Description
The SC2441 is a high-frequency triple output switching regulator controller. It consists of a dual out-of-phase synchronous step-down PWM controller with high-current output gate drives and a 1.7A integrated step-up switching regulator.

Features
2-Phase Synchronous step-down controllers
◆ 2-Phase Synchronous Continuous Conduction Mode For High Efficiency Step-down Converters
◆ Out of Phase Operation For Low Input Current Ripples
◆ Operates Up To 1MHz Per Channel
◆ Configurable Dual Outputs Or 2-Phase Single Output Operation with Peak Current Mode Control
◆ Excellent Current Sharing Between Phases
◆ Wide Input Voltage Range: 1.8V to 15V
◆ Duty Cycle Up to 90%
◆ 0.5V Feedback Voltages For Low-Voltage Outputs
◆ Precision 50mV Current-Limit Threshold
◆ Patented Combi-sense Technique for High SNR of Current-Sensing
◆ Individual Soft-Start, Overload Shutdown and Enable

Step-up Regulator
◆ Wide Input Voltage Range: 1.8V to 15V
◆ Operates At Twice The Individual Channel Frequency Of The Buck Controllers
◆ 0.23V VCESAT Switch at 1A
◆ Fixed Frequency with Current-Mode Control

Common Features
◆ External Synchronization
◆ Industrial Temperature Range

Applications
◆ Low Voltage Distributed DC-DC Converters
◆ Telecommunication Power Supplies
◆ Servers and base stations