TPS62177DQCT vs TPS62745DSSR 对比
详细并排对比 TPS62177DQCT 出自 Texas Instruments 和 TPS62745DSSR 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 | TPS62177DQCT | TPS62745DSSR |
|---|---|---|
| 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） | $1.55 | $1.02 |
| 功能 | Synchronous Buck (Step-Down) DC-DC Converter | — |
| 拓扑 | DCS-Control (TI proprietary) | Synchronous Buck (Step-Down) |
| 输入电压范围 | 4.75 V to 28 V | 3.3 V to 10 V |
| Output Voltage (Fixed) | 3.3 V | — |
| Output Current (Continuous) | 500 mA | — |
| 输出电压范围 | Up to 6 V (programmable variants in family) | 1.8 V to 3.3 V (programmable via VSEL) |
| Switching Frequency (Typ.) | 1 MHz | — |
| Quiescent Current (SNOOZE Mode, Typ.) | 4.8 uA | — |
| Duty Cycle (Max) | 100% (low-dropout operation) | — |
| Output Discharge | Active (internal discharge resistor) | — |
| 电源正常输出 | Yes (open-drain) | Yes |
| 工作温度范围 | -40 C to +85 C | -40 C to +125 C |
| 封装 | 10-WFDFN (WSON-10, DQC) Exposed Pad | 12-pin WSON (DSS) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | 2 | [DATA_NEEDED: MSL level] |
| Special Mode | SNOOZE / Sleep Mode for ultra-low Iq | — |
| 最大输出电流 | — | 300 mA |
| Quiescent Current (Iq) | — | 360 nA typical |
| 开关频率 | — | 2.5 MHz typical |
| Control Topology | — | DCS-Control (Direct Control with Seamless transition) |
| 输出类型 | — | Programmable |
| 输出数量 | — | 1 |
| VSEL Pin | — | Yes (dynamic output voltage selection) |