BD65B60GWL
最大输出28.5V 双线白色LED驱动器
BD65B60GWL
最大输出28.5V 双线白色LED驱动器
BD65B60GWL是智能电话、便携式游戏机等的小型LCD背光灯用2信道LED驱动器。通过内置的升压DC/DC转换器的电路优化,可实现待机时等经常使用的约10mA以下电流到低电流区域的高效率化,大大提高电池寿命。通过DC(电流)和PWM信号的双重控制,可实现低亮度到高亮度的高精度调光。
主要规格
特性:
Topology
Boost
Vin(Min.)[V]
2.7
Vin(Max.)[V]
5.5
Number of Outputs
2
Switching Frequency (Max.)[MHz]
1.1
Integrated Switching FET
Yes
Dimming
PWM
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
1.4x1.8 (t=0.55)
特点:
・ High efficiency PWM step-up DC/DC converterfSW1 = 1.1MHz(Typ.), fSW2 = 0.60MHz(Typ.)
・ High accuracy & good matching current drivers (2ch)
・ Soft Start function
・ Drives up to 8 LEDs in series per channel
・ Lower input voltage range requirement (2.7V to 5.5V)