STI3484中文资料中压Buck转换器数据手册Tollsemi规格书

描述 Description

The STI3482 and STI3484 are fully integrated, high–efficiency 2A and 3A synchronous rectified step-down converter. The STI3482 and STI3484 operates at high efficiency over a wide output current load range.This device offers two operation modes, PWM control and PFM Mode switching in light load condition, which allows a high efficiency over the wider range of the load.The STI3482 and STI3484 require a minimum number of readily available standard external components and is available in SOP8 and ESOP8 ROHS compliant package.

特性 Features

. High Efficiency: Up to 93%@5V(2). 500kHz Switching Frequency(2). STI3482: 2.0A Output Current(2). STI3484: 3.0A Output Current(2). No Schottky Diode Required(2). 4.5V to 18V Input Voltage Range(2). 0.923V Feedback Voltage(2). Slope Compensated Current Mode Control for Excellent Line and Load Transient Response(2). Integrated internal compensation(2). Stable with Low ESR Ceramic Output Capacitors(2). Over Current Protection with Hiccup-Mode(2). Input overvoltage protection (OVP)(2). Thermal Shutdown(2). Inrush Current Limit and Soft Start(2). STI3482: SOP8 Package(2). STI3484: ESOP8 Package(2)

应用 Application

. Vehicle USB Power Chargers
. Distributed Power Systems
. Digital Set Top Boxes
. Flat Panel Television and Monitors
. Notebook computer
. Wireless and DSL Modems