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A8672 - Fixed Frequency High Current Synchronous Buck Regulator

Description

The A8672 is a synchronous buck converter capable of delivering up to 8 A.

The A8672 utilizes valley current mode control, allowing very short on-times to be achieved.

Features

  • High efficiency integrated FETs optimized for lower duty cycle voltage conversion: 27 mΩ high side, 12 mΩ low side.
  • Power input voltage range: 3 to 16 V.
  • Control input voltage range: 4.5 to 16V.
  • Adjustable output voltage, down to 0.6 V.
  • 5 V LDO Regulator.
  • Extremely short minimum controllable on-time; example: allows 12 V conversion to 0.6 V at >1 MHz.
  • Reference accuracy of ±1% throughout temperature range.
  • ¯F¯A¯¯U¯¯L¯¯T¯ a.

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Datasheet preview – A8672

Datasheet Details

Part number A8672
Manufacturer Allegro
File Size 883.20 KB
Description Fixed Frequency High Current Synchronous Buck Regulator
Datasheet download datasheet A8672 Datasheet
Additional preview pages of the A8672 datasheet.

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Full PDF Text Transcription

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A8672 Fixed Frequency High Current Synchronous Buck Regulator with Fault Warnings and Power OK Features and Benefits • High efficiency integrated FETs optimized for lower duty cycle voltage conversion: 27 mΩ high side, 12 mΩ low side • Power input voltage range: 3 to 16 V • Control input voltage range: 4.5 to 16V • Adjustable output voltage, down to 0.6 V • 5 V LDO Regulator • Extremely short minimum controllable on-time; example: allows 12 V conversion to 0.
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