Semtech SC2441

Features

• 2-phase synchronous step-down controller
  • 2-phase synchronous continuous conduction mode for high-efficiency step-down converters
  • Out-of-phase operation for low input current ripples
  • Operates up to 1 MHz per channel
  • Configurable dual outputs or 2-phase single-output operation with peak current-mode control
  • Excellent current sharing between phases
  • Wide input voltage range: 1.8 V to 15 V
  • Duty cycle up to 90%
  • 0.5 V feedback voltages for low-voltage outputs
  • Precision 50 mV current-limit threshold
  • Patented Combi-Sense™ technique for high SNR of current-sensing
  • Individual soft-start, overload shutdown and enable

• Step-up regulator
  

  • Wide input voltage range: 1.8 V to 15 V
  • Operates at twice the individual channel frequency of the buck controllers
  • 0.3 V V_CESAT switch at 1 A
  • Fixed frequency with current-mode control

• Common features
  

  • External synchronization
  • Industrial temperature range
  • TSSOP-28 package

Applications

• Low-voltage distributed DC-DC converters
• Telecommunication power supplies
• Servers and base stations

Packaging

TSSOP-28

Order Codes

• SC2441ITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only