Description

The SC4521 is a current mode switching regulator with an integrated switch, operating at 600kHz with programmable soft start and enable functions. The integrated switch allows for cost effective low power solutions (peak switch current 3 amps). High frequency operation allows for very small passive components. Current mode operation allows for fast dynamic response and instantaneous duty cycle adjustment as the input varies (ideal for CPE applications where the input is a wall plug power).

Features

● Wide operating voltage range: 4.4V to 24V

● Integrated 3 Amp switch

● 600kHz frequency of operation

● Programmable soft start funchion

● 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