FR9889 Datasheet (Fiti) - 340KHz Synchronous Step-Down DC/DC Converter

FR9889, 340KHz Synchronous Step-Down DC/DC Converter

SOP8 DESCRIPTION 1 High Side Gate Drive Boost 2 Power Supply Input Pin 3 Power Switching Output 4,9 Ground 5 Voltage Feedback Input 6 Power Good Output 7 Enable Input 8 Soft-Start TYPICAL APPLICATION STB (Set-Top-Box) LCD Displays, TV Distributed Power System Networking, XDSL Modem PACKAG

FR9889 Features

* High Efficiency up to 95% Low Rds(on) Integrated Power MOSFET Internal Compensation Function Internal Power Good Function Wide Input Voltage Range: 4.5V to 23V Adjustable Output Voltage Down to 0.925V 3A Output Current Fixed 340KHz Switching Frequency External Programmable Soft-Start or Internal 600