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FR9889

Fiti
Part Number FR9889
Manufacturer Fiti
Description 340KHz Synchronous Step-Down DC/DC Converter
Published Jan 20, 2015
Detailed Description FR9889 23V, 3A, 340KHz Synchronous Step-Down DC/DC Converter FEATURES High Efficiency up to 95% Low Rds(on) Integrated ...
Datasheet PDF File FR9889 PDF File

FR9889
FR9889

Overview
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 I...


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