LED Drivers
  • SC445
  • High Efficiency Integrated Driver for 4-Strings of 150mA LEDs
  • SC440
  • High Effi ciency Integrated Driver for 6-Strings of 30mA LEDs
  • SC440A
  • High Efficiency Integrated Driver for 6-Strings of 30mA LEDs
  • SC441A
  • High Efficiency Integrated Driver for 4-Strings of 150mA LEDs - AEC-Q100 Qualified
  • SC441C
  • High Efficiency Integrated Driver for 4-Strings of 150mA LEDs - High Voltage Input
  • SC442
  • 10-Channel, Integrated, High Efficiency 120 White LED Driver
  • SC443
  • High Efficiency Integrated Boost Driver for 3-Strings of 30mA LEDs
  • SC446
  • High Efficiency Integrated Driver for 3-Strings of 100mA LEDs
Semtech SC662

Semtech SC662

Backlight Driver for 6 LEDs with SemPulse® Interface

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The SC662 is a high efficiency charge pump LED driver using Semtech’s proprietary charge pump technology. Performance is optimized for use in single-cell Li-ion battery applications.

Features


  • Input supply voltage range — 2.9V to 5.5V
  • Very high efficiency charge pump driver system with three modes — 1x, 1.5x and 2x
  • Six programmable current sinks — 0mA to 25mA
  • Up to three LED grouping options
  • Fade-in/fade-out feature for main LED bank
  • Selectable charge pump frequency — 250kHz/1MHz
  • SemPulse® single wire interface
  • Backlight current accuracy — ±1.5% typical
  • Backlight current matching — ±0.5% typical
  • LED float detection
  • Automatic sleep mode with all LEDs off
  • Sleep mode quiescent current — 60μA typical
  • Shutdown current — 0.1μA typical
  • Ultra-thin package — 2 x 2 x 0.6 (mm)
  • Lead-free and halogen-free
  • WEEE and RoHS compliant

Applications


  • Cellular phones, smart phones, and PDAs
  • LCD modules
  • Portable media players
  • Digital cameras
  • Personal navigation devices
  • Display/keypad backlighting and LED indicators

Packaging

MLPQ-UT-14 2 x 2 x 0.6 (mm)

Order Codes

SC662ULTRT: MLPQ-UT-14 2×2
SC662EVB: Evaluation Board
 
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