SC2434数据手册集成电路（IC）的PMIC-稳压器-DCDC开关式控制器规格书PDF

描述 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.

特性 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

应用 Application

·Intel Pentium-4 microprocessors
·High-performance desktop systems

简介

SC2434属于集成电路（IC）的PMIC-稳压器-DCDC开关式控制器。由制造生产的SC2434DC-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。