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A8580 - Asynchronous Buck Regulator

Description

Designed to provide the power supply requirements of next generation car audio and infotainment systems, the A8580 provides all the control and protection circuitry to produce a high current regulator with ±1.0% output voltage accuracy.

Features

  • Automotive AEC-Q100 qualified.
  • Withstands surge voltages up to 40 V.
  • Operates as low as 3.4 VIN (typ) with VIN decreasing.
  • Utilizes pulse frequency modulation (PFM) to draw only tens of microamperes from VIN while maintaining keep-alive VOUT.
  • PWM/PFMn mode control input pin.
  • Delivers up to 2.5 A of output current with integrated 110 mΩ high voltage MOSFET.
  • SLEEPn input pin commands ultra-low current shutdown mode.
  • Adjustabl.

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Datasheet preview – A8580

Datasheet Details

Part number A8580
Manufacturer Allegro
File Size 6.27 MB
Description Asynchronous Buck Regulator
Datasheet download datasheet A8580 Datasheet
Additional preview pages of the A8580 datasheet.

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Full PDF Text Transcription

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A8580 Wide Input Voltage, 2.4 MHz, 2.5 A, Asynchronous Buck Regulator with Low-IQ Standby, Sleep Mode, External Synchronization, and NPOR Output FEATURES AND BENEFITS • Automotive AEC-Q100 qualified • Withstands surge voltages up to 40 V • Operates as low as 3.4 VIN (typ) with VIN decreasing • Utilizes pulse frequency modulation (PFM) to draw only tens of microamperes from VIN while maintaining keep-alive VOUT • PWM/PFMn mode control input pin • Delivers up to 2.5 A of output current with integrated 110 mΩ high voltage MOSFET • SLEEPn input pin commands ultra-low current shutdown mode • Adjustable output voltage with ±1.0% accuracy from 0°C to 85°C, ±1.5% from –40°C to 150°C • Programmable switching frequency: 250 kHz to 2.
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