CXSU6344

CXSU6344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。本产品采用外接低导通电阻Nch功率MOS,适用于高效率、高输出电流的应用场合。CXSU6344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IC工作电流降低效率

CMOS升压开关稳压器由参考电压源振荡电路误差放大器相位补偿电路PWM/PFM开关组成CXSU6344占空比为15%的功率因数调制

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产品简介

                          目录H5K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)H5K嘉泰姆

   5.产品封装      6.电路原理图     7.相关产品H5K嘉泰姆

一.产品概述H5K嘉泰姆


    The CXSU6344 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 external low-ON-resistance Nch Power MOS, this product is applicable to applications requiring high efficiency and high output current. The CXSU6344 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 efficiency by IC operation current.H5K嘉泰姆

二.产品特点H5K嘉泰姆


  Low voltage operation: Start-up is guaranteed from 0.9 V(IOUT =1 mA )H5K嘉泰姆

  Duty ratio: Built-in PWM/PFM switching control circuit 15 to 78 % .H5K嘉泰姆

  oscillator frequency:300KHzH5K嘉泰姆

  External parts: coil, diode, capacitor, and transistorH5K嘉泰姆

  Output voltage range: 1.5V ~20 VH5K嘉泰姆

  Output voltage accuracy:±2%H5K嘉泰姆

  Soft start function: 2 ms.H5K嘉泰姆

三.应用范围H5K嘉泰姆


  Mobile phones (PDC, GSM, CDMA, IMT200 etc.)H5K嘉泰姆

  Bluetooth equipmentH5K嘉泰姆

  PDAH5K嘉泰姆

  Portable communication modemH5K嘉泰姆

  Portable gamesH5K嘉泰姆

  CamerasH5K嘉泰姆

  Digital camerasH5K嘉泰姆

  Cordless phonesH5K嘉泰姆

  Notebook computers    H5K嘉泰姆

四.技术规格书(产品PDF)H5K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H5K嘉泰姆

 QQ截图20160419174301.jpgH5K嘉泰姆

五.产品封装图H5K嘉泰姆


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六.电路原理图H5K嘉泰姆


blob.png   H5K嘉泰姆

七.相关芯片选择指南  更多同类产品......H5K嘉泰姆


Step-Up   DC/DC Converter(升压DC/DC转换器)H5K嘉泰姆

Part H5K嘉泰姆

MODEH5K嘉泰姆

VINH5K嘉泰姆

VOUTH5K嘉泰姆

AccuH5K嘉泰姆

FOSCH5K嘉泰姆

Eff.H5K嘉泰姆

ApplicationH5K嘉泰姆

PackageH5K嘉泰姆

CXSU6341H5K嘉泰姆

PFMH5K嘉泰姆

0.9-6.5VH5K嘉泰姆

3.0-5.0VH5K嘉泰姆

±2.5%H5K嘉泰姆

100KH5K嘉泰姆

85%H5K嘉泰姆

①②③④⑤⑥⑧H5K嘉泰姆

SOT23-3/SOT23-5/SOT89-3H5K嘉泰姆

CXSU6342H5K嘉泰姆

PWMH5K嘉泰姆

0.9-6.5VH5K嘉泰姆

3.0-5.0VH5K嘉泰姆

±2.5%H5K嘉泰姆

100KH5K嘉泰姆

87%H5K嘉泰姆

①②③④⑤⑥⑧H5K嘉泰姆

SOT23-3/SOT23-5/SOT89-3H5K嘉泰姆

CXSU6343H5K嘉泰姆

PFMH5K嘉泰姆

0.9-6.5VH5K嘉泰姆

2.7-5.6VH5K嘉泰姆

±2.5%H5K嘉泰姆

180KH5K嘉泰姆

85%H5K嘉泰姆

①②③④⑤⑥⑦H5K嘉泰姆

SOT23-5/SOT89-3/SOT23-3/TO92H5K嘉泰姆

CXSU6344H5K嘉泰姆

PFM/PWMH5K嘉泰姆

0.9-6.5VH5K嘉泰姆

<20VH5K嘉泰姆

±2%H5K嘉泰姆

300KH5K嘉泰姆

88%H5K嘉泰姆

⑥⑦⑨⑩H5K嘉泰姆

SOT23-5H5K嘉泰姆

CXSU6345H5K嘉泰姆

PFMH5K嘉泰姆

0.9-6.5VH5K嘉泰姆

1.8-6.0VH5K嘉泰姆

±2%H5K嘉泰姆

150K/H5K嘉泰姆

85%H5K嘉泰姆

①②③④⑤⑥H5K嘉泰姆

SOT89-3//SOT23-5/SOT23-3H5K嘉泰姆

CXSU6346H5K嘉泰姆

PFM/PWMH5K嘉泰姆

0.9-6.5VH5K嘉泰姆

<20VH5K嘉泰姆

±2%H5K嘉泰姆

300KH5K嘉泰姆

88%H5K嘉泰姆

⑥⑦⑨⑩H5K嘉泰姆

SOT23-5H5K嘉泰姆

CXSU6347H5K嘉泰姆

CHARGEH5K嘉泰姆

2.7-5.5VH5K嘉泰姆

5.0VH5K嘉泰姆

±3%H5K嘉泰姆

650KH5K嘉泰姆

81%H5K嘉泰姆

①②④⑦⑧H5K嘉泰姆

SOT23-6H5K嘉泰姆

CXSU6348H5K嘉泰姆

PFM/PWMH5K嘉泰姆

0.9-6.5VH5K嘉泰姆

<20VH5K嘉泰姆

±2%H5K嘉泰姆

1MH5K嘉泰姆

85%H5K嘉泰姆

⑥⑦⑨⑩H5K嘉泰姆

SOT23-5/H5K嘉泰姆

CXSU6349H5K嘉泰姆

PFM/PWMH5K嘉泰姆

0.9-6.5VH5K嘉泰姆

<20VH5K嘉泰姆

±2%H5K嘉泰姆

1MH5K嘉泰姆

85%H5K嘉泰姆

⑥⑦⑨⑩H5K嘉泰姆

SOT23-5/SOT89-5H5K嘉泰姆

CXSU6350H5K嘉泰姆

PFM/PWMH5K嘉泰姆

2.5-5.0VH5K嘉泰姆

<12VH5K嘉泰姆

±2%H5K嘉泰姆

1MH5K嘉泰姆

85%H5K嘉泰姆

⑥⑦⑨⑩H5K嘉泰姆

SOT23-6H5K嘉泰姆

CXSU6351H5K嘉泰姆

PFM/PWMH5K嘉泰姆

2.5-5.0VH5K嘉泰姆

<20VH5K嘉泰姆

±2%H5K嘉泰姆

1MH5K嘉泰姆

88%H5K嘉泰姆

①⑥⑦⑨⑩H5K嘉泰姆

SOT23-6H5K嘉泰姆

CXSU6352H5K嘉泰姆

PFM/PWMH5K嘉泰姆

0.9-6.5VH5K嘉泰姆

<20VH5K嘉泰姆

±2%H5K嘉泰姆

1.2MH5K嘉泰姆

85%H5K嘉泰姆

⑥⑦⑨⑩H5K嘉泰姆

SOT23-6H5K嘉泰姆

CXSU6353H5K嘉泰姆

PFM/PWM, SynchronousH5K嘉泰姆

2.9-4.4VH5K嘉泰姆

<5.5VH5K嘉泰姆

±2%H5K嘉泰姆

1MH5K嘉泰姆

94%H5K嘉泰姆

①②④⑦H5K嘉泰姆

ESOP8H5K嘉泰姆

CXSU6354H5K嘉泰姆

PFM, SynchronousH5K嘉泰姆

0.9-6.5VH5K嘉泰姆

1.8-6.0VH5K嘉泰姆

±2%H5K嘉泰姆

330KH5K嘉泰姆

85%H5K嘉泰姆

①②③④⑤⑥H5K嘉泰姆

SOT89-3/   SOT23-5/SOT23-3H5K嘉泰姆

CXSU6355H5K嘉泰姆

PFM, SynchronousH5K嘉泰姆

0.9-5.0VH5K嘉泰姆

1.8-5.0VH5K嘉泰姆

± 2%H5K嘉泰姆

400KH5K嘉泰姆

95%H5K嘉泰姆

①②④⑥⑦H5K嘉泰姆

SOT89/SOT23/SOT23-5/TO92H5K嘉泰姆

CXSU6356H5K嘉泰姆

PFM, SynchronousH5K嘉泰姆

0.9-6.0VH5K嘉泰姆

1.8-6.0VH5K嘉泰姆

±2%H5K嘉泰姆

140KH5K嘉泰姆

81%H5K嘉泰姆

①②③④⑤⑥H5K嘉泰姆

SOT89/SOT23-3H5K嘉泰姆

Applications: ①Battery powered   equipment②Wireless mouse, Wireless keyboard③Toys④Camera, Video   camera⑤VCR⑥PDA⑦LED Lighting⑧Wireless communication equipment⑨MID⑩Audio   equipmentH5K嘉泰姆

◀ 上一篇:CMOS工艺的低电源电流PFM升压DC/DC变换器CXSU6343低纹波低噪声输出电压0.1V的2~7.0V之间进行编程频率为180kHz

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下一篇▶:CMOS工艺的低电源电流PFM升压DC/DC变换器集成电路CXSU6345低纹波低噪音输出电压1.8V~6.0V