TX9116同步升壓ic

Features  External parts: Coil, capacitor  Output voltage: Settable to between 2.1V to 5.5V in 0.1V steps  Maximum Oscillation frequency :300KHz  Accuracy of ±2%  High efficiency :95%  Package: SOT23 and TO92 Applications  Digital cameras  Electronic notebooks and PDAS  Portable CD/MD players  Cameras , video equipment  Communications equipment  Power supply for microcomputers General Description The TX9116 Series is a Synchronous step-up DC/DC Converter with PFM Control. With the TX9116 Series, a step-up switching DC/DC converter can be configured by using an external coil, capacitor. The built-in MOSFET is turned off by a protection circuit when the voltage at the LX pin exceeds the limit to prevent it from being damaged

TX9116AXX/TX9118AXX是一款具有低待機功耗、高效率的同步升壓 DC-DC，待機電流僅15uA。

TX9116AXX/TX9118AXX采用固定導通時間的PFM控制方式，在輕載時自動降低開關頻率保持高的轉換效率。TX9116AXX/TX9118AXX外圍僅需3個元件，即可實作将低輸入的電池電壓轉換到所需要的工作電壓。TX9116AXX/TX9118AXX采用專利的控制技術，具有低待機功耗和輕載高效的特點。

TX9116AXX/TX9118AXX能夠在保持輸出電壓升壓穩壓條件下實作輸入電流僅 15uA ，尤其适合對待機時間要求高的應用。TX9116AXX/TX9118AXX提供SOT23、SOT23-3、SOT23-5、SOT89封裝。

TX9116/TX9118特性：

低靜态功耗：6uA

高效率：可高達 93%

最大工作頻率：370KHz

輸出電壓：2.2V~5.0V（步進 0.1V）

啟動電壓：0.9V

低紋波、低噪聲

TX9116AXX/TX9118AXX提供SOT23、SOT23-3、SOT23-5、SOT89封裝

TX9116/TX9118應用: