Switching Regulators
  • SC187
    • 4A, 2.2MHz Synchronous Step-Down Regulator with 15 Preset Output Voltages
  • SC220
    • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC220Q
    • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC2308A
    • 600kHz Step-Up Switching Regulator with 2.2A, 45V Switch
  • SC284
    • Dual Channel 2.5MHz, 1.8A Synchronous Step-Down Regulator
  • SC3102
    • 2A Synchronous Step-Down Regulator
  • SC401B
    • 15A Integrated FET Regulator with Programmable LDO
  • SC402B
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
Semtech SC4521

Semtech SC4521

3A Step-Down Switching Regulator with Programmable Soft Start

The SC4521 is a current mode switching regulator with an integrated switch, operating at 600kHz with programmable soft start and enable functions.

Features


  • Wide operating voltage range: 4.4V to 24V
  • Integrated 3 Amp switch
  • 600kHz frequency of operation
  • Programmable soft start function
  • Current mode control
  • Precision enable threshold
  • SO-8 EDP Lead-free package, fully WEEE and RoHS compliant

Applications


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

Packaging

SO-8 EDP

Order Codes

  • SC4521SETRT: Lead-free, RoHS and WEEE compliant, 2500 pcs. Tape & Reel