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FR9723B - 380KHz Asynchronous Step-Down DC/DC Converter

General Description

The FR9723B is a 380KHz step-down DC/DC converter that provides wide 4.75V to 23V input voltage range and 3A continuous load current capability.

Fault protection includes cycle-by-cycle current limit, input UVLO and thermal shutdown.

Key Features

  • Wide Input Voltage from 4.75V to 23V.
  • 3A Output Current.
  • Adjustable Output Voltage from 1.23V to 20V.
  • 100mΩ Integrated Power MOSFET.
  • High Efficiency up to 90%.
  • Fixed 380KHz Switching Frequency.
  • Current Mode Operation.
  • Adjustable Soft-Start.
  • Cycle-by-Cycle Current Limit.

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Datasheet Details

Part number FR9723B
Manufacturer Fiti
File Size 743.16 KB
Description 380KHz Asynchronous Step-Down DC/DC Converter
Datasheet download datasheet FR9723B 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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fitipower integrated technology lnc. FR9723B 23V, 3A, 380KHz Asynchronous Step-Do8w5Tn DC/DC Converter Description The FR9723B is a 380KHz step-down DC/DC converter that provides wide 4.75V to 23V input voltage range and 3A continuous load current capability. Fault protection includes cycle-by-cycle current limit, input UVLO and thermal shutdown. Besides, adjustable soft-start function prevents inrush current at turn-on. This device uses current mode control scheme that provides fast transient response. In shutdown mode, the supply current is about 10μA. The FR9723B is available in an 8-pin SOIC package, which provides a very compact system solution and good thermal conductance. Features ● Wide Input Voltage from 4.75V to 23V ● 3A Output Current ● Adjustable Output Voltage from 1.