White LED Driver for large LCD Panels (DCDC Converter type) - BD9394FP

BD9394FP is a high efficiency driver for white LEDs and designed for large LCDs. This IC is built-in a boost DCDC converters that employ an array of LEDs as the light source. BD9394EFV has some protect function against fault conditions, such as the over-voltage protection (OVP), the over current limit protection of DCDC (OCP), the short circuit protection (SCP), the open detection ofLED string. Therefore BD9394FP, 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
BD9394FP-E2 Active HSOP20 2000 2000 Taping sim
Topology Boost
Number of Outputs 4
Vin(Min.)[V] 9.0
Vin(Max.)[V] 35.0
Output Current(Max.)[mA] 150.0
Frequency(Max.)[MHz] 0.15
Dimming PWM
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
  • ・4ch LED constant current driver and DC/DC converter
    ・Maximum LED Current: 150mA
    ・LED Feedback Voltage: 0.37V (@NADIM=2.62V), so lower heat. Adjustable Feed Back Voltage by following LED Current setting.
    ・±2% LED current accuracy (NADIM=2.62V, when each LED is set to 100mA)
    ・Analog current (Linear) dimming at NADIM pin
    ・LED pin rating 60V
    ・Individual detection and individual LED OFF for both open and short circuits
    ・Built-in ISET pin short-circuit protection circuit
    ・Set Soft-Start time byexternal capacitor.
    ・FET’s Gate (N pin) is driven by 5.8V swing
    ・Built-in Vout discharge circuit for shutdown
    ・Built-in Vout overvoltage protection (OVP) / reduced voltage protection (SCP) circuit
    ・Adjustable LED Short Protection Voltage by LSP terminal
    ・HSOP20, HTSSOP-B24 package with high heat radiation efficiency
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Application Note

Thermal Resistance