Switching Regulators
  • SC417
    • 10A Integrated FET Regulator with Programmable LDO and Selectable Ultrasonic Power-Save
  • SC427
    • 10A Integrated FET Regulator with Programmable LDO and Selectable Regular Power-Save
  • SC122
    • Low Voltage Synchronous Boost Converter
  • SC121
    • Low Voltage Synchronous Boost Regulator
  • SX1239
    • Low Power Integrated UHF Receiver
  • SC4538
    • High Efficiency Boost Converter for up to 10 LEDs
  • SC4539
    • High Efficiency Boost Converter for up to 6 LEDS
  • SC561
    • Dual Output Low Noise LDO Linear Regulator
  • SC810
    • Single Input/Single Mode Single-cell Li-ion Battery Charger
  • SCDAS4F
    • Standard Recovery, High Current Center Tap and Doubler Rectifier Assemblies
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