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FR9618 - 340KHz Synchronous Step-Down DC/DC Converter

Description

The FR9618 is a synchronous step-down DC/DC converter that provides wide 4.5V to 23V input voltage range and 3A continuous load current capability.

The FR9618 fault protection includes cycle-by-cycle current limit, input UVLO, output over voltage protection and thermal shutdown.

Features

  • High Efficiency up to 96%.
  • Low RDS(ON) Integrated Power MOSFET.
  • Internal Compensation Function.
  • Wide Input Voltage Range: 4.5V to 23V.
  • Adjustable Output Voltage Range: 0.925V to 20V.
  • 3A Output Current.
  • 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.

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Datasheet preview – FR9618

Datasheet Details

Part number FR9618
Manufacturer Fiti
File Size 1.04 MB
Description 340KHz Synchronous Step-Down DC/DC Converter
Datasheet download datasheet FR9618 Datasheet
Additional preview pages of the FR9618 datasheet.

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Full PDF Text Transcription

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fitipower integrated technology lnc. FR9618 23V, 3A, 340KHz Synchronous Step-Dow85nT DC/DC Converter Description The FR9618 is a synchronous step-down DC/DC converter that provides wide 4.5V to 23V input voltage range and 3A continuous load current capability. The FR9618 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 which provides fast transient response. Internal Compensation function reduces external compensation components and simplifies the design process. In shutdown mode, the supply current is less than 1μA.
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