SGM3133 driver equivalent, 4-channel charge pump white led driver.
* Input Voltage Range: 2.7V to 5.5V
* Drives up to 4 LEDs at 20mA Each
* 16-Step Brightness Control
* High Efficiency by Fractional Conversion with
1× and.
User can easily configure each LED current from 1.25mA to 20mA by a pulse dimming control. The dimming of white LEDs cu.
The SGM3133 is a high efficiency and cost effective charge pump white LED driver. It supports up to 4 white LEDs and regulates a constant current for uniform intensity. The part maintains the high efficiency by utilizing a 1×/1.5× fractional charge p.
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