2A输出电流恒定频率电流模式架构的高效单片同步降压稳压器CXSD62237 2.5V至5.5V的输入电压高效达96%占空比100%
发表时间:2020-05-08
浏览次数:314

目录

1.产品概述       2.产品特点     8yF嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)8yF嘉泰姆

5.产品封装       6.电路原理图  8yF嘉泰姆

7.相关产品8yF嘉泰姆

   产品概述 返回TOP8yF嘉泰姆


The CXSD62237 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in an adjustable version and fixed output voltages of 1.5V and 1.8V. Supply current during operation is only 20mA and drops to ≤1mA in shutdown. The 2.5V to 5.5V input voltage range makes the CXSD62237 ideally suited for single Li-Ion battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems.Automatic Burst Mode operation increases efficiency at light loads, further extending battery life. Switching frequency is internally set at 1.5MHz, allowing the use of small surface mount inductors and capacitors. The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. Low output voltages are easily supported with the 0.6V feedback reference voltage. The CXSD62237 is available in TSOT23-5 package.

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* High Efficiency: Up to 96%8yF嘉泰姆

* High Efficiency at light loads8yF嘉泰姆

* Very Low Quiescent Current: Only 20uA During Operation8yF嘉泰姆

* 2A Output Current8yF嘉泰姆

* 2.5V to 5.5V Input Voltage Range8yF嘉泰姆

* 1.5MHz Constant Frequency Operation8yF嘉泰姆

* No Schottky Diode Required8yF嘉泰姆

* Low Dropout Operation: 100% Duty Cycle8yF嘉泰姆

* 0.6V Reference Allows Low Output Voltages8yF嘉泰姆

* Shutdown Mode Draws ≤1uA Supply Current8yF嘉泰姆

* Current Mode Operation for Excellent Line and Load Transient Response8yF嘉泰姆

* Overtemperature Protected8yF嘉泰姆

* Low Profile (1mm) TSOT23-5 Package8yF嘉泰姆

   应用范围 返回TOP8yF嘉泰姆


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* Cellular Telephones8yF嘉泰姆

* Personal Information Appliances8yF嘉泰姆

* Wireless and DSL Modems8yF嘉泰姆

* Digital Still Cameras8yF嘉泰姆

* MP3 Players8yF嘉泰姆

* Portable Instruments8yF嘉泰姆

   技术规格书(产品PDF) 返回TOP 8yF嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持8yF嘉泰姆

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产品封装图 返回TOP8yF嘉泰姆


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电路原理图 返回TOP8yF嘉泰姆

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