SC2677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

特性 Features

·300 kHz to 1 MHz externally-programmable frequency operation
·Soft start and enable function
·Power-good output provided
·Under-voltage short-circuit protection
·Phase-shifted switchers minimize ripple
·High efficiency operation, >90%
·Programmable output(s) as low as 0.5 V
·Industrial temperature range
·TSSOP-20 package
·Bias voltage as low as 4.5 V
·Adjustable phase shift between channels
·2-phase, current-sharing controller·Flexible, same or separate VIN
·Programmable current sharing
·Thermal distribution via multi-phase output

应用 Application

·Graphics cards
·Peripheral add-in cards
·Dual-phase power supplies
·Power supplies requiring two outputs

简介

SC2677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SC2677DC-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。