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RT8510 - 43V 4-CH LED Driver

General Description

The RT8510 is a high efficiency driver for white LEDs.

It is designed for LCD panels that employ an array of LEDs as the lighting source.

An integrated switch current mode boost controller drives four strings in parallel and supports up to 12 pieces of LED per string.

Key Features

  • Wide Input Voltage : 4.2V to 24V.
  • High Output Voltage : Up to 43V.
  • Adjustable Channel Current : 10mA to 40mA.
  • Channel Current Accuracy : ±3%.
  • Channel Current Matching : ±2%.
  • PWM Dimming Frequency : 120Hz to 30kHz.
  • Adjustable Switching Frequency : 500kHz to 2MHz.
  • Built-In Soft-Start.
  • Disconnects LED in Shutdown.
  • Open Current Sink Detection.
  • Adjustable Over Voltage Protection.
  • Over Temperature Protection.
  • Current Limit Protection.

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Datasheet Details

Part number RT8510
Manufacturer Richtek
File Size 184.79 KB
Description 43V 4-CH LED Driver
Datasheet download datasheet RT8510 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.

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® RT8510 43V 4-CH LED Driver General Description The RT8510 is a high efficiency driver for white LEDs. It is designed for LCD panels that employ an array of LEDs as the lighting source. An integrated switch current mode boost controller drives four strings in parallel and supports up to 12 pieces of LED per string. The internal current sinks support a maximum of ±2% current mismatching for excellent brightness uniformity in each string of LED. To provide enough headroom for current sink operation the boost controller monitors the minimum voltage of feedback pins and regulates an optimized output voltage for power efficiency. The RT8510 has a wide input voltage range from 4.2V to 24V and provide an adjustable 10mA to 40mA LED current.