产品概述 返回TOPrQX嘉泰姆

The CXLE81112/CXLE81112A is current mode DC/DC controller that drives up to four strings connected in parallel configuration with multiple LEDs in each string connected in series. External current sense resistor and slope compensation resistor make it flexible for various applications. A PWM dimming input controls a duty ratio from 0% to 100% with frequency up to few kilohertz. The CXLE81112/CXLE81112A includes hiccup protection from both short and open circuits, with automatic recovery after the fault condition is cleared. The CXLE81112 is available in a TQFN4X4-24 package. The CXLE81112A is available in a TQFN4X4-28 and SOP-28 package.

   产品特点 返回TOPrQX嘉泰姆

„ 7V~27V input voltage range rQX嘉泰姆

„ High Power Current Mode DC/DC boost Controller rQX嘉泰姆

„ Drives up to 4 strings in parallel rQX嘉泰姆

„ External Analog/True PWM Dimming rQX嘉泰姆

„ +/-2% Voltage Reference rQX嘉泰姆

„ Programmable Switching Frequency rQX嘉泰姆

„ Programmable Slope Compensation rQX嘉泰姆

„ Programmable Current Limit rQX嘉泰姆

„ +0.2A/-0.4A Gate Driver rQX嘉泰姆

„ Input Under Voltage Protection rQX嘉泰姆

„ Output Short Circuit Protection rQX嘉泰姆

„ Hiccup Mode Protection for Output Over Voltage Protection and LED Light Bar Short/Open Protection rQX嘉泰姆

„ Thermal Shutdown rQX嘉泰姆

„ Available in TQFN4X4-24/TQFN4X4-28/SOP-28 PackagerQX嘉泰姆

   应用范围 返回TOPrQX嘉泰姆

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   技术规格书（产品PDF) 返回TOP rQX嘉泰姆

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