BD9409F

1ch Boost up type White LED Driver for large LCD
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BD9409F

BD9409F
1ch Boost up type White LED Driver for large LCD

BD9409F is a high efficiency driver for white LEDs and is designed for large LCDs. BD9409F has a boost DCDC converter that employs an array of LEDs as the light source. BD9409F has some protect functions against fault conditions, such as over-voltage protection (OVP), over current limit protection of DCDC (OCP), LED OCP protection, and Over boost protection (FBMAX). Therefore it is available for the fail-safe design over a wide range output voltage.

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Product Detail

 
Part Number | BD9409F-E2
Status | Active
Package | SOP16
Packing Type | Taping
Unit Quantity | 2000
Minimum Package Quantity | 2000
RoHS | Yes

Specifications:

Topology

Boost

Vin(Min.)[V]

11.5

Vin(Max.)[V]

35

Number of Outputs

1

Switching Frequency (Max.)[MHz]

1

Dimming

DC / PWM

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

105

Package Size [mm]

10x6.2 (t=1.71)

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Features:

  • DCDC converter with current mode
  • LED protection circuit
    (Over boost protection(FB_H), LED OCP protection)
  • Over-voltage protection (OVP) for the output voltage Vout
  • Adjustable soft start
  • Adjustable oscillation frequency of DCDC
  • UVLO detection for the input voltage of the power stage
  • PWM Dimming and MS Dimming.
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