描述 Description

The SC9301 is a stand-alone synchronous EcoSpeed??buck regulator with adaptive on-time control architecture. It features integrated power MOSFETs, a bootstrap switch,?and a fi xed 5V LDO in a 5x5mm package. The device is highly effi cient and uses minimal PCB area. The SC9301 supports using standard capacitor types such as electrolytic or specialty polymer, in addition to ceramic, at switching?frequencies up to 1MHz.

特性 Features

·Power System·Input voltage — 3V to 28V
·Bias voltage — 3V to 5.5V LDO or external
·Up to 96% peak efficiency
·Integrated bootstrap switch
·Programmable LDO output — 200mA
·Reference tolerance — 1% TJ= -40 to +125 °C
·EcoSpeed? architecture with pseudo-fixed frequency adaptive on-time control
·Pre-bias start-up

·Logic Input/Output Control·Independent enable controls for LDO and switcher
·Programmable VIN UVLO threshold
·Power good output
·Programmable soft-start time

·All Protection: automatic restart on fault·Over-voltage and under-voltage
·TC compensated RDS(ON) sensed current limit
·Thermal Shutdown

·Smart gate drive reduces EMI
·Capacitor types: SP, POSCAP, OSCON, and ceramic
·Package — 5 x 5(mm), 32-pin MLPQ
·Lead-free and halogen-free
·RoHS and WEEE compliant

應(yīng)用 Application

·Networking and telecommunication equipment
·Printers, DSL, and STB applications
·Point-of-load power supplies and module replacement

簡(jiǎn)介

SC9301屬于集成電路（IC）的穩(wěn)壓器-DC-DC開關(guān)穩(wěn)壓器。由制造生產(chǎn)的SC9301穩(wěn)壓器 - DC-DC 開關(guān)穩(wěn)壓器DC-DC 開關(guān)穩(wěn)壓器 PMIC（電源管理集成電路）產(chǎn)品族中的產(chǎn)品是元器件級(jí)設(shè)備，用于需要穩(wěn)定 DC 輸入電壓和/或?qū)⑵滢D(zhuǎn)換為不同幅度的輸出電壓的應(yīng)用。這些器件與稱為“控制器”PMIC 的類似產(chǎn)品的區(qū)別在于集成了主開關(guān)元件，設(shè)備提供的電力會(huì)通過(guò)該元件。