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Boost WLED Driver for Backlights CXLE81108 provides many protection schemes to avoid any abnormal operation. Over current protection is designed to protect internal NFET. It also provides over voltage | ||||||||||||||||||||||||||||||||||||||||||
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目录产品概述 返回TOP The boost converter automatically provides the regulated output voltage for the WLED backlight without the need to calculate the output for different LED types. It also integrates a 50V NFET that provides high output power. The 6-channel current sink is ideal for constant current driving, and, well matched less than 3% (typical). To set the maximum driving current, the ISET pin is used to determine reference current. Each channel of the current sink is set to 58 times of this reference current. A PWM pin can be used for PWM dimming. The CXLE81108 provides many protection schemes to avoid any abnormal operation. Over current protection is designed to protect internal NFET. It also provides over voltage and over temperature protection. The CXLE81108 can detect open or short LED and offer protections. The CXLE81108is available in a 20-pin 4X4mm TQFN package.The CXLE81108is a 6-channel boost WLED driver for backlight applications. It features a high-performance boost converter, six channel current sink with 3% current matching and accuracy, and PWM brightness dimming control.产品特点 返回TOP „ 5V to 24 V Input Supply Voltage „ Boost Converter Š Automatically Adjusting Output Voltage Š Integrated 2.0A 50V NFET Š Over Current Protection Š Over Voltage Protection Š Over 90% High Efficiency „ Six Channel Current Sink Š Maximum 30mA Current Sink Š 3% Current Matching and Accuracy Š 100:1 PWM Brightness Dimming Range „ Open/Short LED protection „ Thermal Shutdown „ Small 20-pin 4mmX4mm TQFN package 应用范围 返回TOP „ Notebook Displays LED Backlighting „ LCD Monitor LED Backlighting 技术规格书（产品PDF) 返回TOP 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！
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LED Backlight Driver |
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Part NO. |
Vin(V) min. |
Vin(V) max. |
CH |
VOUT (max) |
ISW (A) |
FSW (kHz) |
VLED FB(V) |
Note |
Package |
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2.5 |
5.5 |
1 |
20 |
1.2 |
1000 |
0.1/0.2 / 0.3 |
LX,GND,FB,EN,OVP,VIN,EN Dimming 100~200kHz,6SxP |
TSOT23-6 |
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2.5 |
5.5 |
1 |
40 |
1.2 |
1000 |
0.2 |
LX,GND,FB,EN,OVP,VIN,EN Dimming 100~200kHz |
TSOT23-6 |
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