White LED Driver for large LCD Panels (DCDC Converter type) - BD9483F

BD9483F is a high efficiency driver for white LEDs and designed for large LCDs. This IC is built-in 2ch boost DCDC converters that employ an array of LEDs as the light source. BD9483F has some protect function against fault conditions, such as the over-voltage protection (OVP),the over current limit protection of DCDC (OCP), Max duty protection, LED OCP protection. Therefore BD9483F is available for the fail-safe design over a wide range output voltage.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
número de peça
Estado de Condição
Quantidade Unidade
Quantidade mínima Package
tipo de embalagem
BD9483F-GE2 Active SOP24 2000 2000 Taping sim
Topology Boost
Number of Outputs 2
Vin(Min.)[V] 11.0
Vin(Max.)[V] 35.0
Frequency(Max.)[MHz] 0.15
Integrated FET No
Dimming PWM
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
  • ・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
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Application Note

Thermal Resistance