Products
Power Management
Semtech SC2642
Multi-Platform Two-Phase PWM Controller
Not recommended for new designs.
Overview
Features
- VRD/VRM 10.0, 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 response
- 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 SC1211
- Under-voltage protection built in
- Externally programmable soft start
- Externally programmable switching frequency (up to 1 MHz output ripple frequency)
- TSSOP-20 package
Applications
- Voltage regulator VRD 10.x
- Voltage regulator VRM 9.x
- Voltage regulator K-8
- High-current, low-voltage step-down DC/DC converters
Packaging
- TSSOP-20
Order Codes
- SC2642TSTR: Package Minimum Tape & Reel Only
Diagrams and Specs
Block Diagram
Click diagram to enlarge