SC2443数据手册集成电路（IC）的特殊用途稳压器规格书PDF

描述 Description

The SC2443 is a high-frequency dual synchronous step-down switching power supply controller. It provides out-of-phase high-current output gate drives to all N-channel MOSFET power stages.

特性 Features

·Wide input voltage range: 4.7V to 16V
·0.5V feedback voltage for low-voltage outputs
·Programmable frequency up to 1 MHz per phase
·2-Phase synchronous continuous conduction mode for high efficiency step-down converters
·Out-of-phase operation for low input current ripples
·Output source and sink currents
·Fixed frequency peak current-mode control
·75mV/-110mV maximum current sense voltage
·Inductor DCR current-sensing for low-cost applications
·Dual outputs or 2-phase single output operation
·Excellent current sharing between individual phases
·Individual soft-start, overload shutdown and enable
·External reference input for DDR applications
·External synchronization
·Industrial temperature range
·4mm X 4mm X1mm 24-lead MLPQ package

应用 Application

·Telecommunication power supplies
·DDR memory power supplies
·Graphic power supplies
·Servers and base stations

简介

SC2443属于集成电路（IC）的特殊用途稳压器。由制造生产的SC2443特殊用途稳压器该系列产品用于电源控制、某种形式的转换，适用于特定的复杂应用。因此，各种产品特性集差异较大，包括空燃比传感器接口、汽车交流发电机电压调节、DDR 端接、液体透镜控制、摩托车转向信号控制、热电 (peltier) 冷却器控制、压电触觉控制、阀门控制、小型发动机管理等。