Cxle86148 is a single channel high-voltage linear constant current LED driver chip, which is specially designed for low-power LED lamps; cxle86148 uses linear constant current technology to set the driving current of LED lamp string through external resistance; cxle86148 uses high side filling patent technology, and the power output voltage can flexibly match different LED lamp string voltages, and can be arbitrarily matched with various LEDs The scheme of two filament lamps connected in series can also be applied to low-power LED bulb lamp to reduce the number of beads and save the system cost. High voltage linear drive IC for low power 1 ~ 4.5w applications; high side patented valley filling technology; linear adjustment rate close to 0%; lamp string load voltage dc120v-200v
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[ CXLE86148 ]"
目录
7.相关产品
产品概述 返回TOP
CXLE86148是一款单通道高压线性恒流LED驱动芯片，是专门针对小功率LED灯具的高压线性恒流芯片；CXLE86148采用线性恒流技术，通过外部电阻设定LED灯串的驱动电流；CXLE86148采用Highside填谷专利技术，电源输出电压可以灵活匹配不同的LED灯串电压，可以任意搭配各种LED灯丝灯两根串联的方案，也可以应用于小功率LED球泡灯，降低灯珠数量，节省系统成本。专门针对小功率1~4.5W应用的高压线性驱动IC；High-side专利填谷技术；线性调整率接近0%；灯串负载电压DC120V-200V；产品特点 返回TOP
输出恒流设置5~40mA
输出电压可适应最低100V 灯串电压
宽电压、无频闪、100%灯珠利用率
芯片间恒流精度偏差<+/-4%
具有温度补偿和过热保护功能
线路简单，电源系统成本低
EMC、防浪涌等认证成本低
ESOP8封装
应用范围 返回TOP
n LED灯丝灯 2瓦、4瓦
n 小功率LED球泡灯 3瓦、5瓦
n 小功率LED射灯、筒灯、硅胶灯等
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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元件编号 |
种类 |
元件规格 |
参数名称 |
性能指标 |
|
|
B1 |
贴片整流桥 |
MB6F/600V/0.8A |
输入电压 |
220V+/-20% |
|
|
R1 |
贴片电阻 |
0603/30R/1% |
输出电压 |
最低可100V |
|
|
R2 |
贴片电阻 |
0603/62K/10% |
电源效率 |
80~85%@220V |
|
|
R3 |
贴片电阻 |
0805/18R/10% |
功率因数 |
0.2~0.4 |
|
|
C1 |
电解电容 |
2.2uF/400V |
线性调整率 |
近似为0 |
|
|
C2 |
贴片电容 |
0603/200nF/16V |
频闪深度 |
无频闪 |
|
|
N1 |
开关管 |
SDS1055/SOT89/1A500V |
|||
|
U1 |
芯片 |
SDS3105/ESOP8 |
|||
|
LED |
灯珠 |
100~240V |
相关芯片选择指南 返回TOP 更多同类产品......
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单通道高压线性降压调光IC |
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产品型号 |
输入电压 |
对应输出 |
最大输出 |
功率因数 |
最大输出 |
输出 |
效率 |
封装形式 |
备注 |
|
(V) |
电压(V) |
功率(W) |
电流(mA) |
电流精度 |
|||||
|
90-130 |
120-130 |
6~3 |
0.5-0.9 |
80 |
<±3% |
0.85 |
SOT89 |
||
|
180-265 |
240-260 |
12~6 |
|||||||
|
90-130 |
120-130 |
8~4 |
0.5-0.9 |
80 |
<±3% |
85% |
ESOP8 |
||
|
180-265 |
240-260 |
8~16 |
|||||||
|
90-130 |
120-130 |
12.5-6 |
0.5-0.9 |
80 |
<±3% |
85% |
TO252 |
||
|
180-265 |
240-260 |
20-12.5 |
|||||||
|
90-130 |
120-130 |
12.5-6 |
0.5-0.9 |
80 |
<±3% |
85% |
TO252 |
||
|
180-265 |
240-260 |
20-12.5 |
|||||||
|
90-130 |
120-130 |
3 |
0.3 |
40 |
<±3% |
85% |
ESOP8 |
灯丝灯小功率灯具专用 |
|
|
180-265 |
240-260 |
6 |
|||||||
|
90-130 |
120-130 |
9~5 |
0.5-0.9 |
60 |
<±3% |
90% |
ESOP8 |
||
|
180-265 |
240-260 |
9~18 |
|||||||
|
90-130 |
120-130 |
9~5 |
0.5-0.9 |
60 |
<±3% |
90% |
ESOP8 |
pwm调光 |
|
|
180-265 |
240-260 |
9~18 |
|||||||
|
90-130 |
120-130 |
9~5 |
0.5-0.9 |
60 |
<±3% |
90% |
ESOP8 |
开关调光 |
|
|
180-265 |
240-260 |
9~18 |
|||||||
|
90-130 |
100~120V |
9~18 |
0.5-0.9 |
40 |
<+/-4% |
90% |
ESOP8 |
pwm调光 |
|
|
180-265 |
240-260 |
9~18 |
|||||||
|
90-130 |
100~120V |
3~13 |
0.5-0.9 |
80 |
<+/-5% |
90% |
ESOP8 |
pwm调光 |
|
|
180-265 |
240-260 |
3~13 |
|||||||
