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
Key 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.
Full PDF Text Transcription for FR9889 (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
FR9889. For precise diagrams, tables, and layout, please refer to the original PDF.
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 Interna...
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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.