SC451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 complete datasheet for this product is restricted to IMVP licensees only. To request a datasheet, email: salesinfo@semtech.com.

特性 Features

·IMVP-IV™ and IMVP4+™ compliant single-chip solution
·On-chip CLK_ENABLE# and IMVP4_PWRGD outputs
·Backward compatible with SC1479
·High-speed hysteretic controller
·Single-phase operation
·Selectable analog or VID-controlled DeeperSleep setting
·6-bit VID programmable output
·Integrated drivers with soft high-side turn-on
·Programmable softstart
·Programmable boot voltage
·Programmable DeeperSleep voltage
·Under-voltage lockout on VccA
·Over-voltage protection on CORE
·Current limit protection on CORE
·Thermal protection
·Power-good flag with blanking during VID or DeeperSleep mode changes
·Automatic powersave at light load
·TSSOP-28 and TSSOP-38 package options

应用 Application

·Low-power notebook and laptop computers
·Embedded applications

简介

SC451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SC451DC-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。