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。

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* 本產品是標準級的產品。
本產品不建議使用的車載設備。
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Product Detail

 
料號 | BD9397EFV-GE2
狀態 | 可購買
封裝 | HTSSOP-B40
單位數量 | 2000
最小包裝數量 | 2000
包裝形式 | Taping
RoHS | Yes

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)

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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)
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