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有没有LCD屏幕背光恒流源，电压9v-9.5v，电流260ma，有没有相关方案或芯片？
Hi
恒流方案，输入电压是多少？
http://www.ti.com.cn/lsds/ti_zh/power-management/lcd-oled-display-bias-solutions-products.page#p2299=LCD Bipolar;LCD Unipolar
是需要一个简单的恒流DC/DC，还是如上LCD的方案？
输入电压4.2v，能满足条件，那个方案都行，尽量外围元件少，驱动十寸屏幕
