SC2434SWTRT 数据手册 ( 数据表 ) - Semtech Corporation

Description
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.

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