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BD9483FV - White LED Driver

Download the BD9483FV datasheet PDF. This datasheet also covers the BD9483F variant, as both devices belong to the same white led driver family and are provided as variant models within a single manufacturer datasheet.

General Description

BD9483F,FV 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.

Key Features

  • >.
  • 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.
  • Package SOP-24: Pin Pitch: W(Typ. ) D(Typ. ) H(Max. ) 15.00mm x 7.80mm x 2.01mm 1.27mm.
  • Typical Applic.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (BD9483F-Rohm.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number BD9483FV
Manufacturer ROHM
File Size 1.00 MB
Description White LED Driver
Datasheet download datasheet BD9483FV Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Datasheet LED Drivers for LCD Backlights White LED Driver for large LCD Panels (DCDC Converter type) BD9483F,FV ●General Description BD9483F,FV 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,FV 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,FV is available for the fail-safe design over a wide range output voltage. ●Key Specification  Operating power supply voltage range:11.0V to 35.0V  Oscillator frequency: 150kHz (RT=100kΩ)  Operating Current: 3mA (typ.