IC-Hersteller Allegro Microsystems

IC-Hersteller (95)

Allegro Microsystems A8591-1

Details

TopologieAbwärtswandler
Eingangsspannung4-35 V
Schaltfrequenz300-2400 kHz
Ausgang 13.3 V / 2 A

Beschreibung

It is Wide Input Voltage, 2 A BuckRegulator Family with Low-IQ Mode/The A8585 family is designed to provide the power supplyrequirements of next generation car audio and infotainmentsystems. The A8585 family provides all the control andprotection circuitry to produce a hig

Eigenschaften

  • Automotive AEC-Q100 qualified
  • Withstands surge input to 40 VIN for load dump
  • Operates down to 3.4 VIN (typ), 3.6 VIN (max) for idle stop
  • Utilizes pulse-frequency modulation (PFM) for low-IQ mode
  • 10 μA Sleep mode (automatic PWM / Low-IQ PFMmode selection)
  • Fixed output voltage options: 3.3 or 5 V with ±1%accuracy
  • Delivers up to 2 A of output current
  • Integrated 110 mΩ high-side MOSFET
  • Adjustable switching frequency from 300 kHz to 2.4 MHz
  • EMI reduction features:□□Frequency dithering□□Controlled switching node
  • External synchronization capability
  • Maximum duty cycle for low dropout
  • Active low NPOR output with 7.5 ms delay
  • Pre-bias startup capable: VOUT increases monotonically,will not cause a reset

Typische Anwendungen

  • Home audio
  • HVAC
  • Audio systems
  • Network and telecom
  • Industrial
  • Navigation
  • Instrument clusters

Artikeldaten

Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieL
(µH)
IRP,40K
(A)
ISAT1
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
fres
(MHz)
Montageart Muster
74437346033SPEC
8 Dateien WE-LHMI SMT Speicherdrossel 3.3 6.2 8.4 16.6 30 27 SMT
Artikel Nr. Daten­blatt Simu­lation
74437346033SPEC
Muster
Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieL
(µH)
IRP,40K
(A)
ISAT1
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
fres
(MHz)
Montageart Muster