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FR9885 - Synchronous Step-Down DC/DC Converter

General Description

The FR9885 is a synchronous step-down DC/DC converter that provides wide 4.5V to 18V input voltage range and 2A peak load current capability.

At light load condition, the FR9885 can operate at PSM mode to support high efficiency and reduce power loss.

Key Features

  • Low Rds(on) Integrated Power MOSFET (170mΩ/135mΩ) Internal Compensation Function Wide Input Voltage Range: 4.5V to 18V Adjustable Output Voltage Down to 0.6V 2A Peak Output Current 500kHz Switching Frequency Internal 0.8ms Soft-Start Cycle-by-Cycle Current Limit Hiccup Short Circuit Protection Over-Temperature Protection with Auto Recovery OVP and UVLO SOT-23-6 Package.

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Datasheet Details

Part number FR9885
Manufacturer Fiti
File Size 439.04 KB
Description Synchronous Step-Down DC/DC Converter
Datasheet download datasheet FR9885 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Lily 0755-83234073 159 153 736 32 Q Q 100 754 5980 fitipower integrated technology lnc. FR9885 18V, 2A, 500KHz Synchronous Step-Down DC/DC Converter Description The FR9885 is a synchronous step-down DC/DC converter that provides wide 4.5V to 18V input voltage range and 2A peak load current capability. At light load condition, the FR9885 can operate at PSM mode to support high efficiency and reduce power loss. The FR9885 fault protection includes cycle-by-cycle current limit, UVLO, output overvoltage protection and thermal shutdown.The internal soft-start function prevents inrush current at turn-on. This device uses current mode control scheme which provides fast transient response.