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XRP7664 - 2A 18V Synchronous Step-Down Converter

Description

The XRP7664 is a synchronous current-mode PWM step down (buck) voltage regulator capable of a continuous output current up to 2Amps.

A wide 4.5V to 18V input voltage range allows for single supply operations from industry standard 5V and 12V power rails.

Features

  • 2A Continuous Output Current.
  • 4.5V to 18V Wide Input Voltage.
  • PWM Current Mode Control  340kHz Constant Operations  Up to 95% Efficiency.
  • Adjustable Output Voltage  0.925V to 16V Range  ±2% Accuracy.
  • Programmable Soft-Start and Enable Function.
  • Built-in Thermal, Over Current, UVLO and Output Over Voltage Protections.
  • Pin/Function Compatible to MP1482.
  • RoHS Compliant, “Green”/Halogen Free 8-Pin SOIC Package.

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Datasheet preview – XRP7664

Datasheet Details

Part number XRP7664
Manufacturer Exar
File Size 944.09 KB
Description 2A 18V Synchronous Step-Down Converter
Datasheet download datasheet XRP7664 Datasheet
Additional preview pages of the XRP7664 datasheet.

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Full PDF Text Transcription

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XRP7664 2A 18V Synchronous Step-Down Converter March 2013 GENERAL DESCRIPTION The XRP7664 is a synchronous current-mode PWM step down (buck) voltage regulator capable of a continuous output current up to 2Amps. A wide 4.5V to 18V input voltage range allows for single supply operations from industry standard 5V and 12V power rails. With a 340kHz constant operating frequency and integrated high and low side 100mΩ/100mΩ MOSFETs, the XRP7664 reduces the overall component count and solution footprint. Current-mode control provides fast transient response and cycle-bycycle current limit. An adjustable soft-start prevents inrush current at turn-on, and in shutdown mode the supply current drops to 0.1µA.
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