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

Description

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

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 600µs Soft-Start PSM (High Efficiency at Light Load) Hiccup Short Circuit Protect.

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Datasheet Details

Part number FR9889
Manufacturer Fiti
File Size 653.94 KB
Description 340KHz Synchronous Step-Down DC/DC Converter
Datasheet download datasheet FR9889 Datasheet

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Full PDF Text Transcription

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FR9889 23V, 3A, 340KHz Synchronous Step-Down DC/DC Converter 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.
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