
Semtech Corporation
Description
The SC4525D is a 350kHz constant frequency peak current-mode step-down switching regulator capable of producing 3A output current from an input ranging from 3V to 18V. The SC4525D is suitable for next generation XDSL modems, high-defnition TVs and various point of load applications.
FEATUREs
● Input range: 3V to 18V
● 3A Output Current
● 350kHz Fixed Switching Frequency
● Precision 1V Feedback Voltage
● Peak Current-Mode Control
● Cycle-by-Cycle Current Limiting
● Hiccup Overload Protection with Frequency Foldback
● Soft-Start and Enable
● Thermal Shutdown
● Thermally Enhanced 8-pin SOIC Package
● Fully RoHS and WEEE compliant
APPLICATIONs
● XDSL and Cable Modems
● Set Top Boxes
● Point of Load Applications
● CPE Equipment
● DSP Power Supplies
● LCD and Plasma TVs