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AX3484 - 340kHz Synchronous Rectified Step-Down Converter

General Description

The AX3484 is a monolithic synchronous buck regulator.

The device integrates two 100mΩ MOSFETs, and provides 3A of continuous load current over a wide input voltage of 4.75V to 23V.

Current mode control provides fast transient response and Cycle-by-Cycle current limit.

Key Features

  • - 3A Output Current - Wide 4.75V to 23V Operating Input Range - Integrated 100mΩ Power MOSFET Switches - Output adjust from VFB to 20V - Up to 95% Efficiency - Programmable Soft-Start - Stable with Low ESR Ceramic Output Capacitors VÛmw`R.
  • yÑb€ - Fixed 350KHz Frequency - Cycle-by-Cycle Over Current Protection - Thermal shutdown and short circuit protections w. goftechm  BLOCK.

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Datasheet Details

Part number AX3484
Manufacturer AXElite
File Size 866.33 KB
Description 340kHz Synchronous Rectified Step-Down Converter
Datasheet download datasheet AX3484 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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AX3484 3A, 23V, 340kHz Synchronous Rectified Step-Down Converter  GENERAL DESCRIPTION The AX3484 is a monolithic synchronous buck regulator. The device integrates two 100mΩ MOSFETs, and provides 3A of continuous load current over a wide input voltage of 4.75V to 23V. Current mode control provides fast transient response and Cycle-by-Cycle current limit. An adjustable soft-start prevents inrush current at turn-on, and in shutdown mode the supply current drops to 1μA. This device, available in an 8-pin SOP with exposed pad package, provides a very compact solution with minimal external components.  FEATURES - 3A Output Current - Wide 4.