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电流模式和固定频率升压转换器CXSU63169串联驱动8个白色LED固定1MHz开关频率效率高达87%脉宽调制亮度控制频率
发表时间:2020-06-09浏览次数:281
电流模式和固定频率升压转换器CXSU63169串联驱动8个白色LED固定1MHz开关频率效率高达87%脉宽调制亮度控制频率
 

目录

1.产品概述       2.产品特点     xcP嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)xcP嘉泰姆

5.产品封装       6.电路原理图  xcP嘉泰姆

7.相关产品xcP嘉泰姆

   产品概述 返回TOPxcP嘉泰姆


The CXSU63169A/B/C is a current-mode and fixed frequency boost converter with an integrated N-FET to drive up to 8 white LEDs in series. The series connection allows the LED current to be identical for uniform brightness. Its low on-resistance of NFET and feedback voltage reduce power loss and achieve high efficiency. Fast 1MHz current-mode PWM operation is available for input and output capacitors and a small inductor while minimizing ripple on the input supply. The OVP pin monitors the output voltage and stops switching if exceeds the over-voltage threshold. An internal softstart circuit eliminates the inrush current during start-up. The CXSU63169A/B/C also integrates under-voltage lockout, over-temperature protection, and current-limit circuits. The CXSU63169/A/B/C is available in a SOT-23-6 packages.

   产品特点 返回TOPxcP嘉泰姆


z Wide Input Voltage from 2.7V to 6V xcP嘉泰姆

z 0.25V Reference Voltage xcP嘉泰姆

z Fixed 1MHz Switching Frequency xcP嘉泰姆

z High Efficiency up to 87% xcP嘉泰姆

z 100Hz to 100kHz PWM Brightness Control Frequency xcP嘉泰姆

z Open‐LED Protection xcP嘉泰姆

z Under‐Voltage Lockout Protection xcP嘉泰姆

z Over‐Temperature Protection xcP嘉泰姆

z<1mA Quiescent Current Dduring Shutdown xcP嘉泰姆

z SOT‐23‐6 Packages xcP嘉泰姆

z Lead Free and Green Devices Available xcP嘉泰姆

z (RoHS Compliant)xcP嘉泰姆

   应用范围 返回TOPxcP嘉泰姆


z White LED Display Backlighting xcP嘉泰姆

z Cell Phone and Smart Phone xcP嘉泰姆

z PDA, PMP, MP3 xcP嘉泰姆

z Digital CameraxcP嘉泰姆

   技术规格书(产品PDF) 返回TOP xcP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xcP嘉泰姆

 QQ截图20160419174301.jpgxcP嘉泰姆

产品封装图 返回TOPxcP嘉泰姆


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xcP嘉泰姆

电路原理图 返回TOPxcP嘉泰姆


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Step-up Converter
Part No. Input Voltage Output Voltage Current MAX Frequency Efficiency Package
CXSU63168 6V 20V 350mA 1.25MHz 90% SOT23-6
CXSU63169 6V 20V/28V/35V 1A 1MHz 90% SOT23-6
CXSU63170 6V 24V 2A 1.5MHz 90% SOT23-6
CXSU63171 6V 6V 2A 1MHz 90% SOT23-6
CXSU63172 6V 20V 2A 1.5MHz 88% SOT23-5
CXSU63173 6V 20V 2A 1.5MHz 88% SOT23-6
CXSU63174 20V 30V 3.5A 1.2MHz 95% DFN-10
CXSU63175 6V --V --A 1MHz 90% SOP-8/TSSOP-8
CXSU63176 6V 6V 2A 1MHz 95% SOT23-6
CXSU63177 5V 5V 2.1A 1.2MHz 92% /DFN-12/QFN-16QFN-16
CXSU63178 5V 5V 2.1A 1.2MHz 92% ESOP-8
CXSU63179 5V 5V 6A 1.2MHz 92% ESOP-8

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