Charge Pumps
  • SC630A
  • 1MHz Fixed 3.3V Output Charge Pump Regulator
  • SC632A
  • 1MHz Fixed 5.0V 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
  • SC631
  • Fixed 4.4V Output Charge Pump Regulator
  • SC632
  • Fixed 5.0V Output Charge Pump Regulator
Semtech SC633

Semtech SC633

Fixed 5.3V Output Charge Pump Regulator

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The SC633 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 — 5.3V ±3%
  • Continuous output current — 275mA, VIN=3V
  • Peak output current — 400mA
  • Three charge pump modes — 1x, 1.5x and 2x
  • Output ripple ≤ 40mVPP for IOUT ≤ 400mA
  • Short circuit, over-voltage, and over-temperature protection
  • Soft-start functionality
  • Shutdown current — 0.1μA, typical
  • Ultra thin package — 2 x 2 x 0.6 (mm)
  • Lead-free and halogen-free
  • WEEE and RoHS compliant


  • Mobile phones
  • MP3 players
  • USB On-The-Go
  • Multi-LED backlit LCDs
  • Compact flash/CF+ products
  • PMPs
  • Digital video cameras
  • Digital still cameras
  • PDAs


  • MLPD-UT-8 2x2

Order Codes

  • SC633ULTRT - Lead-free packaging only. Device is WEEE and RoHS compliant, and halogen-free.
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