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产品叙述
BD6586MUV是将最大可升压至24V的PWM方式DC/DC转换器和最大可驱动25mA的电流驱动器集于一身的白色LED驱动器。通过外部PWM信号对IC的电源控制引脚或电流驱动器的电源控制引脚进行控制，可实现大范围、高精度的亮度控制。采用高精度电流驱动器，电流驱动器的列间误差小，适合用来减少显示器的亮度不均现象。
产品特性
- High accuracy & good matching (±3.0%) current drivers 4ch (MAX.25mA/ch)
- 28V power Nch MOSFET
- Soft Start
- Drive up to 6 in series, 4 strings in parallel
- Rich safety functions
- Over-voltage protection
- Output Short protection
- External SBD open detect
- Over current limit
- Thermal shutdown
- UVLO
重要规格
- Operating power supply voltage range: 2.7V to 5.5V
- LED maximum current: 25mA (Max.)
- Quiescent Current: 0.1μA (Typ.)
- Switching frequency: 1.0MHz(Typ.)
- Operating temperature range: -40℃ to +85℃
应用
All middle size LCD equipments backlight of Notebook PC, portable DVD player, car navigation systems, etc.
*ROHM Authorized Distributor
