SC174数据手册集成电路（IC）的稳压器-DC-DC开关稳压器规格书PDF

描述 Description

The SC174 is an integrated, synchronous 4A EcoSpeed™ 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.

特性 Features

·VIN: 3V to 5.5V
·VOUT: 0.75V to 95% x VIN
·IOUT: Up to 4A
·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

应用 Application

·Networking Equipment, Embedded Systems
·Medical Equipment, Office Automation
·Instrumentation, Portable Systems
·Consumer Devices (DTV, Set-top Box, ... )
·5V POL Converters

简介

SC174属于集成电路（IC）的稳压器-DC-DC开关稳压器。由制造生产的SC174稳压器 - DC-DC 开关稳压器DC-DC 开关稳压器 PMIC（电源管理集成电路）产品族中的产品是元器件级设备，用于需要稳定 DC 输入电压和/或将其转换为不同幅度的输出电压的应用。这些器件与称为“控制器”PMIC 的类似产品的区别在于集成了主开关元件，设备提供的电力会通过该元件。