SC173集成電路（IC）的穩(wěn)壓器-DC-DC開(kāi)關(guān)穩(wěn)壓器規(guī)格書(shū)PDF中文資料

SC173屬于集成電路（IC）的穩(wěn)壓器-DC-DC開(kāi)關(guān)穩(wěn)壓器。由Semtech Corporation制造生產(chǎn)的SC173穩(wěn)壓器 - DC-DC 開(kāi)關(guān)穩(wěn)壓器DC-DC 開(kāi)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(chēng)為“控制器”P(pán)MIC 的類(lèi)似產(chǎn)品的區(qū)別在于集成了主開(kāi)關(guān)元件，設(shè)備提供的電力會(huì)通過(guò)該元件。

Description

The SC173 is an integrated, synchronous 3A EcoSpeedTM step-down regulator, which incorporates Semtech’s advanced, patented adaptive on-time architecture to achieve best-in-class performance in dynamic point-of-load applications. The input voltage range is 3V to 5.5V with a programmable output voltage from 0.75V up to 95 x VIN. The device features low-RDS(ON) internal switches and optional PSAVE mode for high efficiency across the output load range.

Features

■ VIN: 3V to 5.5V

■ VOUT: 0.75V to 95 x VIN

■ IOUT: Up to 3A

■ Low RDS(ON) Switches

Up to 95 Peak Efficiency

■ High Output Accuracy

■ Small Ceramic Capacitors

■ Power Good Pin (Open-Drain)

■ Patented Adaptive On-Time Control:

Excellent Transient Response

Programmable Pseudo-fixed Frequency

■ Fault Protection Features:

Cycle-by-Cycle Current Limit

Short Circuit Protection

Over and Under Output Voltage Protection

Over-Temperature

■ Internal Soft start

■ Ultrasonic Power Save

■ Smart Power Save

■ Ultra-Small Lead-Free 3x3mm, 10-Pin MLPD Package

■ Fully WEEE and RoHS Compliant

Applications

■ Networking Equipment, Embedded Systems

■ Medical Equipment, Office Automation

■ Instrumentation, Portable Systems

■ Consumer Devices (DTV, Set-top Box, ... )

■ 5V POL Converters