The CXLE8838 is a 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 0V and 5.5V and provides an
externally adjustable output current of up to 700mA. Depending upon the
supply voltage and external components, the CXLE8838 can drive 3 watts of LED.
The CXLE8838 includes the power switch which operating frequency up to 1.4MHz.
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[ CXLE8838 ]"
目录
1.产品概述 2.产品特点
3.应用范围 4.下载产品资料PDF文档
5.产品封装图 6.电路原理图
7.功能概述 8.相关产品
一,产品概述(General Description)
The CXLE8838 is a 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 0V and 5.5V and provides an externally adjustable output current of up to 700mA. Depending upon the supply voltage and external components, the CXLE8838 can drive 3 watts of LED.
The CXLE8838 includes the power switch which operating frequency up to 1.4MHz.
The CXLE8838 package.is available in SOT-23-5L
二.产品特点(Features)
Input voltage range: 0V to 5.5V
Programmable LED Drive Current : up to 700mA
Operating Frequency: 1.4MHz
Quiescent Current: 320uA
High efficiency (up to 93%)
Low Profile SOT-23-5L Package (lead-free packaging is now available)
三,应用范围 (Applications)
Automotive lighting
Low voltage industrial lighting
LED back-up lighting
Constant Current Source
RGB High Brightness LED lighting
四.技术规格书下载（产品PDF）
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！
五,产品封装图 (Package)
|
PIN |
PIN NAME |
FUNCTION |
|
1 |
EN |
ON/OFF Control |
|
2 |
GND |
Ground |
|
3 |
SW |
Switch Output |
|
4 |
VIN |
Input |
|
5 |
FB |
Feedback Pin |
六.电路原理图
七,功能概述
Supply Voltage………………………………………………………………..........….….−0.3V to 6.5V
SW Pin Voltage……………………...………………………..…….…….......................−0.3V to 6.5V
Other I/O Pin Voltages……………………….………...…………………...…−0.3V to (VDD + 0.3V)
SW Pin Current ……………………….………….………..…....…………………………………..1.3A
Operating Junction Temperature……….……………………………......……………………. 125°C
Storage Temperature Range……………………………………..….……………… −65°C ~ +150°C
Lead Temperature (Soldering 10 sec) ….…………………………......………………………. 300°C
八,相关芯片选择指南 更多同类产品......
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降压型LED射灯驱动IC |
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|
型号 |
工作电压范围 |
输出电流 |
输出电 流精度 |
线性调 整率 |
效率 |
工作频率 |
调光功能 |
封装 |
|
6V-40V |
1.2A |
3% |
1.50% |
98% |
1MHz(max) |
PWM调光 |
ESOP8 |
|
|
6V-40V |
1.2A |
3% |
1.50% |
98% |
1MHz(max) |
PWM调光 |
SOT-26 |
|
|
6V-60V |
1.2A |
2% |
94% |
1.1MHz |
PWM/模拟 调光 |
SOT-89-5 |
||
|
2V-6.5V |
0.95A |
10% |
0.45% |
92% |
1.4 MHz |
PWM调光 |
SOT-25 |
|
|
2.5V-5.5V |
0.7A |
3% |
93% |
1.4MHz |
PWM调光 |
SOT-25 |
||
|
5.5V-36V |
扩流2.5A |
1% |
96% |
1MHz |
PWM调光 |
SOT-26 |
||
|
4V--28V |
扩流25W |
1% |
96% |
2MHz |
PWM/模拟 调光 |
SOT-26 |
||
|
2.5V-100V |
扩流2.5A |
1% |
90% |
1MHz |
PWM调光 |
SOT-26 |
||
|
5-100V |
1.5A |
1% |
92% |
1MHz |
PWM/模拟 调光 |
ESOP8 |
||
|
5-100V |
2.5A |
1% |
92% |
1MHz |
PWM/模拟 调光 |
ESOP8 |
||
|
6V-100V |
扩流3A |
3% |
95% |
200KHz |
PWM调光 |
SOT-26 |
||
|
8V-45V |
3A |
3% |
95% |
220KHz |
ESOP8 |
|||
|
8V-40V |
4A |
3% |
95% |
220KHz |
PWM调光 |
TO252-5L |
||
|
8V-40V |
5A |
3% |
95% |
220KHz |
TO263-5L |
|||
|
5V-36V |
1.5A |
2% |
96% |
380KHz |
PWM调光 |
SOP-8 |
||
|
4.5V-45V |
2A |
2% |
83% |
150KHz |
PWM调光 |
ESOP8 |
||
|
8V-45V |
3A |
2% |
89% |
150KHz |
ESOP8 |
|||
|
8V-40V |
3A |
2% |
89% |
180KHz |
SOP8 |
|||
|
8V-40V |
3.5A |
2% |
87% |
180KHz |
PWM调光 |
ESOP8 |
||
|
8V-40V |
2A |
2% |
89% |
110KHz |
SOP8 |
|||
|
7V-40V |
2.5A |
2% |
89% |
250KHz |
ESOP8 |
|||
|
8V-40V |
5A |
2% |
86% |
150KHz |
TO263-5L |
|||
|
6V-40V |
1.2A |
3% |
1.50% |
98% |
1MHz(max) |
PWM调光 |
SOT89-5 |
|
|
6V-34V |
1.0A |
5% |
1.50% |
97% |
1MHz(max) |
PWM/模拟 调光 |
SOT89-5 |
|
