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BD94121F - White LED Driver

Description

BD94121F is a current resonance type LED Driver with frequency-controlled LED current.

It can connect to PFC directly and can use half-bridge structure reducing the number of external components.

Features

  • 20V High Rating Process.
  • 1 Channel Push-pull Control.
  • Current and Voltage Feedback by Driving Frequency.
  • Adjustable Soft Start.
  • Adjustable Timer Latch.
  • Under-Voltage Detection for IC’s Power Line.
  • Output Over-Voltage Protection.
  • Output Error Signal from FAIL Terminal.
  • Shift to Save Mode by STB Terminal.
  • Burst Control by External PWM Signal.
  • Analog Dimming by External DC Signal.
  • Conversion Function from Pulse to DC Key Specifications.

📥 Download Datasheet

Datasheet Details

Part number BD94121F
Manufacturer ROHM
File Size 2.52 MB
Description White LED Driver
Datasheet download datasheet BD94121F Datasheet

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Full PDF Text Transcription

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Datasheet PFC Direct current resonance type White LED Driver for Large LCD BD94121F General Description BD94121F is a current resonance type LED Driver with frequency-controlled LED current. It can connect to PFC directly and can use half-bridge structure reducing the number of external components. It incorporates some protection functions against fault conditions such as Over-Voltage Protection, LED Short Detection (IS High Detection) and LED Open Detection (IS Low Detection).
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