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超级性价比 升压 1W LED驱动芯片ic

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产品名称: 超级性价比 升压 1W LED驱动芯片ic
产品型号: MH6205
产品厂商: 深圳市明和科技有限公司
产品文档: 无相关文档
产品价格: 0.00 元


简单介绍

超级性价比 升压 1W LED驱动芯片ic MH6205 工作电压:0.8~4V,输出电流:100~500mA,效率:80%,封装:SOT23,工作模式:升压,外围:电容、电感、二极管。可替换BL8532、2106及C310等方案。

超级性价比 升压 1W LED驱动芯片ic的详细介绍

超级性价比 升压 1W LED驱动芯片ic MH6205

是一款专为大功率0.5W/1W LED照明装置设计的专用集成电路。
仅需少量外围元件即可完成驱动LED灯的功能。该控制器具有
高转换效率、低启动电压:0.8V(最小值);可调输出电流等特点。
作为0.5W~1W LED升压驱动IC芯片极具性价比优势!

可替换:PAM2803、BL8532、ME2106、ZXC310等1W的应用领域
成本至少可节省0.1 RMB以上!

1W LED驱动芯片iC
工作电压: 1.5V-4V
输出电流: 120mA-450mA  
恒功率恒流驱动
>80%的效率(输入3V;输出3.3V/410mA)
TO-92,SOT-23封装
 
推荐应用
该款IC非常适合单节或是双节电池供电升压驱动单颗0.5W/1W 白光LED。
 
 

超级性价比 升压 1W LED驱动芯片ic 典型应用

1W LED升压恒流驱动 

Demo板实物
1W LED驱动电路

1W LED驱动芯片ic MH6205 测试数据

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测试条件: L=6.2uH/2A    Ci=1000uF/6.3V   CO=1000uF/6.3V   D=1N5819
   
Vin                       Iin                       Vout                      Iout                      η
3V(2.956)            500mA                  2.954V                  420mA                 83.9%
2.5V(2.496)         410mA                  2.886V                  300mA                 84.6%
2.4V(2.374)         390mA                  2.879V                  270mA                 83.9%
2.0V(1.997)         340mA                  2.836V                  200mA                 83.5%
--------------------------------------------------------------------------------------------------------
测试条件: L=6.2uH/2A     Ci/Co = 22uF/6.3V    D=1N5819
 
Vin                       Iin                        Vout                     Iout                      η
2.40V                  680mA                  3.400V                  360mA                 75.0%
2.19V                  620mA                  3.217V                  310mA                 73.0%
2.07V                  580mA                  3.158V                  260mA                 68.0%
1.69V                  500mA                  3.132V                  200mA                 74.0%
1.531V                460mA                  3.090V                  160mA                 70.0%
1.485V                450mA                  3.050V                  140mA                 63.8%
---------------------------------------------------------------------------------------------------------
测试条件: L=10uH/2A(绕线电感) Ci/Co = 22uF/6.3V   D=SS14 

Vin                       Iin                         Vout                     Iout                     η        
0.9V                    190mA                    2.63V                  48mA                  73.8%
1.0V                    200mA                    2.65V                  58mA                  76.8%
1.1V                    210mA                    2.66V                  63mA                  72.5%
1.2V                    220mA                    2.67V                  73mA                  73.8%
1.3V                    240mA                    2.69V                  85mA                  73.2%
1.4V                    250mA                    2.70V                  99mA                  76.3%    
1.5V                    270mA                    2.72V                  114mA                76.5%
1.6V                    290mA                    2.73V                  130mA                76.5%
1.7V                    310mA                    2.75V                  150mA                78.3%
1.8V                    330mA                    2.76V                  167mA                77.6%
1.9V                    350mA                    2.78V                  190mA                79.4%
2.0V                    360mA                    2.79V                  206mA                79.8%
2.1V                    370mA                    2.80V                  220mA                79.2%
2.2V                    380mA                    2.81V                  239mA                80.0%
2.3V                    400mA                    2.82V                  256mA                78.4%
2.4V                    410mA                    2.83V                  274mA                78.8%
2.5V                    420mA                    2.83V                  296mA                79.7%
2.6V                    420mA                    2.83V                  308mA                79.8%
2.7V                    430mA                    2.84V                  329mA                80.5%
2.8V                    500mA                    2.89V                  398mA                82.0%
2.9V                    620mA                    2.93V                  493mA                80.0%
3.0V                    720mA                    2.97V                  578mA                79.5%
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注:以上数据因测试时输入端线降及LED Vf值差异,所以数据并不绝对准确。
实际效率还能更高。以上数据仅供参考。


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