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数据： TPS6229x-Q1 1-A Step Down Converter in 2-mm × 2-mm SON Package 数据表
TPS6229x-Q1是一款高效的同步降压型降压转换器，针对汽车低输入电压应用进行了优化，可提供高达1000 mA的输出电流。输入电压范围为2.3 V至6 V，输出电压精度为1.5％，该器件可为各种汽车应用提供动力。
TPS6229x-Q1工作在2.25MHz固定开关频率，进入省电模式工作，在轻负载电流下典型静态电流为15μA，以在整个负载电流范围内保持高效率。
省电模式针对低输出电压纹波进行了优化。对于低噪声应用，可以通过将MODE引脚拉高来强制器件进入固定频率PWM模式。在关断模式下，电流消耗降至1μA以下。 TPS6229x-Q1允许使用小型电感器和电容器来实现小尺寸解决方案。
TPS6229x-Q1采用2 mm×2 mm 6引脚SON封装。
| 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 |
| TPS62290-Q1 | TPS62065-Q1 | TPS62090-Q1 | TPS62097-Q1 | TPS62231-Q1 | TPS622314-Q1 | TPS62242-Q1 | TPS62243-Q1 | TPS62244-Q1 | TPS62260-Q1 | TPS62293-Q1 | TPS62590-Q1 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.3 | 2.9 | 2.5 | 2.5 | 2.05 | 2.05 | 2 | 2 | 2 | 2 | 2.3 | 2.5 |
| 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 0.6 | 0.8 | 0.8 | 0.8 | 1.8 | 1.5 | 1.2 | 1.8 | 1.25 | 0.6 | 1.8 | 0.75 |
| 6 | 6 | 6 | 6 | 1.8 | 1.5 | 1.2 | 1.8 | 1.25 | 6 | 1.8 | 6 |
| 1 | 2 | 3 | 2 | 0.5 | 0.5 | 0.3 | 0.3 | 0.3 | 0.6 | 1 | 1 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2250 | 2600 | 1400 | 1500 | 3000 | 3000 | 2250 | 2250 | 2250 | 2250 | 2250 | 2000 |
| 2250 | 3400 | 2800 | 2500 | 3000 | 3800 | 2250 | 2250 | 2250 | 2250 | 2250 | 2500 |
| 0.015 | 0.018 | 0.02 | 0.04 | 0.022 | 0.022 | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 |
| Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Enable Light Load Efficiency Output Discharge Spread Spectrum Synchronous Rectification | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification Tracking | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Output Discharge Power Good Pre-Bias Start-Up Synchronous Rectification Tracking UVLO Fixed Wettable Flanks Package | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification UVLO Fixed | Enable Light Load Efficiency Over Current Protection Synchronous Rectification UVLO Fixed | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification |
| Voltage Mode | Voltage Mode | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Voltage Mode DCS-Control | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode |
| 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| -40 to 105 -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 105 | -40 to 105 | -40 to 115 | -40 to 125 | -40 to 125 | -40 to 105 -40 to 85 | -40 to 105 | -40 to 105 |
| Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive |
| WSON | WSON | VQFN | VQFN | SON | SON | SOT-23-THIN | SOT-23-THIN | SOT-23-THIN | SOT-23-THIN WSON | WSON | WSON |
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