BD9483F
大型LCD面板用白光LED驅動器(DCDC轉換器型)
BD9483F
大型LCD面板用白光LED驅動器(DCDC轉換器型)
BD9483F為大型LCD面板用高效率白光LED驅動器。此IC內建了用於LED陣列光源的2ch升壓型DCDC轉換器。BD9483F針對異常狀態配備了過電壓保護(OVP) 、Max Duty保護、DCDC的過電流保護(OCP)等各種保護功能。因此,BD9483F可在大範圍輸出電壓下進行自動防故障設計。
Product Detail
規格:
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]
15x7.8 (t=2.01)
功能:
・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