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CXLE8601高效升压恒流LED驱动器|驱动1W LED,支持3-8串|92%转换效率
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CXLE8601是一款专为1W LED灯设计的升压恒流驱动器,凭借其0.22V低采样电压和400KHz固定开关频率,提供稳定的输出性能。芯片内置频率补偿电路与功率MOS管,大幅简化外部电路设计,同时支持3~8串LED灵活配置,尤其适用于输入电压≥12V时的高亮度场景。

CXLE8601高效升压恒流LED驱动器|驱动1W LED,支持3-8串|92%转换效率
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产品简介

一,产品概述(General Description)         TL6嘉泰姆


CXLE8601升压恒流LED驱动器:高精度驱动1W LED的理想方案

CXLE8601是一款专为1W LED灯设计的升压恒流驱动器,凭借其0.22V低采样电压400KHz固定开关频率,提供稳定的输出性能。芯片内置频率补偿电路功率MOS管,大幅简化外部电路设计,同时支持3~8串LED灵活配置,尤其适用于输入电压≥12V时的高亮度场景。TL6嘉泰姆

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The CXLE8602 regulator is fixed frequency PWM Boost (step-up) LEDTL6嘉泰姆
constant current driver,capable of driving Series 1W LED units with excellentTL6嘉泰姆
line and load regulation. The regulator is simple to use because it includesTL6嘉泰姆
internal frequency compensation and a fixed-frequency oscillator so that itTL6嘉泰姆
requires a minimum number of external components to work.TL6嘉泰姆
     The CXLE8602 could directly drive 6 Series 1W LED units at VIN>12V . TL6嘉泰姆
     The CXLE8601 regulator is fixed frequency PWM Boost (step-up) LEDTL6嘉泰姆
constant current driver,capable of driving Series 1W LED units with excellentTL6嘉泰姆
line and load regulation. The regulator is simple to use because it includesTL6嘉泰姆
internal frequency compensation and a fixed-frequency oscillator so that itTL6嘉泰姆
requires a minimum number of external components to work.TL6嘉泰姆
     The CXLE8601 could directly drive 5~8 Series 1W LED units at VIN>12V .TL6嘉泰姆
      The PWM control circuit is able to adjust the duty ratio linearly from 0 to 95%. An enable function, an over current protection function is built inside. An internal compensation block is built in to minimize external component count.
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核心优势

  1. 宽压高效驱动TL6嘉泰姆

    • 输入电压覆盖3.6V~24V,适配多种电源环境,输入≥12V时可驱动5~8串LED。TL6嘉泰姆

    • 92%超高转换效率,搭配最大2A开关电流,确保低能耗、高亮度输出。TL6嘉泰姆

  2. 精准控制与保护TL6嘉泰姆

    • PWM线性调光:0~90%占空比无级调节,实现平滑亮度调控。TL6嘉泰姆

    • 多重防护机制:集成过流保护、热关断、LED开路保护及软启动功能,保障系统安全运行。TL6嘉泰姆

  3. 高度集成设计TL6嘉泰姆

    • 内置补偿模块、电流限制功能及TTL使能控制(EN脚),减少外围元件需求。TL6嘉泰姆

    • SOP8紧凑封装,节省PCB空间,适配小型化设备。TL6嘉泰姆

技术亮点

  • 低采样电压:0.22V输出电流检测,提升能效比。TL6嘉泰姆

  • 稳定频率输出:400KHz固定频率,降低噪声干扰。TL6嘉泰姆

  • 工业级可靠性:支持-40℃~85℃工作温度,适应严苛环境。TL6嘉泰姆

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二.产品特点(Features)TL6嘉泰姆

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Wide 3.6V to 24V Input Voltage RangeTL6嘉泰姆
0.22V FB adjustable LED drive currentTL6嘉泰姆
Directly drive 6 Series 1W LED atTL6嘉泰姆
VIN>=12VTL6嘉泰姆
Fixed 400KHz Switching FrequencyTL6嘉泰姆
Max. 2A Switching Current CapabilityTL6嘉泰姆
Up to 92% efficiencyTL6嘉泰姆
Excellent line and load regulationTL6嘉泰姆
EN PIN TTL shutdown capabilityTL6嘉泰姆
Internal Optimize Power MOSFETTL6嘉泰姆
Built in Soft-Start FunctionTL6嘉泰姆
Built in Frequency CompensationTL6嘉泰姆
Built in Thermal Shutdown FunctionTL6嘉泰姆
Built in Current Limit FunctionTL6嘉泰姆
Available in SOP8L packageTL6嘉泰姆
三,应用范围 (Applications)TL6嘉泰姆
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  • LED照明系统:通用照明、景观灯、工业灯具。TL6嘉泰姆

  • 显示设备背光:7~15寸LCD面板、显示器LED背光驱动。TL6嘉泰姆

  • 便携设备:电池供电场景下的高效升压恒流解决方案。TL6嘉泰姆

        CXLE8601以高集成度、低功耗和卓越稳定性,成为LED驱动领域的优选方案,广泛适用于消费电子、工业控制及显示技术领域。TL6嘉泰姆

LED LightingTL6嘉泰姆
Boost constant current driverTL6嘉泰姆
Monitor LED BacklightingTL6嘉泰姆
7’ to 15’ LCD Panels
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四.技术规格书下载(产品PDF)TL6嘉泰姆
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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!TL6嘉泰姆

 QQ截图20160419174301.jpgTL6嘉泰姆

五,产品封装图 (Package)TL6嘉泰姆
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blob.png
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Pin NumberTL6嘉泰姆

Pin NameTL6嘉泰姆

DescriptionTL6嘉泰姆

1TL6嘉泰姆

ENTL6嘉泰姆

Enable Pin. Drive EN pin low to turn off the device, drive itTL6嘉泰姆
high to turn it on. Floating is default high.
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2TL6嘉泰姆

VINTL6嘉泰姆

Supply Voltage Input Pin. CXLE8602 operates from a 3.6V to 24VTL6嘉泰姆
DC voltage. Bypass Vin to GND with a suitably large capacitorTL6嘉泰姆
to eliminate noise on the input.
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3TL6嘉泰姆

FBTL6嘉泰姆

Feedback Pin (FB). The feedback threshold voltage is 0.22V.TL6嘉泰姆

4TL6嘉泰姆

NCTL6嘉泰姆

No Connected.TL6嘉泰姆

5,6TL6嘉泰姆

SWTL6嘉泰姆

Power Switch Output Pin (SW). Output is the switch node thatTL6嘉泰姆
supplies power to the output.
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7,8TL6嘉泰姆

GNDTL6嘉泰姆

Ground Pin.TL6嘉泰姆

六.电路原理图TL6嘉泰姆
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blob.pngTL6嘉泰姆
七,功能概述TL6嘉泰姆
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ParameterTL6嘉泰姆

SymbolTL6嘉泰姆

ValueTL6嘉泰姆

UnitTL6嘉泰姆

Input VoltageTL6嘉泰姆

VinTL6嘉泰姆

-0.3 to 26TL6嘉泰姆

VTL6嘉泰姆

Feedback Pin VoltageTL6嘉泰姆

VFBTL6嘉泰姆

-0.3 to VinTL6嘉泰姆

VTL6嘉泰姆

EN Pin VoltageTL6嘉泰姆

VENTL6嘉泰姆

-0.3 to VinTL6嘉泰姆

VTL6嘉泰姆

Output Switch Pin VoltageTL6嘉泰姆

VOutputTL6嘉泰姆

-0.3 to 60TL6嘉泰姆

VTL6嘉泰姆

Power DissipationTL6嘉泰姆

PDTL6嘉泰姆

Internally limitedTL6嘉泰姆

mWTL6嘉泰姆

Thermal Resistance (SOP8)TL6嘉泰姆
(Junction to Ambient, No Heatsink, Free Air)
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RJATL6嘉泰姆

100TL6嘉泰姆

oC/WTL6嘉泰姆

Operating Junction TemperatureTL6嘉泰姆

TJTL6嘉泰姆

-40 to 125TL6嘉泰姆

oCTL6嘉泰姆

Storage TemperatureTL6嘉泰姆

TSTGTL6嘉泰姆

-65 to 150TL6嘉泰姆

oCTL6嘉泰姆

Lead Temperature (Soldering, 10 sec)TL6嘉泰姆

TLEADTL6嘉泰姆

260TL6嘉泰姆

oCTL6嘉泰姆

ESD (HBM)TL6嘉泰姆

 

>2000TL6嘉泰姆

VTL6嘉泰姆

八,相关芯片选择指南TL6嘉泰姆
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产品型号 输入电压 最大输出电压 开关电流 开关频率 恒流设置 封装形式
CXLE8601 3.6V ~ 24V 32V 2A 400KHz Adj   (0.22V) SOP8L
CXLE8602 5V ~ 40V 60V 2A 400KHz Adj   (0.22V) SOP8L
CXLE8603 5V ~ 40V 60V 2A 400KHz Adj   (0.22V) SOP8L
CXLE8604 3.6V ~ 32V 60V 4A 180KHz Adj   (0.22V) TO252-5L
CXLE8605 5V ~ 32V 60V 5A 180KHz Adj   (0.22V) TO263-5L

九。Bill of Materials(BOM)TL6嘉泰姆
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十。Performance DataTL6嘉泰姆
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十一.Populated Circuit Board PhotographTL6嘉泰姆
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十二.PCB LayoutTL6嘉泰姆
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 Note: TL6嘉泰姆
1. Keep feedback wiring away from inductor and schottky.TL6嘉泰姆
2. VIN, SW, LED+, LED- lines must be short and ground plane construction for best results.TL6嘉泰姆
3. C3,R1,R2 and R3 are used for the designing with PWM dimming. If not with PWM dimming, R1 replaced TL6嘉泰姆
with 0 ohm, C3,R2,R3 open.
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