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首页 > 产品中心 > LED驱动电路 > 升降压型线性恒流LED驱动IC > 升压恒流LED驱动 >CXLE8601调节器是固定频率的PWM升压LED恒流驱动器1W LED单元线路负载调节宽3.6V至24V输入电压范围PWM控制电路将占空比从0%线性调整到95% 2A开关电流能力
CXLE8601调节器是固定频率的PWM升压LED恒流驱动器1W LED单元线路负载调节宽3.6V至24V输入电压范围PWM控制电路将占空比从0%线性调整到95% 2A开关电流能力
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CXLE8601调节器是固定频率的PWM升压LED恒流驱动器,可驱动系列1W LED单元线路和负载调节。调节器使用简单,因为它包括内部频率补偿和固定频率振荡器需要最少数量的外部组件才能工作。CXLE8602可以直接驱动6系列1W LED单元。CXLE8601调节器是固定频率的PWM升压(升压)LED恒流驱动器,可驱动系列1W LED单元线路和负载调节。调节器使用简单,因为它包括内部频率补偿和固定频率振荡器需要最少数量的外部组件才能工作。CXLE8601可以直接驱动5~8系列1W发光二极管(LED)单元,电压(VIN)>12V。该PWM控制电路能够将占空比从0%线性调整到95%。一个使能功能,一个过电流保护功能内置。内置一个内部补偿块以最小化外部组件计数。
宽3.6V至24V输入电压范围
0.22V FB可调LED驱动电流
直接驱动6系列1W LED
车辆识别号>=12V
固定400KHz开关频率
最大2A开关电流能力
效率高达92%
优良的线路和负载调节
EN引脚TTL关闭能力
内优化功率MOSFET
内置软启动功能
内置频率补偿
内置热关机功能
内置限流功能

CXLE8601调节器是固定频率的PWM升压LED恒流驱动器1W LED单元线路负载调节宽3.6V至24V输入电压范围PWM控制电路将占空比从0%线性调整到95% 2A开关电流能力
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产品简介

目录klU嘉泰姆

1.产品概述       2.产品特点     3.应用范围      4.技术规格书下载(产品PDF文档) klU嘉泰姆
5.产品封装图   6.电路原理图  7.功能概述      8.相关产品
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一,产品概述(General Description)      klU嘉泰姆


      The CXLE8602 regulator is fixed frequency PWM Boost (step-up) LEDklU嘉泰姆
constant current driver,capable of driving Series 1W LED units with excellentklU嘉泰姆
line and load regulation. The regulator is simple to use because it includesklU嘉泰姆
internal frequency compensation and a fixed-frequency oscillator so that itklU嘉泰姆
requires a minimum number of external components to work.klU嘉泰姆
     The CXLE8602 could directly drive 6 Series 1W LED units at VIN>12V . klU嘉泰姆
     The CXLE8601 regulator is fixed frequency PWM Boost (step-up) LEDklU嘉泰姆
constant current driver,capable of driving Series 1W LED units with excellentklU嘉泰姆
line and load regulation. The regulator is simple to use because it includesklU嘉泰姆
internal frequency compensation and a fixed-frequency oscillator so that itklU嘉泰姆
requires a minimum number of external components to work.klU嘉泰姆
     The CXLE8601 could directly drive 5~8 Series 1W LED units at VIN>12V .klU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.klU嘉泰姆
二.产品特点(Features)
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Wide 3.6V to 24V Input Voltage RangeklU嘉泰姆
0.22V FB adjustable LED drive currentklU嘉泰姆
Directly drive 6 Series 1W LED atklU嘉泰姆
VIN>=12VklU嘉泰姆
Fixed 400KHz Switching FrequencyklU嘉泰姆
Max. 2A Switching Current CapabilityklU嘉泰姆
Up to 92% efficiencyklU嘉泰姆
Excellent line and load regulationklU嘉泰姆
EN PIN TTL shutdown capabilityklU嘉泰姆
Internal Optimize Power MOSFETklU嘉泰姆
Built in Soft-Start FunctionklU嘉泰姆
Built in Frequency CompensationklU嘉泰姆
Built in Thermal Shutdown FunctionklU嘉泰姆
Built in Current Limit FunctionklU嘉泰姆
Available in SOP8L packageklU嘉泰姆
三,应用范围 (Applications)klU嘉泰姆
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LED LightingklU嘉泰姆
Boost constant current driverklU嘉泰姆
Monitor LED BacklightingklU嘉泰姆
7’ to 15’ LCD PanelsklU嘉泰姆
四.技术规格书下载(产品PDF)klU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!klU嘉泰姆

 QQ截图20160419174301.jpgklU嘉泰姆

五,产品封装图 (Package)klU嘉泰姆
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blob.png
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Pin NumberklU嘉泰姆

Pin NameklU嘉泰姆

DescriptionklU嘉泰姆

1klU嘉泰姆

ENklU嘉泰姆

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

VINklU嘉泰姆

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

FBklU嘉泰姆

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

4klU嘉泰姆

NCklU嘉泰姆

No Connected.klU嘉泰姆

5,6klU嘉泰姆

SWklU嘉泰姆

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

GNDklU嘉泰姆

Ground Pin.klU嘉泰姆

六.电路原理图klU嘉泰姆
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blob.pngklU嘉泰姆
七,功能概述klU嘉泰姆
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ParameterklU嘉泰姆

SymbolklU嘉泰姆

ValueklU嘉泰姆

UnitklU嘉泰姆

Input VoltageklU嘉泰姆

VinklU嘉泰姆

-0.3 to 26klU嘉泰姆

VklU嘉泰姆

Feedback Pin VoltageklU嘉泰姆

VFBklU嘉泰姆

-0.3 to VinklU嘉泰姆

VklU嘉泰姆

EN Pin VoltageklU嘉泰姆

VENklU嘉泰姆

-0.3 to VinklU嘉泰姆

VklU嘉泰姆

Output Switch Pin VoltageklU嘉泰姆

VOutputklU嘉泰姆

-0.3 to 60klU嘉泰姆

VklU嘉泰姆

Power DissipationklU嘉泰姆

PDklU嘉泰姆

Internally limitedklU嘉泰姆

mWklU嘉泰姆

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

100klU嘉泰姆

oC/WklU嘉泰姆

Operating Junction TemperatureklU嘉泰姆

TJklU嘉泰姆

-40 to 125klU嘉泰姆

oCklU嘉泰姆

Storage TemperatureklU嘉泰姆

TSTGklU嘉泰姆

-65 to 150klU嘉泰姆

oCklU嘉泰姆

Lead Temperature (Soldering, 10 sec)klU嘉泰姆

TLEADklU嘉泰姆

260klU嘉泰姆

oCklU嘉泰姆

ESD (HBM)klU嘉泰姆

 

>2000klU嘉泰姆

VklU嘉泰姆

八,相关芯片选择指南klU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

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