CXLE8601

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

产品手册

产品订购

产品简介

一,产品概述(General Description)         swB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。swB嘉泰姆

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The CXLE8602 regulator is fixed frequency PWM Boost (step-up) LEDswB嘉泰姆
constant current driver,capable of driving Series 1W LED units with excellentswB嘉泰姆
line and load regulation. The regulator is simple to use because it includesswB嘉泰姆
internal frequency compensation and a fixed-frequency oscillator so that itswB嘉泰姆
requires a minimum number of external components to work.swB嘉泰姆
     The CXLE8602 could directly drive 6 Series 1W LED units at VIN>12V . swB嘉泰姆
     The CXLE8601 regulator is fixed frequency PWM Boost (step-up) LEDswB嘉泰姆
constant current driver,capable of driving Series 1W LED units with excellentswB嘉泰姆
line and load regulation. The regulator is simple to use because it includesswB嘉泰姆
internal frequency compensation and a fixed-frequency oscillator so that itswB嘉泰姆
requires a minimum number of external components to work.swB嘉泰姆
     The CXLE8601 could directly drive 5~8 Series 1W LED units at VIN>12V .swB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swB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。swB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。swB嘉泰姆

  2. 精准控制与保护swB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。swB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。swB嘉泰姆

  3. 高度集成设计swB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。swB嘉泰姆

    • SOP8紧凑封装,节省PCB空间,适配小型化设备。swB嘉泰姆

技术亮点

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二.产品特点(Features)swB嘉泰姆

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Wide 3.6V to 24V Input Voltage RangeswB嘉泰姆
0.22V FB adjustable LED drive currentswB嘉泰姆
Directly drive 6 Series 1W LED atswB嘉泰姆
VIN>=12VswB嘉泰姆
Fixed 400KHz Switching FrequencyswB嘉泰姆
Max. 2A Switching Current CapabilityswB嘉泰姆
Up to 92% efficiencyswB嘉泰姆
Excellent line and load regulationswB嘉泰姆
EN PIN TTL shutdown capabilityswB嘉泰姆
Internal Optimize Power MOSFETswB嘉泰姆
Built in Soft-Start FunctionswB嘉泰姆
Built in Frequency CompensationswB嘉泰姆
Built in Thermal Shutdown FunctionswB嘉泰姆
Built in Current Limit FunctionswB嘉泰姆
Available in SOP8L packageswB嘉泰姆
三,应用范围 (Applications)swB嘉泰姆
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        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。swB嘉泰姆

LED LightingswB嘉泰姆
Boost constant current driverswB嘉泰姆
Monitor LED BacklightingswB嘉泰姆
7’ to 15’ LCD Panels
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四.技术规格书下载(产品PDF)swB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!swB嘉泰姆

 QQ截图20160419174301.jpgswB嘉泰姆

五,产品封装图 (Package)swB嘉泰姆
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blob.png
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Pin NumberswB嘉泰姆

Pin NameswB嘉泰姆

DescriptionswB嘉泰姆

1swB嘉泰姆

ENswB嘉泰姆

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

VINswB嘉泰姆

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

FBswB嘉泰姆

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

4swB嘉泰姆

NCswB嘉泰姆

No Connected.swB嘉泰姆

5,6swB嘉泰姆

SWswB嘉泰姆

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

GNDswB嘉泰姆

Ground Pin.swB嘉泰姆

六.电路原理图swB嘉泰姆
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七,功能概述swB嘉泰姆
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ParameterswB嘉泰姆

SymbolswB嘉泰姆

ValueswB嘉泰姆

UnitswB嘉泰姆

Input VoltageswB嘉泰姆

VinswB嘉泰姆

-0.3 to 26swB嘉泰姆

VswB嘉泰姆

Feedback Pin VoltageswB嘉泰姆

VFBswB嘉泰姆

-0.3 to VinswB嘉泰姆

VswB嘉泰姆

EN Pin VoltageswB嘉泰姆

VENswB嘉泰姆

-0.3 to VinswB嘉泰姆

VswB嘉泰姆

Output Switch Pin VoltageswB嘉泰姆

VOutputswB嘉泰姆

-0.3 to 60swB嘉泰姆

VswB嘉泰姆

Power DissipationswB嘉泰姆

PDswB嘉泰姆

Internally limitedswB嘉泰姆

mWswB嘉泰姆

Thermal Resistance (SOP8)swB嘉泰姆
(Junction to Ambient, No Heatsink, Free Air)
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RJAswB嘉泰姆

100swB嘉泰姆

oC/WswB嘉泰姆

Operating Junction TemperatureswB嘉泰姆

TJswB嘉泰姆

-40 to 125swB嘉泰姆

oCswB嘉泰姆

Storage TemperatureswB嘉泰姆

TSTGswB嘉泰姆

-65 to 150swB嘉泰姆

oCswB嘉泰姆

Lead Temperature (Soldering, 10 sec)swB嘉泰姆

TLEADswB嘉泰姆

260swB嘉泰姆

oCswB嘉泰姆

ESD (HBM)swB嘉泰姆

 

>2000swB嘉泰姆

VswB嘉泰姆

八,相关芯片选择指南swB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)swB嘉泰姆
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十。Performance DataswB嘉泰姆
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十一.Populated Circuit Board PhotographswB嘉泰姆
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十二.PCB LayoutswB嘉泰姆
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 Note: swB嘉泰姆
1. Keep feedback wiring away from inductor and schottky.swB嘉泰姆
2. VIN, SW, LED+, LED- lines must be short and ground plane construction for best results.swB嘉泰姆
3. C3,R1,R2 and R3 are used for the designing with PWM dimming. If not with PWM dimming, R1 replaced swB嘉泰姆
with 0 ohm, C3,R2,R3 open.
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◀ 上一篇:CXLE86188A CXLE86188B高位电流检测技术2.5V~40V宽输入范围升压型白光LED恒流驱动芯片AC12V/DC12V输入电压7W(7X1W) 的驱动能力固定工作频率电流模式来调节LED电流抖频技术降低电磁干扰

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