SC1176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 SC1176 is a versatile 2 phase, synchronous, voltage mode PWM controller that may be used in two distinct ways. First, the SC1176 is ideal for applications where point of use output power exceeds any single input power budget.

特性 Features

·300 kHz fixed frequency operation
·Soft start and enable function
·Power-good output provided
·Over-current protection with 50% fold-back
·Phase-shifted switchers minimize ripple
·High-efficiency operation, >90%
·Programmable output(s) as low as .9 V
·Industrial temperature range
·SOIC-20 or TSSOP-20 pin Lead free package. This product is fully WEEE and RoHS compliant
Two Phase, Current Sharing Controller·Flexible, same or separate VIN
·Programmable current sharing
·Combined current limit with fold-back
·2 phases operating opposed for ripple reduction
·Thermal distribution via multi-phase output
Two Independent PWM Controllers·Flexible, same or separate VIN
·Independent control for each channel
·Independent and separate current limit
·2 phases operating opposed for ripple reduction (if same VIN used)

应用 Application

·Graphics cards
·DDR Memory
·Peripheral add-in card
·SSTL Termination
·Dual-phase power supply
·Power supplies requiring two outputs

简介

SC1176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SC1176DC-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。