LED Drivers
  • SC653
    • Charge Pump LED Driver for 4BL + 2LDO + SemPulse Interface
  • SC657
    • Charge Pump LED Driver for 5BL + SemPulse Interface
  • SC658
    • Charge Pump LED Driver for 4BL + SemPulse Interface
  • SC656
    • Charge Pump LED Driver for 7BL + Dual PWM Interfaces
  • SC446
    • High Efficiency Integrated Driver for 3-Strings of 100mA LEDs
  • SC441C
    • High Efficiency Integrated Driver for 4-Strings of 150mA LEDs
  • SC561
    • Dual Output Low Noise LDO Linear Regulator
  • SC810
    • Single Input/Single Mode Single-cell Li-ion Battery Charger
  • SCDAS4F
    • Standard Recovery, High Current Center Tap and Doubler Rectifier Assemblies
Semtech SC604A

Semtech SC604A

Not Recommended for New Designs; use SC652 or SC658

The SC604A is a very high efficiency charge pump white LED driver driver from the mAhXLife™ family of products, optimized for Li-Ion battery applications.

Link to:   SC624A

Features


  • Very high efficiency over 90% of battery life
  • Peak efficiency over 92%
  • Current regulation for up to 4 LEDs
  • Digital 3-bit output control logic
  • Current matching tolerance of ±3% typical
  • Wide current range per LED [0.5mA -- 30mA]
  • High available total LED current = 4 x ILED = 120mA
  • Low Shutdown Current: 1µA typical
  • Soft start / In-rush current limiting
  • Short circuit protection
  • MLP-16 [4x4] package
  • Fixed frequency 250kHz
  • 1x, 1.5x and 2x charge pump modes of operation

Applications


  • Cellular phones
  • LED backlighting
  • PDA power supplies
  • Portable devices
  • Electronic books
  • Wireless web appliances
  • LCD modules

Packaging

MLPQ-16 (4X4 mm)

Order Codes

  • SC604AIMLTR: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only