TPS62290

采用 2x2mm SON 封裝的 2.25MHz 1A 降壓轉(zhuǎn)換器; ? 高效率 - 高達(dá) 96% \n? 高達(dá) 1000mA 的輸出電流\n? VIN 范圍為 2.3V 至 6.0V，支持具有擴(kuò)展電壓范圍的鋰離子電池 \n? 2.25MHz 固定頻率運(yùn)行\(zhòng)n? 輕載電流下的省電模式\n? PWM 模式下的輸出電壓精度為 ±1.5%\n? 固定輸出電壓選項(xiàng)\n? 靜態(tài)電流典型值為 15μA \n? 可實(shí)現(xiàn)最低壓降的 100% 占空比\n? 輕載時(shí)的電壓定位\n? 采用 2mm × 2mm × 0.8mm WSON (6) 封裝 (DRV);

TPS6229x 器件是高效的同步降壓直流/直流轉(zhuǎn)換器，經(jīng)優(yōu)化可適用于電池供電的便攜式 應(yīng)用。這些器件采用單塊鋰離子電池提供高達(dá) 1000mA 的輸出電流。 \n\n憑借 2.3V 至 6.0V 的輸入電壓范圍，這些器件支持具有擴(kuò)展電壓范圍的電池，非常適合為便攜式 應(yīng)用 （如手機(jī)和其他便攜式設(shè)備）供電。\n\nTPS6229x 器件在 2.25MHz 的固定開(kāi)關(guān)頻率下運(yùn)行，在輕載電流情況下會(huì)進(jìn)入省電模式，以便在整個(gè)負(fù)載電流范圍內(nèi)保持高效率。 \n\n省電模式經(jīng)過(guò)優(yōu)化，具有低輸出電壓紋波。對(duì)于低噪聲 應(yīng)用，可通過(guò)將 MODE 引腳的電平拉高來(lái)強(qiáng)制這些器件進(jìn)入固定頻率脈寬調(diào)制 (PWM) 模式。在關(guān)斷模式下，流耗減少至 1μA 以下。TPS6229x 器件允許使用小型電感器和電容器，可實(shí)現(xiàn)較小的解決方案尺寸。\n\nTPS6229x 器件在自然通風(fēng)環(huán)境下的額定工作溫度范圍為 –40°C 至 85°C。這些器件采用 2mm × 2mm 6 引腳 WSON 封裝 (DRV)。

TPS62290

1-A Step Down Converter in 2 x 2 SON Package

TPS62290

1-A Step Down Converter in 2 x 2 SON Package

TPS62290

1-A Step Down Converter in 2 x 2 SON Package

TPS62290

1-A Step Down Converter in 2 x 2 DRV Package

TPS62290

1-A Step Down Converter in 2-mm ? 2-mm SON Package

TPS62290-Q1

采用 2x2mm SON/TSOT23 封裝的汽車(chē)類(lèi) 2.3V 至 6V、2.25MHz 固定頻率 1A 降壓轉(zhuǎn)換器; ? Qualified for Automotive Applications\n? High Efficiency Step-Down Converter\n? Output Current up to 1000 mA\n? VIN Range From 2.3 V to 6 V\n? 2.25-MHz Fixed Frequency Operation\n? Power Save Mode at Light Load Currents\n? Output Voltage Accuracy in PWM mode ±1.5%\n? Fixed Output Voltage Options\n? Typical 15-μA Quiescent Current \n? 100% Duty Cycle for Lowest Dropout\n? Voltage Positioning at Light Loads\n? Available in a 2-mm × 2-mm × 0.8-mm SON Package;

The TPS6229x-Q1 is a highly efficient synchronous step-down buck converter optimized for automotive low input voltage applications, and provides up to 1000-mA output current.. \n\nWith an input voltage range of 2.3 V to 6 V, and an output voltage accuracy of 1.5%, the device powers a large variety of automotive applications.\n\nThe TPS6229x-Q1 operates at 2.25-MHz fixed switching frequency and enters Power Save Mode operation with typical quiescent current of 15 μA at light load currents to maintain a high efficiency over the entire load current range. \n\nThe Power Save Mode is optimized for low output voltage ripple. For low noise applications, the device can be forced into fixed frequency PWM mode by pulling the MODE pin high. In the shutdown mode, the current consumption is reduced to less than 1?μA. The TPS6229x-Q1 allows the use of small inductors and capacitors to achieve a small solution size.\n\nThe TPS6229x-Q1 is available in a 2-mm × 2-mm 6-pin SON package.

TPS62290_08

1-A Step Down Converter in 2 x 2 SON Package

TPS62290_1

1-A Step Down Converter in 2 x 2 SON Package

TPS62290_15

TPS6229x 1-A Step Down Converter in 2 x 2 DRV Package