TPS62740360nAIQ降压转化器是业界首款具有360nA典型静态电流、并通过微型2.2µH电感器和10µF输出电容器工作的降压型转换器。此篇主要介绍了TPS62740特性、应用范围、参考设计电路以及电路分析，帮助大家缩短设计时间。

TPS62740特性：输入电压范围VIN从2.2V到5.5V；典型的360nA静态电流；10µA输出电流下高达90%的效率

TPS62740典型应用范围：蓝牙®低能耗,RF4CE,Zigbee；工业量表；能量收集

TPS62740参考设计应用电路：

图1TPS62740内部结构图

TheTPS62740 is the first step down converter with an ultra low quiescent current consumption (360nA typ.) and featuring TI"s DCS-Control™ topology while maintaining a regulated output voltage. The device extends high efficiency operation to output currents down to a few micro amperes.

图2TPS62740参考设计图

TheTPS62740 is industry"s first step down converter featuring typ. 360nA quiescent current and operating with a tiny 2.2µH inductor and 10µF output capacitor。This new DCS-Control™ based device extends the light load efficiency range below 10µA load currents.

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