LED Drivers
  • SC668
    • 8 LED Light Management Unit Automatic Dropout Prevention , Ambient Light Sense Input, PWM Dimming, and 4 LDOs
  • SC667
    • 7 LED Light Management Unit Automatic Dropout Prevention, Ambient Light Sense Input, PWM Dimming, and 4 LDOs
  • SC662
    • Backlight Driver for 6 LEDs with SemPulse® Interface
  • SC657
    • Charge Pump LED Driver for 5BL + SemPulse Interface
  • SC653
    • Charge Pump LED Driver for 4BL + 2LDO + SemPulse Interface
  • SC5010H
    • High Efficiency 8-Channel LED Driver with I2C Interface and Phase-Shifted PWM Dimming
  • SC5010
    • High Efficiency 8-Channel LED Driver with I2C Interface and Phase-Shifted PWM Dimming
  • SC4541
    • High Frequency LED Driver with Integrated Schottky and Simple Interconnect
Semtech SC604A

Semtech SC604A

Not Recommended for New Designs; use SC652 or SC658

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