Products
Power Management
Semtech SC2434
TriPhase Current Mode Controller with Power Good
The SC2434, a tri-phase, current mode controller is designed to work with Semtech smart synchronous drivers, such as the SC1205, SC1206, and SC1207 to provide the DC/DC converter solution for the most demanding Microprocessor applications.
Overview
Features
- 12V input
- Input sensing current mode control
- Selectable 2 or 3 phase operation
- Precision, pulse by pulse phase current matching
- Active drooping allows for best transient response
- Programmable internal oscillator to 1.5 MHz
- Programmable DAC step size/offset allows compliance with VRM9.0 and VRM9.2
- VID 11111 Inhibit (No CPU)
- Externally programmable soft-start
- 0% minimum duty cycle improves transient response
- Cycle by cycle current limiting plus hiccup
- Power good signal
Applications
- Intel Pentium-4 microprocessors
- High-performance desktop systems
Packaging
TSSOP-20
Order Codes
- SC1205ECSTR: Package Minimum Tape & Reel Only
- SC2434HTSTR: Package Minimum Tape & Reel Only
- SC2434SWTR: Package Minimum Tape & Reel Only
- SC2434TSTR: Package Minimum Tape & Reel Only
Diagrams and Specs
Block Diagram
Click diagram to enlarge