180KHz 60V 5A Switching Current Boost LED Constant Current Driver CXLE8869 regulator is fixed frequency PWM Boost (step-up) LED constant current driver, capable of driving Series 1W/3W/5W LED units

   产品概述 返回TOPl8J嘉泰姆

The CXLE8869 regulator is fixed frequency PWM Boost (step-up) LED constant current driver, capable of driving Series 1W/3W/5W LED units with excellent line and load regulation. The regulator is simple to use because it includes internal frequency compensation and a fixed-frequency oscillator so that it requires a minimum number of external components to work. The CXLE8869 could directly drive 16 Series 1W/3W LED units at VIN=24V . 

The PWM control circuit is able to adjust the duty ratio linearly from 0 to 90%. An enable function, an over current protection function is built inside. An internal compensation block is built in to minimize external component count.

   产品特点 返回TOPl8J嘉泰姆

n Wide 5V to 32V Input Voltage Range l8J嘉泰姆

n Maximum Boost Output Up to 60V l8J嘉泰姆

n 0.22V FB adjustable LED drive current l8J嘉泰姆

n Directly drive 16 Series 1W/3W LED at VIN=24V l8J嘉泰姆

n Fixed 180KHz Switching Frequency l8J嘉泰姆

n Max. 5A Switching Current Capability l8J嘉泰姆

n Up to 94% efficiency l8J嘉泰姆

n Excellent line and load regulation l8J嘉泰姆

n EN PIN TTL shutdown capability l8J嘉泰姆

n Internal Optimize Power MOSFET l8J嘉泰姆

n Built in Soft-Start Function l8J嘉泰姆

n Built in Frequency Compensation l8J嘉泰姆

n Built in Thermal Shutdown Function l8J嘉泰姆

n Built in Current Limit Function l8J嘉泰姆

n Available in TO263-5L & TO220-5L packagel8J嘉泰姆

   应用范围 返回TOPl8J嘉泰姆

n LED Lighting l8J嘉泰姆

n Boost constant current driver l8J嘉泰姆

n TFT LED Backlightingl8J嘉泰姆

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