BD9483FV
大型LCD面板用 白色LED驱动器(DCDC转换器型)
BD9483FV
BD9483FV
大型LCD面板用 白色LED驱动器(DCDC转换器型)
BD9483FV是大型LCD面板用高效率白色LED驱动器。此IC内置了用于LED阵列光源的2ch升压型DCDC转换器。BD9483FV针对异常状态配备了过电压保护(OVP) 、Max Duty保护、DCDC的过电流保护(OCP)等各种保护功能。因此，BD9483FV可在大范围输出电压下进行自动防故障设计。
主要规格
特性：
Topology
Boost
Vin(Min.)[V]
11
Vin(Max.)[V]
35
Number of Outputs
2
Switching Frequency (Max.)[MHz]
0.15
Dimming
PWM
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
7.8x7.6 (t=1.35)
特点：
・2ch boost DCDC converter with current mode・LED protection circuit (Max duty protection, LED OCP protection)
・Over-voltage protection (OVP) for the output voltage Vout
・Adjustable soft start
・The wide range of analog dimming 0.2V-3.0V
・2ch independent PWM dimming input
・The UVLO detection for the input voltage of the power stage
・FAIL logic output
