SC1189数据手册集成电路（IC）的线性稳压器控制器规格书PDF

描述 Description

The SC1189 combines a synchronous voltage mode controller with two low-dropout linear regulators providing most of the circuitry necessary to implement three DC/DC converters for powering advanced microprocessors such as Pentium®III.

特性 Features

·Synchronous design, enables no heatsink solution
·95% efficiency (switching section)
·5-bit DAC for output programmability
·Designed for Intel Pentium® III requirements
·1.25 V, 2.5 V short-circuit-protected linear controllers
·Linear controllers adjustable to 1.8 V chipset.
·VRM 8.5 Compliant
·VRM 8.4 Compliant (1.3 V to 1.8 V)
·1.0% accuracy (1.6 V to 1.8 V)
·On-chip power-good signal
·Available in Lead free package, fully WEEE and RoHS compiant

应用 Application

·Pentium® III microprocessor supplies
·1.050 V to 1.825 V microprocessor supplies
·Programmable triple power supplies

简介

SC1189属于集成电路（IC）的线性稳压器控制器。由制造生产的SC1189稳压器 - 线性 + 开关此产品族中的产品用于构建执行 DC-DC 转换或电压调节功能的电路，采用的是开关模式和线性稳压器功能的组合。虽然具体的拓扑各不相同，但此类产品的主要目的是将开关模式技术的效率优势与线性稳压技术的低噪声特性结合在一起。