Allegro Microsystems

A8591-1

Topologie: Buck
Eingangsspannung (min.): 4.00 V
Eingangsspannung (max.): 35.00 V
Schaltfrequenz (min.): 300.00 kHz
Schaltfrequenz (max.): 2400.00 kHz
Ausgang 1: 3.30 V / 2.000 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

Merkmale

  • 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

Artikel

  Artikel Nr. SPEC Produktserie L
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
Montageart Muster
74437346033 PDF WE-LHMI SMT Speicherdrossel 3.3 5 13.5 28 30 27 SMT