BD9397EFV
大型LCD面板用白光LED驅動器
BD9397EFV
大型LCD面板用白光LED驅動器
BD9397EFV是大型LCD面板用高效率白光LED驅動器。此IC的6個通道內建了大電流驅動、高速脈衝響應型恆流LED驅動器,1個通道內建了升壓型DCDC。BD9397EFV針對異常狀態配備了過電壓保護(OVP) 、LED OPEN・SHORT保護、DCDC的過電流保護(OCP)等各種保護功能。因此,BD9397EFV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]
9
Vin(Max.)[V]
35
Total Output Current (Max.)[mA]
400
Number of Outputs
6
Switching Frequency (Max.)[MHz]
1.25
Dimming
PWM
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
13.6x7.8 (t=1.0)
功能:
- 6ch Constant LED drivers,
available 400mA drive per 1ch. - Constant current accuracy ±1.8%(IC only)
- Each 6ch external PWM inputs can control independent dimming .
- Current analog(linear) dimming by VREF
- 1ch boost controller with current mode
(external FET) - Several protection functions
DCDC part: OCP/OVP/UVLO/TSD
LED driver part: OPEN,SHORT detection - SHORT detection voltage is set by LSP terminal.Error detection output FAIL terminal inside
(normal=Open, error=Drain)