产品概述 返回TOPHRE嘉泰姆

      CXLE81116 develops a high efficiency boost regulator with six matching current source to drive up to six strings of white LEDs in the backlight applications of LCD panels.
         The device operates over a wide input voltage range of 4.5V to 24V. CXLE81116 has a fixed switching frequency of 1MHz. The LED current can be programmed from 10mA to 30mA. CXLE81116 also integrates PWM dimming function for the accurate LED current control.
         The CXLE81116 is available in QFN3x3-16 package.

   产品特点 返回TOPHRE嘉泰姆

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1MHz fixed switching frequencyHRE嘉泰姆

Integrated loop compensationHRE嘉泰姆

Drive up to 6 strings of LEDs with up to 10 LED per stringHRE嘉泰姆

Minimum on time: 80ns typicalHRE嘉泰姆

Minimum off time: 100ns typicalHRE嘉泰姆

Over voltage protectionHRE嘉泰姆

Low Rdson of internal boost switch: 200mohmHRE嘉泰姆

10000:1 PWM brightness control at 200HzHRE嘉泰姆

Dimming Frequency: 100Hz~30kHzHRE嘉泰姆

+/-2% current matching among strings guaranteed for above 10% dimming levelHRE嘉泰姆

Programmable LED current: up to 30mA per string. +/-3% accuracyHRE嘉泰姆

Internal softstartHRE嘉泰姆

Compact packages: QFN3x3-16HRE嘉泰姆

   应用范围 返回TOPHRE嘉泰姆

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Notebook panel backlightHRE嘉泰姆

TV Panel BacklightHRE嘉泰姆

   技术规格书（产品PDF) 返回TOP HRE嘉泰姆

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