CXSD62239

CXSD62239是一个380千赫的固定频率单片降压开关模式稳压器,内置一个内部功率MOSFET。它在宽的输入电源范围内实现2A连续输出电流,具有良好的负载和线路调节。该装置包括电压基准源、振荡电路、误差放大器、内部PMOS等,PWM控制电路能将占空比从0线性调整到100%。内置使能功能、过流保护功能和短路保护功能。

2A恒定输出电流固定380KHz频率CXSD62239效率高达95%宽3.6V至20V输入电压内置频率补偿热关机功能PWM控制电路能将占空比从0线性调整到100%

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1.产品概述       2.产品特点     a3P嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)a3P嘉泰姆

5.产品封装       6.电路原理图  a3P嘉泰姆

7.相关产品a3P嘉泰姆

   产品概述 返回TOPa3P嘉泰姆


      The CXSD62239 is a 380 KHz fixed frequency monolithic step down switch mode regulator with a built in internal Power MOSFET. It achieves 2A continuous output current over a wide input supply range with excellent load and line regulation. The device includes a voltage reference, oscillation circuit, error amplifier, internal PMOS and etc. The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%. An enable function, an over current protection function and a short circuit protection function are built inside. An internal compensation block is built in to minimize external component count. The CXSD62239 serves as ideal power supply units for portable devices.

   产品特点 返回TOPa3P嘉泰姆


 a3P嘉泰姆

* 2A Constant Output Currenta3P嘉泰姆

* 140mΩ RDSON Internal Power PMOSFET Switcha3P嘉泰姆

* Up to 95% Efficiencya3P嘉泰姆

* Fixed 380KHz Frequencya3P嘉泰姆

* Wide 3.6V to 20V Input Voltage Rangea3P嘉泰姆

* Output Adjustable from 1.222V to 18Va3P嘉泰姆

* Built in Frequency Compensationa3P嘉泰姆

* Built in Thermal Shutdown Functiona3P嘉泰姆

* Built in Current Limit Functiona3P嘉泰姆

* SOP-8 Package is Availablea3P嘉泰姆

* The minimum dropout up to 0.3Va3P嘉泰姆

   应用范围 返回TOPa3P嘉泰姆


 a3P嘉泰姆

* Portable DVDa3P嘉泰姆

* LCD Monitor / TVa3P嘉泰姆

* Battery Chargera3P嘉泰姆

* ADSL Modema3P嘉泰姆

* Telecom / Networking Equipmenta3P嘉泰姆

   技术规格书(产品PDF) 返回TOP a3P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a3P嘉泰姆

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产品封装图 返回TOPa3P嘉泰姆


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电路原理图 返回TOPa3P嘉泰姆

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◀ 上一篇:1.5A的输出电流高效的1.5MHz同步降压DC-DC稳压器集成电路CXSD62238 3V到5.5V的宽输入电压内部软启动限制浪涌电流

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下一篇▶:3A输出负载电流输入电压45V固定和可调降压(buck)开关式稳压器CXSD62240输出电压可从1.23v调整到43VTTL关闭能力