BD6583MUV-A
最多可驱动72个LED的6ch白色LED驱动器
BD6583MUV-A
最多可驱动72个LED的6ch白色LED驱动器
BD6583MUV-A是将最大可升压至42.5V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。
主要规格
特性:
Topology
Boost
Vin(Min.)[V]
2.7
Vin(Max.)[V]
22
Total Output Current (Max.)[mA]
150
Per Channel Drive(Max.)[mA]
25
Number of Outputs
6
Vout(Max.)[V]
42.5
Switching Frequency (Max.)[MHz]
1
Dimming
PWM
Operating Temperature (Min.)[°C]
-30
Operating Temperature (Max.)[°C]
85
Package Size [mm]
4x4 (t=1)
特点:
・High efficiency PWM step-up DC/DC converter (fsw=1MHz)・Maximum efficiency 93%
・High accuracy & good matching (±3%) current drivers 6ch
・Drive up to 12 LEDs in series, 6 strings in parallel =72 white LEDs
・Wide input voltage range (2.7V to 22V)
・Over-voltage protection (OVP)
・Over current limit
・External SBD open detect
・Thermal shutdown (TSD)