HV9910是一种 PWM 高效高亮度 LED 驱动器控制IC。该驱动器芯片可提供从几毫安到超过1A 的恒定电流,具体输出电流由引脚 CS 外部电流传感电阻设置。HV9910输入 DC 电压范围为8～450Vdc,也可以利用经全波整流的85～265Vac 的离线通用输...HV9910是一种 PWM 高效高亮度 LED 驱动器控制IC。该驱动器芯片可提供从几毫安到超过1A 的恒定电流,具体输出电流由引脚 CS 外部电流传感电阻设置。HV9910输入 DC 电压范围为8～450Vdc,也可以利用经全波整流的85～265Vac 的离线通用输入工作。HV9910可以被配置成离线降压、升压或步降变换器,驱动从1个到100个以上的 LED 串或 LED 阵列,并可提供线性调光或 PWM 调光输入。HV9910的应用领域包括 DC/DC 或 AC/DC LED 驱动器、红、绿、蓝背光 LED 驱动器、平板显示器背光 LED驱动器、通用恒流源、装饰照明、汽车及充电器等。封装及引脚功能HV9910采用8引脚 DIP、8引脚 SO 和16引脚展开更多
The ASEAN foreign minister meeting of 2006 was held in Kuala Lumpur,Malaysia. This meeting reflected ASEAN’s strategy to enforce the internal integration and develop the external cooperation. Now ASEAN has gradually ...The ASEAN foreign minister meeting of 2006 was held in Kuala Lumpur,Malaysia. This meeting reflected ASEAN’s strategy to enforce the internal integration and develop the external cooperation. Now ASEAN has gradually controlled the domination of Asia-Pacific region by using of the struggle of big powers.展开更多
In the second round of the president election in Indonesia,Susilo achieved victory and became the sixth president of Indonesia since independence in1945.The reasons of Susilo’s victory are voters’minds for changing,...In the second round of the president election in Indonesia,Susilo achieved victory and became the sixth president of Indonesia since independence in1945.The reasons of Susilo’s victory are voters’minds for changing,the successful election strategy and division of the other party.After coming to power,Susilo will face a series of challenges in politics,econˉomy,security,society,and diplomacy fields.展开更多
文摘HV9910是一种 PWM 高效高亮度 LED 驱动器控制IC。该驱动器芯片可提供从几毫安到超过1A 的恒定电流,具体输出电流由引脚 CS 外部电流传感电阻设置。HV9910输入 DC 电压范围为8～450Vdc,也可以利用经全波整流的85～265Vac 的离线通用输入工作。HV9910可以被配置成离线降压、升压或步降变换器,驱动从1个到100个以上的 LED 串或 LED 阵列,并可提供线性调光或 PWM 调光输入。HV9910的应用领域包括 DC/DC 或 AC/DC LED 驱动器、红、绿、蓝背光 LED 驱动器、平板显示器背光 LED驱动器、通用恒流源、装饰照明、汽车及充电器等。封装及引脚功能HV9910采用8引脚 DIP、8引脚 SO 和16引脚
文摘The ASEAN foreign minister meeting of 2006 was held in Kuala Lumpur,Malaysia. This meeting reflected ASEAN’s strategy to enforce the internal integration and develop the external cooperation. Now ASEAN has gradually controlled the domination of Asia-Pacific region by using of the struggle of big powers.
文摘In the second round of the president election in Indonesia,Susilo achieved victory and became the sixth president of Indonesia since independence in1945.The reasons of Susilo’s victory are voters’minds for changing,the successful election strategy and division of the other party.After coming to power,Susilo will face a series of challenges in politics,econˉomy,security,society,and diplomacy fields.
