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  • SC21150
  • Tiny 1.2A Synchronous Buck Regulator
  • SC21152
  • Tiny 1.2A Synchronous Buck Regulator with Power Good
  • SC221
  • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC284AQ
  • Dual Channel 2.5MHz, 1.7A Synchronous Buck Regulator
  • TS13101
  • Galvanic Isolated Latching 60V Power Load Switch
  • TS30011
  • High Efficiency 1A Current-Mode Synchronous Buck DC/DC Converter, 1MHz
Semtech SC3303

Semtech SC3303

3A EcoSpeed® Step-Down Regulator with LDO and Ultrasonic Power Save

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The SC3303 is an integrated, synchronous 3A EcoSpeed® step-down regulator. It incorporates Semtech’s advanced, patented adaptive on-time architecture to achieve bestin-class dynamic performance using point-of-load applications.


  • Input voltage — 5.5V to 28V
  • Output voltage — 0.75V to 7.5V
  • Output current — Up to 3A
  • Internal reference — + 1%
  • Small ceramic capacitors
  • Power good pin (open-drain)
  • Adaptive on-time control:
  • Excellent transient response
  • Programmable pseudo-fixed frequency during CCM
  • Fault protection features:
  • Cycle-by-cycle current limit
  • Short circuit protection
  • Over and under output voltage protection
  • Over-temperature
  • Internal soft-start
  • Ultrasonic power save and smart PSAVE
  • Internal LDO for bias voltage
  • Ultra-small lead-free 3 x 3(mm), 10-Pin MLPD package
  • WEEE and RoHS compliant and halogen free


  • Networking Equipment, Embedded Systems
  • Medical Equipment, Office Automation
  • Instrumentation, Portable Systems
  • Consumer Devices such as DTV and Set-top Boxes
  • POL Converters


  • MLPD-10 pin 3 x 3(mm)

Order Codes

  • SC3303MLTRT - Lead-free, WEEE and RoHS compliant and halogen free
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