CXLE8621是一款20V/1.2A高效降压恒流LED驱动器，设计用于驱动单系列或多系列
有效连接LED。该装置通过4V至20V之间的输入电源工作，并提供外部
可调输出电流高达1.2A。根据电源电压和外部部件，CXLE8621可以
提供10瓦LED
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目录
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产品概述 返回TOP
The CXLE8621 is a 20V/1.2A high-efficiency buck constant-current LED driver, designed for driving single or multiple series
connected LED efficiently. The device operates from an input supply between 4V and 20V and provides an externally
adjustable output current of up to 1.2A. Depending upon the supply voltage and external components, the CXLE8621 can
provide 10 watts of LED.
The CXLE8621 includes the power switch which operating frequency up to 600kHz. The CXLE8621 is available in
SOT-23-6L Package.
产品特点 返回TOP
Ø Wide Input Voltage Range: 4V ～ 20V
Ø Programmable LED Drive Current: 10mA to 1.2A
Ø Typical 5% Output Current Accuracy
Ø High Efficiency: up to 95%
Ø Adjustable Constant LED Current
Ø Available in a SOT-23-6L Package
应用范围 返回TOP
Ø Low voltage halogen replacement LEDs
Ø Automotive lighting
Ø Low voltage industrial lighting
Ø Constant Current Source
Ø SELV lighting
Ø RGB High Brightness LED lighting
Ø LCD TV backlighting
Ø LED back-up lighting
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产品封装图 返回TOP
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电路原理图 返回TOP
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DC-DC升压 |
|||||
|
Model |
VIN (V) |
VOUT (V) |
I |
F(MHz) |
Package |
|
1V ～ 4.4V |
2.5V ～ 5V |
500mA |
1.4MHz |
SOT-23-6L |
|
|
2V ～ 4.5V |
2.5V ～ 5.5V |
3A |
400kHz |
SOP8/PP |
|
|
2.5V ～ 5V |
2.8V ～ 5.5V |
2.5A |
400kHz |
SOP-8L/DFN3*3-8L |
|
|
2.5V ～ 5V |
2.8V ～ 5.5V |
2A |
400kHz |
SOT-23-6L |
|
|
2.2V~5V |
18V |
700MA |
1MHZ |
SOT-23-6L |
|
|
2.2V to 6V |
26V |
1A |
1MHZ |
SOT-23-6L |
|
|
4V ～ 20V |
20V |
1.2A |
1MHZ |
SOT-23-6L |
|
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