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)         r99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。r99嘉泰姆

r99嘉泰姆
The CXLE8602 regulator is fixed frequency PWM Boost (step-up) LEDr99嘉泰姆
constant current driver,capable of driving Series 1W LED units with excellentr99嘉泰姆
line and load regulation. The regulator is simple to use because it includesr99嘉泰姆
internal frequency compensation and a fixed-frequency oscillator so that itr99嘉泰姆
requires a minimum number of external components to work.r99嘉泰姆
     The CXLE8602 could directly drive 6 Series 1W LED units at VIN>12V . r99嘉泰姆
     The CXLE8601 regulator is fixed frequency PWM Boost (step-up) LEDr99嘉泰姆
constant current driver,capable of driving Series 1W LED units with excellentr99嘉泰姆
line and load regulation. The regulator is simple to use because it includesr99嘉泰姆
internal frequency compensation and a fixed-frequency oscillator so that itr99嘉泰姆
requires a minimum number of external components to work.r99嘉泰姆
     The CXLE8601 could directly drive 5~8 Series 1W LED units at VIN>12V .r99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.
r99嘉泰姆

核心优势

  1. 宽压高效驱动r99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。r99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。r99嘉泰姆

  2. 精准控制与保护r99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。r99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。r99嘉泰姆

  3. 高度集成设计r99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。r99嘉泰姆

    • SOP8紧凑封装,节省PCB空间,适配小型化设备。r99嘉泰姆

技术亮点

r99嘉泰姆
r99嘉泰姆
二.产品特点(Features)r99嘉泰姆

r99嘉泰姆
Wide 3.6V to 24V Input Voltage Ranger99嘉泰姆
0.22V FB adjustable LED drive currentr99嘉泰姆
Directly drive 6 Series 1W LED atr99嘉泰姆
VIN>=12Vr99嘉泰姆
Fixed 400KHz Switching Frequencyr99嘉泰姆
Max. 2A Switching Current Capabilityr99嘉泰姆
Up to 92% efficiencyr99嘉泰姆
Excellent line and load regulationr99嘉泰姆
EN PIN TTL shutdown capabilityr99嘉泰姆
Internal Optimize Power MOSFETr99嘉泰姆
Built in Soft-Start Functionr99嘉泰姆
Built in Frequency Compensationr99嘉泰姆
Built in Thermal Shutdown Functionr99嘉泰姆
Built in Current Limit Functionr99嘉泰姆
Available in SOP8L packager99嘉泰姆
三,应用范围 (Applications)r99嘉泰姆
r99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。r99嘉泰姆

LED Lightingr99嘉泰姆
Boost constant current driverr99嘉泰姆
Monitor LED Backlightingr99嘉泰姆
7’ to 15’ LCD Panels
r99嘉泰姆

四.技术规格书下载(产品PDF)r99嘉泰姆
r99嘉泰姆

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!r99嘉泰姆

 QQ截图20160419174301.jpgr99嘉泰姆

五,产品封装图 (Package)r99嘉泰姆
r99嘉泰姆
blob.png
r99嘉泰姆

Pin Numberr99嘉泰姆

Pin Namer99嘉泰姆

Descriptionr99嘉泰姆

1r99嘉泰姆

ENr99嘉泰姆

Enable Pin. Drive EN pin low to turn off the device, drive itr99嘉泰姆
high to turn it on. Floating is default high.
r99嘉泰姆

2r99嘉泰姆

VINr99嘉泰姆

Supply Voltage Input Pin. CXLE8602 operates from a 3.6V to 24Vr99嘉泰姆
DC voltage. Bypass Vin to GND with a suitably large capacitorr99嘉泰姆
to eliminate noise on the input.
r99嘉泰姆

3r99嘉泰姆

FBr99嘉泰姆

Feedback Pin (FB). The feedback threshold voltage is 0.22V.r99嘉泰姆

4r99嘉泰姆

NCr99嘉泰姆

No Connected.r99嘉泰姆

5,6r99嘉泰姆

SWr99嘉泰姆

Power Switch Output Pin (SW). Output is the switch node thatr99嘉泰姆
supplies power to the output.
r99嘉泰姆

7,8r99嘉泰姆

GNDr99嘉泰姆

Ground Pin.r99嘉泰姆

六.电路原理图r99嘉泰姆
r99嘉泰姆
blob.pngr99嘉泰姆
七,功能概述r99嘉泰姆
r99嘉泰姆

Parameterr99嘉泰姆

Symbolr99嘉泰姆

Valuer99嘉泰姆

Unitr99嘉泰姆

Input Voltager99嘉泰姆

Vinr99嘉泰姆

-0.3 to 26r99嘉泰姆

Vr99嘉泰姆

Feedback Pin Voltager99嘉泰姆

VFBr99嘉泰姆

-0.3 to Vinr99嘉泰姆

Vr99嘉泰姆

EN Pin Voltager99嘉泰姆

VENr99嘉泰姆

-0.3 to Vinr99嘉泰姆

Vr99嘉泰姆

Output Switch Pin Voltager99嘉泰姆

VOutputr99嘉泰姆

-0.3 to 60r99嘉泰姆

Vr99嘉泰姆

Power Dissipationr99嘉泰姆

PDr99嘉泰姆

Internally limitedr99嘉泰姆

mWr99嘉泰姆

Thermal Resistance (SOP8)r99嘉泰姆
(Junction to Ambient, No Heatsink, Free Air)
r99嘉泰姆

RJAr99嘉泰姆

100r99嘉泰姆

oC/Wr99嘉泰姆

Operating Junction Temperaturer99嘉泰姆

TJr99嘉泰姆

-40 to 125r99嘉泰姆

oCr99嘉泰姆

Storage Temperaturer99嘉泰姆

TSTGr99嘉泰姆

-65 to 150r99嘉泰姆

oCr99嘉泰姆

Lead Temperature (Soldering, 10 sec)r99嘉泰姆

TLEADr99嘉泰姆

260r99嘉泰姆

oCr99嘉泰姆

ESD (HBM)r99嘉泰姆

 

>2000r99嘉泰姆

Vr99嘉泰姆

八,相关芯片选择指南r99嘉泰姆
r99嘉泰姆

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)r99嘉泰姆
r99嘉泰姆
十。Performance Datar99嘉泰姆
r99嘉泰姆
十一.Populated Circuit Board Photographr99嘉泰姆
   r99嘉泰姆
十二.PCB Layoutr99嘉泰姆
r99嘉泰姆
 Note: r99嘉泰姆
1. Keep feedback wiring away from inductor and schottky.r99嘉泰姆
2. VIN, SW, LED+, LED- lines must be short and ground plane construction for best results.r99嘉泰姆
3. C3,R1,R2 and R3 are used for the designing with PWM dimming. If not with PWM dimming, R1 replaced r99嘉泰姆
with 0 ohm, C3,R2,R3 open.
r99嘉泰姆
 r99嘉泰姆

◀ 上一篇:CXLE8627低压差线性降压固定输出电流的LED恒流驱动器内置过热保护功能自带软启动通过多芯片并联的方式扩展LED的电流驱动能力

返回顶部

下一篇▶:CXLE8603升压恒流LED驱动器 - 5V-40V宽压输入,驱动10串1W LED,93%高效