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TPS62746是一款高效降压转换器，具有典型值为360nA的超低静态电流。该器件经优化可搭配2.2μH电感和10μF输出电容正常工作。该器件采用DCS-Control™技术，开关频率典型值为1.2MHz。在节能模式下，该器件可将轻负载效率向下扩展至10μA负载电流及以下.TPS62746提供300mA的输出电流。启动后，该器件可在低至2.0V的输入电压下工作。因此，可直接由单节Li-MnO 2 纽扣电池为器件供电。
TPS62746提供了两个可编程的输出电压（1.2V和1.8V），可通过一个电压选择引脚进行选择.TPS62746经过优化，只需使用一个小型输出电容即可获得低输出电压纹波和低噪声。一旦输入电压接近输出电压，器件便会进入无纹波，在此工作模式下，器件会停止操作并导通高侧MOSFET。
TPS6274 6集成有一个1mA开关，用于将VIN引脚上的电源电压连接至输出VINSW。这一低电流开关可用于将电阻分压器与输入电源断开，通常搭配ADC使用以测量输入电压。 /p>
所有商标均为其各自的商标拥有者。
| Vin (Min) (V) |
| Vin (Max) (V) |
| Vout (Min) (V) |
| Vout (Max) (V) |
| Iout (Max) (A) |
| Regulated Outputs (#) |
| Switching Frequency (Min) (kHz) |
| Switching Frequency (Max) (kHz) |
| Iq (Typ) (mA) |
| Features |
| Control Mode |
| Duty Cycle (Max) (%) |
| Operating Temperature Range (C) |
| Rating |
| Package Group |
| TPS62746 | TPS62125 | TPS62175 | TPS62230 | TPS62671 | TPS62740 | TPS62742 | TPS62745 | TPS62748 | TPS62821 |
|---|---|---|---|---|---|---|---|---|---|
| 2 | 3 | 4.7 | 2.05 | 2.3 | 2.2 | 3 | 3.3 | 2.15 | 2.4 |
| 5.5 | 17 | 28 | 6 | 4.8 | 5.5 | 5.5 | 10 | 5.5 | 5.5 |
| 1.2 | 1.2 | 1 | 2.5 | 1.8 | 1.8 | 1.8 | 1.8 | 1.2 | 0.6 |
| 3.3 | 10 | 6 | 2.5 | 1.8 | 3.3 | 3.3 | 3.3 | 1.8 | 4 |
| 0.3 | 0.3 | 0.5 | 0.5 | 0.5 | 0.3 | 0.4 | 0.3 | 0.3 | 1 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1200 | 1000 | 1000 | 2000 | 5400 | 2000 | 2000 | 2500 | 1200 | 2200 |
| 1200 | 1000 | 1000 | 3000 | 6600 | 2000 | 2000 | 2500 | 1200 | 2200 |
| 0.0003 | 0.013 | 0.0048 | 0.022 | 0.017 | 0.0003 | 0.0003 | 0.0004 | 0.00036 | 0.004 |
| Dynamic Voltage Scaling Enable Light Load Efficiency Output Discharge Synchronous Rectification | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification UVLO Adjustable | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Spread Spectrum Synchronous Rectification | Dynamic Voltage Scaling Enable Light Load Efficiency Output Discharge Synchronous Rectification | Dynamic Voltage Scaling Light Load Efficiency Output Discharge Power Good Synchronous Rectification | Dynamic Voltage Scaling Enable Light Load Efficiency Output Discharge Synchronous Rectification | Load Disconnect | Enable Light Load Efficiency Output Discharge Over Current Protection Power Good Pre-Bias Start-Up Synchronous Rectification |
| Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Voltage Mode | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control |
| 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| -40 to 85 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 |
| Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| DSBGA | WSON | WSON | SON | DSBGA | WSON | WSON | WSON | DSBGA | VSON-HR |
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