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FR9884 - 340KHz Synchronous Step-Down DC/DC Converter

General Description

The FR9884 is a synchronous step-down DC/DC converter that provides wide 4.5V to 18V input voltage range and 3A continuous load current capability.

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

Key Features

  • Wide Input Voltage from 4.5V to 18V.
  • 3A Output Current.
  • Adjustable Output Voltage from 0.925V to 14V.
  • Low Rds(on) Integrated Power MOSFET.
  • High Efficiency up to 93%.
  • Fixed 340KHz Switching Frequency.
  • Current Mode Operation.
  • Adjustable Soft-Start.
  • Cycle-by-Cycle Current Limit.
  • Input Under Voltage Lockout.
  • Over-Temperature Protection With Auto Recovery.
  • 10μA Shutdown Current.
  • Thermal Enhanced SOP-8 (Exposed Pad) Package.
  • RoHS C.

📥 Download Datasheet

Datasheet Details

Part number FR9884
Manufacturer Fiti
File Size 857.68 KB
Description 340KHz Synchronous Step-Down DC/DC Converter
Datasheet download datasheet FR9884 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. FR9884 85T 18V, 3A, 340KHz Synchronous Step-Down DC/DC Converter Description The FR9884 is a synchronous step-down DC/DC converter that provides wide 4.5V to 18V input voltage range and 3A continuous load current capability. Fault protection includes cycle-by-cycle current limit, input UVLO, output over voltage protection 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 FR9884 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.