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SY7728F - 60V High Efficiency Four-String Boost LED Driver

Datasheet Summary

Description

SY7728F is a h igh efficiency peak current mode boost controller with four matching current sources to drive WLED arrays of LCD backlight.

The device has a wide input voltage range fro m 4.5V to 30V.

The LED current is programmab le through a resistor.

Features

  • 4.5-30V Wide Input Voltage Range.
  • Programmable 5mA~240mA LED Current per String.
  • LED Current with +/-3% Accuracy at 100mA per String.
  • PWM and Analog Mode Dimming: Dimming Frequency: 100Hz~50 kHz.
  • +/-1% Current Matching Among Strings at 100mA per String.
  • Programmable Switching Frequency,100kHz-1M Hz.
  • Internal Soft-start.
  • Open and Short LED Protection.
  • Programmable over-voltage Protection.
  • RoHS Compliant and Halogen Free.
  • Compact Package: SOP.

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Datasheet Details

Part number SY7728F
Manufacturer Silergy
File Size 807.14 KB
Description 60V High Efficiency Four-String Boost LED Driver
Datasheet download datasheet SY7728F Datasheet
Additional preview pages of the SY7728F datasheet.

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Full PDF Text Transcription

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Application Note: SY7728F 60V High Efficiency Four-String Boost LED Driver General Description SY7728F is a h igh efficiency peak current mode boost controller with four matching current sources to drive WLED arrays of LCD backlight. The device has a wide input voltage range fro m 4.5V to 30V. The LED current is programmab le through a resistor. It also integrates both PWM and Analog dimming function for accurate LED current control. Ordering Information SY7728 □(□□)□ Tempera ture Code Pa cka ge Code Optional Spec Code Ordering Number Package Type SY7728FFEC SOP16E SY7728FFFC SOP16 Note --------------- Features  4.
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