Charge Pumps
  • SC630A
  • 1MHz Fixed 3.3V Output Charge Pump Regulator
  • SC632A
  • 1MHz Fixed 5.0V Output Charge Pump Regulator
  • SC633
  • Fixed 5.3V Output Charge Pump Regulator
  • SC600
  • mAhXLife™ Charge Pump LED Driver with 5.0V, 4.5V or 4.0V Output
  • SC603
  • Charge Pump Regulator with Selectable 5.0V/4.5 V Output
  • SC613
  • Low-Noise Regulated Charge Pump with Selectable Output
  • SC630
  • Fixed 3.3V High Output Charge Pump Buck/Boost Regulator
  • SC632
  • Fixed 5.0V Output Charge Pump Regulator
Semtech SC631

Semtech SC631

Fixed 4.4V Output Charge Pump Regulator

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The SC631 is a high-current voltage regulator using Semtech’s proprietary low-noise charge pump technology. Performance is optimized for use in single Li-Ion battery cell applications.


  • Input voltage range — 2.9V to 5.5V
  • Vout tolerance — 4.4V ±3%
  • Continuous output current — 250mA
  • Peak output current — 500mA
  • Three charge pump modes: 1x, 1.5x and 2x
  • Output ripple ≤ 30mVPP for IOUT ≤ 400mA
  • Short circuit, over-voltage, and over-temperature
  • Soft-start functionality
  • Shutdown current — 0.1μA, typical
  • Ultra thin package — 2 x 2 x 0.6 (mm)
  • Fully WEEE and RoHS compliant


  • Mobile phones
  • Multi-LED backlit LCDs
  • PMPs
  • Digital video cameras
  • Digital still cameras
  • PDAs
  • LED camera fl ash
  • Audio amplifier power

Order Codes

  • SC631ULTRT: Lead-Free, WEEE and RoHA Compliant, 3,000 pcs, Tape and Reel Only
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