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LED驱动芯片 高效充电泵白光 LED 驱动器
The A8435 high efficiency charge pump IC offer a simple, low-cost white LED driver solution for portable electronics display applications. Using a proprietary control scheme (1, 1.5), the A8435 can output well-matched currents for up to 4 LEDs, while maintaining the highest efficiency over most of the Li-ion battery lifetime.
The A8435 accepts an input range of 2.7 to 5.5 V and delivers up to 30 mA for each of the four regulated current sources. The A8435 can deliver a total output current of 120 mA, meeting the requirements of most Li-ion battery-powered white LED backlight applications. Outputs can also be tied together for WLED flash/torch applications.
The A8435 offers flexible options for LED current driving. The LED current can be set by any of the following methods: (a) choosing an appropriate value for RSET, (b) 2-bit parallel control with 3 levels, (c) PWM control, or (d) serial programming.
The A8435 is available in a very thin profile 0.75 mm (nominal height) 3 3 mm MLP-16 package (ES), fitting the needs of space-conscious applications.
销售:电子元件,霍尔开关,电流传感器,电机驱动芯片,二三极管 电阻电容 接插件 全套ic配套等
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