SC4806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 SC4806 is a double ended, high speed, highly integrated PWM controller optimized for applications requiring minimum space. The device is easily configurable for current mode or voltage mode operation and contains all the control circuitry required for isolated  applications, where a secondary side error amplifier is used.

特性 Features

·90 µA starting current
·Pulse-by-pulse current limit for both voltage/current modes
·Programmable operating frequency up to 1MHz
·Programmable external soft start
·Programmable line undervoltage lockout
·Programmable external slope compensation
·Over current shutdown with separate pin
·Dual output drive stages on push-pull configuration
·Programmable mode of operation (peak current mode or voltage mode)
·External frequency synchronization
·Bi-phase mode of operation
·-40 to 105 °C operating temperature
·Lead free MLP-12 package, WEEE and RoHS compliant

应用 Application

·Telecom equipment and power supplies
·Networking power supplies
·Industrial power supplies
·Push-pull converter
·Half bridge converter
·Full bridge converter
·Isolated VRMs

简介

SC4806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SC4806DC-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。