CXLE82121是一个降压转换器，专为驱动高亮度LED而设计。该装置的输入电压在7V到36V之间，驱动电流从几毫安到1A。该装置内置过载保护，以防止出现操作故障情况。
工作电压：7V至36V
输出驱动电流高达1A（1×LED）
内部脉冲宽度调制滤波器
关断电流<20μA（典型值）
数字调光控制
热过载保护
LED保护开路/短路
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[ CXLE82121 ]
目录
7.相关产品
产品概述 返回TOP
The CXLE82121 is a step-down converter, designed for driving high-brightness LED. The device operates over a 7V to 36V input voltage and driving current from few milliamps up to 1A. The device built-in Overload Protection to prevent operating fails condition.
产品特点 返回TOP
Operating Voltage: 7V to 36V
Output driving current up to 1A (1 × LED)
Internal PWM filter
Shutdown Current<20μA (Typ)
Digital Dimming Control
Thermal Overload Protection
Open/Shorted LED Protection
SOP-8, SOT-23-5 and SOT-89-5 Package
应用范围 返回TOP
GPS Navigation System
Compact Back Light Module
Constant Current Source
LED Module
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产品封装图 返回TOP
电路原理图 返回TOP
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Lighting Driver |
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Part NO. |
Vin(V) min. |
Vin(V) max. |
FSW (kHz) |
Dimmi- mg(kHz) |
Vsen- se(mV |
RON (Ohm) |
Internal MOSFET |
Note |
Package |
|
6.5 |
36 |
500 |
-- |
120 |
0.3 |
Y |
Digital/Analog Dimming Control,OTP, SS, MultiTopology LED Driver, UVP, OCP, OVP |
TDFN3X3-12 MSOP-10(FD) |
|
|
7 |
36 |
420 |
0.1~1 |
100 |
-- |
N |
Digital/Analog Dimming Control, OTP, Open LED Protection |
MSOP-8(FD) SOT-23-5 |
|
|
7 |
36 |
Choke setting |
0.1~1 |
100 |
0.5 |
Y |
Digital/Analog Dimming Control,OTP, Open/Shorted LED Protection |
SOT-23-5 |
|
|
7 |
36 |
Choke setting |
0.1~1 |
100 |
0.5 |
Y |
Digital/AnalogDimming Control,OTP, Open/Shorted LED Protection |
SOT-23-5 |
|
|
7.2 |
12 |
Offtime setting |
-- |
300 |
-- |
N |
AC Input Range(80VAC–277VAC),PFC,Triac Dimmable Offline LED Driver,UVP,OTP,OCP |
MSOP-8/ MSOP-10 |
|
|
7.2 |
12 |
Off time setting |
-- |
239 |
-- |
N |
AC Input Range(80VAC–277VAC),Offline LED Lamps,UVLO, OTP, OCP |
SOP-8 |
|
|
2 |
5.5 |
-- |
-- |
ADJ |
-- |
N |
DimmableLinear LED controller with High PF |
SOT-23-5 |
|
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