |
| Nominal Switching Frequency | — | 1.8 MHz |
| Efficiency at 1 uA Load (3.6 VIN to 1.8 VOUT) | — | 80% |
| Efficiency at Full Load | — | [DATA_NEEDED: efficiency at 750 mA] |
| 关断电流 | — | [DATA_NEEDED: shutdown IQ] |
| STOP Pin | — | Yes (disables switching) |
| 软启动 | — | Programmable via SS pin capacitor |
| 工作结温 | — | -40C to +125C |