Switching Regulators
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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 SC4518H

Semtech SC4518H

600 kHz, 2 A Step-Down Switching Regulator

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The SC4518H is a current mode switching regulator with an integrated switch, operating at 600kHz with separate sync and enable functions.


  • Wide operating voltage range: 4.4V to 24V
  • Integrated 2 Amp switch
  • 600kHz frequency of operation
  • Current mode controller
  • Synchronizable to higher frequency up to 1.2MHz
  • Precision enable threshold
  • SO-8 EDP package. Lead free product, fully WEEE and RoHS compliant


  • XDSL modems
  • CPE equipment
  • DC-DC point of load applications
  • Portable equipment



Order Codes

  • SC4518HSETRT: Lead-free, RoHS and WEEE compliant, 2500 pcs. Tape & Reel
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