SC2643VX: Combi-Sense™ Multi-Platform Multi-Phase PWM Controller

VRD/VRM 10.X, VRM 9.X, and K-8 compliant
Core voltage set point accuracy 0.5%
Combi-Sense™ current-mode control
Intrinsic phase current matching
Fast transient responses
Active droop with temperature compensation to meet load line slope
Support VID-on-fly with 5-bit or 6-bit VID
Enable function for power sequencing
Cycle-by-cycle peak current limit
Intelligent over-current shut-down
Over-voltage protection when using Semtech Combi-Sense™ driver
Under-voltage protection built in
External programmable soft-start
Externally programmable switching frequency (up to 2.8 MHz output voltage ripple frequency)
2-phase, 3-phase, or 4-phase configurations
24-pin SOIC or TSSOP package