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

SC2434SWTR属于集成电路（IC） > PMIC - 稳压器 - DC DC 开关式控制器。Semtech Corporation制造生产的SC2434SWTRDC-DC 开关控制器PMIC（电源管理集成电路）DC 到 DC 开关式控制器是用于高效率电路的稳压 IC，其配置为生成高于（突升或步升）或低于（突降或步降）输入电源的输出电源电压。其他拓扑结构可能包括：降压-升压、反激、正激、Cuk、SEPIC、全桥、半桥和推挽式。这些器件不同于需要最小电压并“烧尽”多余电压的线性稳压器。