High Efficiency, Constant Current 20V WhiteLEDs Driver CXLE8198 step-up converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices

发布时间:2020-04-06 09:43:38 浏览次数:719 作者:嘉泰姆
摘要:High Efficiency, Constant Current 20V WhiteLEDs Driver CXLE8198 step-up converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices

目录

1.产品概述       2.产品特点     rL8嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)</span>rL8嘉泰姆

5.产品封装       6.电路原理图</strong>  rL8嘉泰姆

7.相关产品rL8嘉泰姆

   产品概述 返回TOPrL8嘉泰姆


The CXLE8198 step-up converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are identical for uniform brightness. An enable input can be pulsed repeatedly to adjust LED’s brightness. The fast 1.0 MHz current-mode PWM control allows for smaller capacitor and inductor. Fault condition protection uses cycle-by-cycle current limiting to sense maximum inductor current, thermal protection and over-voltage protection. Also included soft-start eliminates inrush current during start-up. The low reference voltage minimized the power loss across the current-setting resistor. The CXLE8198 is available in TSOT-23-6 packages

   产品特点 返回TOPrL8嘉泰姆


„ Operating Voltage: 2.5V to 5.5V. rL8嘉泰姆

„ High Operating Frequency: 1MHz rL8嘉泰姆

„ High Output Voltage: Up to 20V(Typ.) rL8嘉泰姆

„ Digital Dimming Control. rL8嘉泰姆

„ Built-in Cycle-by Cycle Current-Limiting. rL8嘉泰姆

„ Built-in Soft-Start Function. rL8嘉泰姆

„ 0.1V/0.2V/0.3V Low Reference Voltage rL8嘉泰姆

„ Thermal Overload Protection rL8嘉泰姆

„ TSOT-23-6 PackagerL8嘉泰姆

   应用范围 返回TOPrL8嘉泰姆


GPS Navigation System rL8嘉泰姆

Compact Back Light Module rL8嘉泰姆

Constant Current Source rL8嘉泰姆

LED ModulerL8嘉泰姆

   技术规格书(产品PDF) 返回TOP rL8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</span>!</span>
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产品封装图&nbsp;返回TOPrL8嘉泰姆


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电路原理图&nbsp;返回TOPrL8嘉泰姆

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