CXSU6349

CXSU6349系列是一种CMOS升压开关稳压器,主要由参考电压源、振荡电路、误差放大器、相位补偿电路、PWM/PFM开关控制电路组成。本产品采用低导通电阻Nch功率管,适用于高效率、高输出电流的应用。CXSU6349系列将其工作切换到占空比为15%的功率因数调制(PFM)控制电路,并在轻负载下切换到脉宽调制(PWM)/功率因数调制(PFM)开关控制电路,以防止效率下降

PWM/PFM开关控制升压开关稳压器CXSU6349脉宽调制占空比为15%功率因数调制低导通电阻Nch功率管

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产品简介

                          目录j4Q嘉泰姆

   1.产品概述      2.产品特点      3.应用范围     4.技术规格书下载(PDF文档)j4Q嘉泰姆

   5.产品封装      6.电路原理图     7.相关产品j4Q嘉泰姆

一.产品概述j4Q嘉泰姆


  The CXSU6349 series is a CMOS step-up switching regulator which mainly consists of a reference voltage source, an oscillation circuit, an error amplifier, a phase compensation circuit, a PWM/PFM switching control circuit. With an internal low-ON-resistance Nch Power MOS, this product is applicable to applications requiring high efficiency and high output current. The CXSU6349 series switches its operation to the PFM control circuit whose duty ratio is 15% with to the PWM/PFM switching control circuit under a light load and to prevent decline in the efficiencyj4Q嘉泰姆

二.产品特点j4Q嘉泰姆


  Low voltage operation: Start-up is guaranteed from 0.9 V(IOUT =1 mA )j4Q嘉泰姆

  Duty ratio: Built-in PWM/PFM switching control circuit 15 to 78 % .j4Q嘉泰姆

  oscillator frequency:1.0MHzj4Q嘉泰姆

  Output voltage range: 1.5V ~6.5 Vj4Q嘉泰姆

  Output voltage accuracy:±2%j4Q嘉泰姆

  Soft start function: 2 mS.j4Q嘉泰姆

三.应用范围j4Q嘉泰姆


  MP3 players, digital audio players j4Q嘉泰姆

  Digital cameras, GPS, wireless transceiverj4Q嘉泰姆

  Portable devices   j4Q嘉泰姆

四.技术规格书(产品PDF)j4Q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j4Q嘉泰姆

 QQ截图20160419174301.jpgj4Q嘉泰姆

五.产品封装图j4Q嘉泰姆


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六.电路原理图j4Q嘉泰姆


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七.相关芯片选择指南     更多同类产品......j4Q嘉泰姆


Step-Up   DC/DC Converter(升压DC/DC转换器)j4Q嘉泰姆

Part j4Q嘉泰姆

MODEj4Q嘉泰姆

VINj4Q嘉泰姆

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①②③④⑤⑥⑧j4Q嘉泰姆

SOT23-3/SOT23-5/SOT89-3j4Q嘉泰姆

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SOT23-3/SOT23-5/SOT89-3j4Q嘉泰姆

CXSU6343j4Q嘉泰姆

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180Kj4Q嘉泰姆

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SOT23-5/SOT89-3/SOT23-3/TO92j4Q嘉泰姆

CXSU6344j4Q嘉泰姆

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650Kj4Q嘉泰姆

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2.5-5.0Vj4Q嘉泰姆

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PFM/PWM, Synchronousj4Q嘉泰姆

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330Kj4Q嘉泰姆

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0.9-5.0Vj4Q嘉泰姆

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400Kj4Q嘉泰姆

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SOT89/SOT23/SOT23-5/TO92j4Q嘉泰姆

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1.8-6.0Vj4Q嘉泰姆

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140Kj4Q嘉泰姆

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①②③④⑤⑥j4Q嘉泰姆

SOT89/SOT23-3j4Q嘉泰姆

Applications: ①Battery powered   equipment②Wireless mouse, Wireless keyboard③Toys④Camera, Video   camera⑤VCR⑥PDA⑦LED Lighting⑧Wireless communication equipment⑨MID⑩Audio   equipmentj4Q嘉泰姆

◀ 上一篇:外接低导通电阻Nch功率MOS相位补偿电路CXSU6348内置PWM/PFM开关控制电路15-78%CMOS升压开关稳压器误差放大器

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