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TPS6209X-Q1器件是一款高频同步降压转换器,此转换器针对小解决方案尺寸,高效应用进行了优化并适合于电池供电类应用。为了最大限度地提升效率,此转换器运行在2.8MHz /1.4MHz的标称开关频率的脉宽调制(PWM)模式下并在轻负载时自动进入省电运行模式。用于分布式电源和负载点调制时,此器件允许到其它电源轨的电压跟踪并可耐受范围在10μF到高达150μF甚至更高的输出电容。通过使用DCS-Control控制技术,此器件可实现出色的负载静态性能以及精确的输出电压调节。
此输出电压启动斜波由软启动引脚控制,从而使器件可作为独立电源运行或运行在跟踪配置下。通过配置使能和电源正常引脚也有可能实现电源排序。在省电模式下,此器件运行在典型值为20μA静态电流下。在全部负载电流范围内,自动进入省模式并且无缝保持高效。
所有商标均为其各自所有者的财产。
| 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 |
| TPS62090-Q1 | TPS62065-Q1 | TPS62097-Q1 | TPS62290-Q1 |
|---|---|---|---|
| 2.5 | 2.9 | 2.5 | 2.3 |
| 6 | 6 | 6 | 6 |
| 0.8 | 0.8 | 0.8 | 0.6 |
| 6 | 6 | 6 | 6 |
| 3 | 2 | 2 | 1 |
| 1 | 1 | 1 | 1 |
| 1400 | 2600 | 1500 | 2250 |
| 2800 | 3400 | 2500 | 2250 |
| 0.02 | 0.018 | 0.04 | 0.015 |
| Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification Tracking | Enable Light Load Efficiency Output Discharge Spread Spectrum Synchronous Rectification | 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 |
| Constant on-time (COT) DCS-Control | Voltage Mode | Constant on-time (COT) DCS-Control | Voltage Mode |
| 100 | 100 | 100 | 100 |
| -40 to 125 | -40 to 125 | -40 to 125 | -40 to 105 -40 to 85 |
| Automotive | Automotive | Automotive | Automotive |
| VQFN | WSON | VQFN | WSON |