The CXLE8647 is a constant current regulator for driving LEDs with low quiescent current and low dropout voltage. The current is adjustable from 10mA to1A with an external resistor. Only one external resistor is required to achieve a constant current LED driver. Soft start ,thermal protection and low voltage protection are also provided. The driver pin EXT is provided for current and voltage extension. Adding an external NMOS or NPN transistor to this pin can extend current and voltage range

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[ CXLE8647 ]"
目录
产品概述 返回TOP
The CXLE8647 is a constant current regulator for driving LEDs with low quiescent current and low dropout voltage. The current is adjustable from 10mA to1A with an external resistor. Only one external resistor is required to achieve a constant current LED driver. Soft start ,thermal protection and low voltage protection are also provided. The driver pin EXT is provided for current and voltage extension. Adding an external NMOS or NPN transistor to this pin can extend current and voltage range
产品特点 返回TOP
z Sink current:10mA to1A adjustable with an external resistor
z Current and voltage range extendable by adding an external NMOS or NPN transistor
z Power supply voltage: 2.7-18V
z Low drop out voltage: 50mV@1A
z Low quiescent current: 80uA
z Thermal Shutdown protection:165℃
z Soft start
z Low voltage protection: 2.5V
z Package:SOT89-5,ESOP8
应用范围 返回TOP
z Power Led driver
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产品封装图 返回TOP
电路原理图 返回TOP
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型号 |
工作电压 |
恒流值 |
工作电流 |
压差 |
工作结温 |
封装 |
说明 |
2.5-24V |
18mA/30mA |
SOT-23 |
|||||
2.5-24V |
60mA |
SOT-89 |
|||||
2.8-6.5V |
30mA--1.5A |
175uA |
350mV |
-125 |
SOP-8 |
||
2.7V-5.5V |
10mA-1.5A/PWM调光 |
250uA |
-125 |
ESOP-8 |
输入端可以扩展接400V高压 |
||
4-32V |
1A/可PWM/模拟调光 |
455uA |
900mV |
-190 |
ESOP8 |
||
4-28V |
5mA-60mA |
400uA |
150mV |
-165 |
SOT-25 |
可接N串5-60mA LED灯串 |
|
2.5-40V |
30-60mA/2通道/PWM数字调光 |
400uA |
-125 |
SOT89-5 |
可接2路N串30-60mA LED灯串 |
||
5.0-40V |
150mA/3通道/PWM数字调光 |
450uA |
250mV |
-140 |
ESOP8 |
可接3路N串150mA LED灯串 |
|
2.0-40V |
60/80/100mA |
55uA |
-125 |
SOT-89 |
可接N串60/80/100mA LED灯串 |
||
2.5-40V |
120/150mA |
55uA |
-125 |
SOT-223 |
可接N串120/150mA LED灯串 |
||
3.0-40V |
350/450mA |
55uA |
-125 |
TO-252 |
可接N串350/450mA LED灯串 |
||
2.7-18V/输入端可接高压 |
10mA-扩流2.5A |
80uA |
50mV |
-165 |
SOT89-5 |