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