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

Número de pieza	FR9889
Descripción	340KHz Synchronous Step-Down DC/DC Converter
Fabricantes	Fiti
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No Preview Available ! 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 0.925V 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 TYPICAL APPLICATION CIRCUIT NAME BST VIN LX GND FB PG SHDN SS PIN 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 PACKAGE SOP-8 (EP) 3 誠信、創新、活力 1 page

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PDF FR9889 Data sheet ( Hoja de datos )