Charge Pump Regulators
  • SC632A
    • 1MHz Fixed 5.0V Output Charge Pump Regulator
  • SC630A
    • 1MHz Fixed 3.3V Output Charge Pump Regulator
  • SC632
    • Fixed 5.0V Output Charge Pump Regulator
  • SC631
    • Fixed 4.4V Output Charge Pump Regulator
  • SC630
    • Fixed 3.3V High Output Charge Pump Buck/Boost Regulator
  • SC613
    • Low-Noise Regulated Charge Pump with Selectable Output
  • SC603
    • Charge Pump Regulator with Selectable 5.0V/4.5 V Output
  • SC600
    • mAhXLife™ Charge Pump LED Driver with 5.0V, 4.5V or 4.0V Output
Semtech SC627

Semtech SC627

Charge Pump LED Driver for 4BL + 700mA Flash + 2LDO + SemWire Interface

The SC627 is a high efficiency charge pump LED driver using Semtech’s proprietary mAhXLife™ technology. Performance is optimized for use in single-cell Li-ion battery applications.

Features


  • Input supply voltage range — 3.0V to 5.5V
  • Charge pump modes — 1x, 1.5x and 2x
  • Four programmable current sinks with 32 steps from 0.5mA to 25mA
  • Flash LED — 700mA max in flash mode, 250mA max continuous for spotlight
  • Two user-configurable 100mA low-noise LDO regulators
  • Charge pump frequency — 250kHz
  • SemWire™ single wire interface — up to 75kbit/s
  • Backlight current accuracy ±1.5% typical
  • Backlight current matching ±0.5% typical
  • Programmable fade-in/fade-out for main backlight
  • External flash control pin to sync with camera
  • Optional 1s flash time out
  • Automatic sleep mode (LEDs off ) — IQ = 100μA
  • Low shutdown current — 0.1μA (typical)
  • Ultra-thin package — 3mm x 3mm x 0.6mm
  • Fully WEEE and RoHS compliant

Applications


  • Cellular phone backlighting and flash
  • PDA backlighting and flash
  • Camera I/O and core power

Packaging

MLPQ-UT-20 (3 X 3 mm)

Order Codes

  • SC627ULTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel