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首页 > 产品中心 > 电源管理 > 同步 异步 升降压DC转换器 > 同步DC-DC升降压IC >双路输出600mA同步整流降压DC/DC转换器CXSB6612系列是把两个内置驱动晶体管600mA同步整流降压DC/DC转换器实装成一个封装组件的多重芯片
双路输出600mA同步整流降压DC/DC转换器CXSB6612系列是把两个内置驱动晶体管600mA同步整流降压DC/DC转换器实装成一个封装组件的多重芯片
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 CXSB6612系列是把两个内置驱动晶体管600mA同步整流降压DC/DC转换器实装成一个封装组件的多重芯片。由于采用了超小型表面实装封装组件(USP-12B01),实现了大幅度减少了使用空间。

双路输出600mA同步整流降压DC/DC转换器CXSB6612系列是把两个内置驱动晶体管600mA同步整流降压DC/DC转换器实装成一个封装组件的多重芯片
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1.产品概述       2.产品特点     VA1嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)VA1嘉泰姆

5.产品封装       6.电路原理图  VA1嘉泰姆

7.相关产品VA1嘉泰姆

   产品概述 返回TOPVA1嘉泰姆


       CXSB6612系列是把两个内置驱动晶体管600mA同步整流降压DC/DC转换器实装成一个封装组件的多重芯片。由于采用了超小型表面实装封装组件(USP-12B01),实现了大幅度减少了使用空间。CXSB6612系列是内置了与陶瓷电容对应的0.42ΩP通道驱动晶体管及0.52ΩN通道开关晶体管的同步整流型DC/DC转换器。作为外置零部件只使用线圈和电容即可得到输出600mA电流的高效率稳定电源。工作电压为2.7V~6.0V。内置1.2MHz和3.0MHz的压控振荡器,所选择最适用与应用目的的频率。工作模式能选择PWM控制(CXSB6612xA/CXSB6612xB) ,或PWM/PFM 自动转换控制(CXSB6612xC/CXSB6612xD),实现从轻负载到大输出电流的所有负载范围内,自由自在地高速响应,低纹波,高效率地控制。在芯片内部进行了软启动功能和限制电流功能调整到最佳状态。待机时整个电路停止工作把消耗电流抑制在1.0μA以下。内置了欠压锁定功能UVLO(Under Voltage Lock Out)機能,当输入电压在1.4V以下时,强制停止内部驱动晶体管工作。The CXSB6612 series is a multi combination module IC which comprises of two 600mA driver transistor built-in synchronous step–down DC/DC converter. The CXSB6612 series is available in an ultra small package USP-12B01 suited for space conscious applications. The CXSB6612 series is a group of synchronous-rectification type DC/DC converters with a built-in 0.42ΩP-channel MOS driver transistor and 0.52ΩN-channel MOS switching transistor, designed to allow the use of ceramic capacitors. The ICs enable a high efficiency, stable power supply with an output current of 600mA to be configured using only a coil and two capacitors connected externally. Operating voltage range is from 2.7V to 6.0V. With the built-in oscillator, either 1.2MHz or 3.0MHz can be selected for suiting to your particular application. As for operation mode, the CXSB6612xA / CXSB6612xB series are PWM control, the CXSB6612xC / CXSB6612xD series are automatic PWM/PFM switching control, allowing fast response, low ripple and high efficiency over the full range of loads (from light load to heavy load). The soft start and current control functions are internally optimized. During stand-by, all circuits are shutdown to reduce current consumption to as low as 1.0μA or less. With the built-in UVLO (Under Voltage Lock Out) function, the internal P-channel driver transistor is forced OFF when input voltage becomes 1.4V or lower.VA1嘉泰姆

   产品特点 返回TOPVA1嘉泰姆


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   应用范围 返回TOPVA1嘉泰姆


●Mobile phones, Smart phones VA1嘉泰姆

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●Personal Device Assistances VA1嘉泰姆

●Portable games VA1嘉泰姆

●Digital still cameras, camcordersVA1嘉泰姆

   技术规格书(产品PDF) 返回TOP VA1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!VA1嘉泰姆

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产品封装图 返回TOPVA1嘉泰姆


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电路原理图 返回TOPVA1嘉泰姆


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