SC4612H集成電路（IC）的PMIC-穩(wěn)壓器-DCDC開關(guān)式控制器規(guī)格書PDF中文資料

SC4612H屬于集成電路（IC）的PMIC-穩(wěn)壓器-DCDC開關(guān)式控制器。由Semtech Corporation制造生產(chǎn)的SC4612HDC-DC 開關(guān)控制器PMIC（電源管理集成電路）DC 到 DC 開關(guān)式控制器是用于高效率電路的穩(wěn)壓 IC，其配置為生成高于（突升或步升）或低于（突降或步降）輸入電源的輸出電源電壓。其他拓撲結(jié)構(gòu)可能包括：降壓-升壓、反激、正激、Cuk、SEPIC、全橋、半橋和推挽式。這些器件不同于需要最小電壓并“燒盡”多余電壓的線性穩(wěn)壓器。

Description

The SC4612H is a high performance synchronous buck controller that can be configured for a wide range of applications. The SC4612H utilizes synchronous rectified buck topology where high efficiency is the primary consideration. SC4612H can be used over a wide input voltage range with output voltage adjustable within limits set by the duty cycle boundaries.

SC4612H comes with a rich set of features such as regulated DRV supply, programmable soft-start, high current gate drivers, shoot through protection, RDS(ON) sensing with hiccup over current protection.

Features

■ Wide input voltage range, 4.75V to 40V

■ Internally regulated DRV

■ 1.7A gate drive capability

■ Low side RDS-ON sensing with hiccup OCP

■ Programmable current limit

■ Programmable frequency up to 1.2 MHz

■ Overtemperature protected

■ Pre-bias startup

■ Reference accuracy ±1

■ Available in MLPD-12 4 x 3 and SOIC-14 Pb-free packages. This product is fully WEEE and RoHS compliant

Applications

■ Distributed power architectures

■ Telecommunication equipment

■ Servers/work stations

■ Mixed signal applications

■ Base station power management

■ Point of use low voltage high current applications? ? ? ? ? ?